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Home My WebLink AboutNC0000396_All Tables_20150823TABLE 1-1 SUMMARY OF REVISED WELL LOCATIONS ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Asheville Regional Office - Asheville Steam Plant General Location on Relocation, Approximate Distance Well/ Justification for Relocation, NCDENR Concurrence/ Groundwater Assessment Addition, and Boring ID Addition, or Deletion Comment Plan or Deletion? Direction of Relocation On access road adjacent to Powell Subsurface and overhead utlities present in the MW-14BR Creek, on north side of Plant Relocation 200' North area. South of Plant/ash basin, east of MW -21D French Broad River and west of I- Relocation 400' Southeast Boring location was moved to I-26 Eastbound Right of Way to facilitate rig access. 26 South of Plant/ash basin, east of Boring location was moved to I-26 Eastbound MW -22 French Broad River and west of I- Relocation 250' East Right of Way to facilitate rig access. 26 South of Plant/ash basin, Duke acquisition of off-site property enabled well MW -23 immediately south of Lake Julian Relocation 150' South installation. No granted access prior. Trails residential orwerty ABMW-02S Addition Well added per NC DENR comment section 7.1.2.2 ABMW-04D Addition Well added per NC DENR comment section 7.1.2.2 ABMW-05S Addition Well added per NC DENR comment section 7.1.2.2 ABMW-05D Addition Well added per NC DENR comment section 7.1.2.2 ABMW-07S Addition Well added per NC DENR comment section 7.1.2.2 Well added due to observation of transition zone material to a greater depth than CB -3R. MW -03D Addition Installation consistant with section 7.1.2.3 of the approved work pland and NC DENR comment section 7.1.2 Well added due to observation of an alluvial saturated zone. Installation consistant with MW -17A Addition section 7.1.2.3 of the approved work pland and NC DENR comment section 7.1.2 Well added due to observation of an alluvial saturated zone. Installation consistant with MW -16A Addition section 7.1.2.3 of the approved work pland and NC DENR comment section 7.1.2 Well added due to observation of an alluvial saturated zone. Installation consistant with MW -15A Addition section 7.1.2.3 of the approved work pland and NC DENR comment section 7.1.2 CB -01D Addition Well added per NC DENR comment section 7.1.2 CB-01BR Addition Well added per NC DENR comment section 7.1.2 CB -08D Addition Well added per NC DENR comment section 7.1.2 CB-08BR Addition Well added per NC DENR comment section 7.1.2 CB-09SL Addition Well added per NC DENR comment section 7.1.2 CB-09BR Addition Well added per NC DENR comment section 7.1.2 GW -01D Addition Well added per NC DENR comment section 7.1.2 GW-01BR Addition Well added per NC DENR comment section 7.1.2 ABMW-02BR Deletion No water bearing zone was identified within the bedrock core ABMW-05 Deletion Saprolite of sufficient thickness and saturation to dicretely monitor was not observed ABMW-06 Deletion No ash present ABMW-08BR Deletion No water bearing zone was identified within the bedrock core A transition zone/PWR of sufficient thickness and MW -02D Deletion saturation to dicretely monitor was not observed MW -05S Deletion Saprolite of sufficient thickness and saturation to dicretely monitor was not observed A transition zone/PWR of sufficient thickness and MW -08D Deletion saturation to dicretely monitor was not observed No water bearing zone was identified within the MW-11BR Deletion bedrock core MW -13S Deletion Saprolite of sufficient thickness and saturation to dicretely monitor was not observed A transition zone/PWR of sufficient thickness and MW -14D Deletion saturation to dicretely monitor was not observed MW -14S Deletion Saprolite of sufficient thickness and saturation to dicretely monitor was not observed MW -15S Deletion Saprolite of sufficient thickness and saturation to dicretely monitor was not observed MW -16S Deletion Saprolite of sufficient thickness and saturation to dicretely monitor was not observed A transition zone/PWR of sufficient thickness and MW -16D Deletion saturation to dicretely monitor was not observed MW -17S Deletion Saprolite of sufficient thickness and saturation to discretely monitor was not observed A transition zone/PWR of sufficient thickness and MW -17D Deletion saturation to discretely monitor was not observed MW-17BR Deletion No water bearing zone was identified within the bedrock core MW -19D Deletion No transition zone present. Alluvium 0-7' bgs, bedrock encountered at 7' b s. MW-21BR Deletion No water bearing zone was identified within the bedrock core MW -22S Deletion Saprolite of sufficient thickness and saturation to discretely monitor was not observed A transition zone/PWR of sufficient thickness and MW -24D Deletion saturation to discretely monitor was not observed Prepared by: BDW/SRW Checked by: TDP P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 1-1 Summary of Revised Well Locations Page 1 of 1 TABLE 2-1 NPDES GROUNDWATER MONITORING REQUIREMENTS ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Well Nomenclature Parameter Description Frequency Monitoring Antimony Chromium Nickel Thallium Wells GW -1, Arsenic Copper Nitrate Water Level CB -1, CB -2, Barium Iron pH Zinc April, July, CB -3R, CB -4, CB -4B, CB -5, Boron Lead Selenium November CB -6, CB -7, Cadmium Manganese Sulfate CB -8, CB -9 Chloride Mercury TDS Prepared by: RBI Checked by: TDP Notes: Constituent list adjusted in June 2015 to include select groundwater assessment parameters. P:\Duke Energy Progress. 1026 \ 102. Asheville Ash Basin GW Assessment Plan \ 1.11 CSA Reporting\ tables \ TABLE 2-1 NPDES Groundwater Monitoring.docx TABLE 2-2 COMPLIANCE WELL 15A NCAC 2L STANDARD EXCEEDANCES ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Analytical Parameter pH Arsenic Boron Chloride Chromium Iron Lead Manganese Nitrate (as N) Nitrate Selenium Sulfate Thallium Total Dissolved Solids Vanadium Reporting Units S.U. ug/1 ug/I mg/I ug/l LCobal]t ug/I ug/I ug/I mg-N/L mg/I ug/I mg/l ug/l mg/1 ug/I SSA NCAC 02L Standard 6.5-8.5 10 700 250 10 300 15 50 10 10 20 250 0.2 * 500 0.3 Sample ID Sample Collection Date Analytical Results CB -01 11/17/2010 4.6 BE BE BE BE BE 1160 BE BE BE BE BE BE BE BE BE CB -01 04/12/2011 4.4 BE BE BE BE BE 589 BE BE BE BE BE BE BE BE BE CB -01 07/19/2011 4.8 BE BE BE 81.5 BE 1330 BE BE BE BE BE BE BE BE BE CB -01 11/09/2011 5.4 BE BE BE BE BE 17800 BE 293 BE BE BE BE BE BE BE CB -01 04/10/2012 4.8 BE BE BE BE BE BE BE BE BE BE BE BE BE BE BE CB -01 07/16/2012 4.6 BE BE BE BE BE BE BE BE BE BE BE BE BE BE BE CB -01 11/15/2012 4.9 BE BE BE BE BE BE BE BE BE BE BE BE BE BE BE CB -01 04/03/2013 4.5 BE BE BE 15 BE BE BE BE BE BE BE BE BE BE BE CB -01 07/01/2013 5.3 BE BE BE BE BE 2870 BE 67 BE BE BE BE BE BE BE CB -01 11/05/2013 4.5 BE BE BE BE BE 664 BE BE BE BE BE BE BE BE BE CB -01 04/16/2014 4.4 BE BE BE BE BE BE BE BE BE BE BE BE BE BE BE CB -01 07/09/2014 4.6 BE BE BE BE BE BE BE BE BE BE BE BE BE BE BE CB -01 11/03/2014 4.5 BE BE BE BE BE BE BE BE BE BE BE BE BE BE BE CB -01 04/07/2015 4.9 BE BE BE BE 1.94 BE BE BE BE BE BE BE BE BE BE CB -01 07/06/2015 4.7 BE BE BE BE 1.95 BE BE BE BE BE BE BE BE BE BE CB -02 11/17/2010 5.3 BE BE BE BE BE 705 BE 2570 BE BE BE BE BE BE BE CB -02 04/12/2011 5.3 BE BE BE BE BE BE BE 2630 BE BE BE BE BE BE BE CB -02 07/15/2011 5.3 BE BE BE BE BE BE BE 2580 BE BE BE BE BE BE BE CB -02 11/09/2011 S.S BE BE BE BE BE BE BE 2690 BE BE BE BE BE BE BE CB -02 04/10/2012 5.2 BE BE BE BE BE BE BE 2560 BE BE BE BE BE BE BE CB -02 DUP 04/10/2012 5.2 BE BE BE BE BE BE BE 2540 BE BE BE BE BE BE BE CB -02 07/16/2012 5.3 BE BE BE BE BE BE BE 2660 BE BE BE BE BE BE BE CB -02 11/15/2012 5.3 BE BE BE BE BE BE BE 2580 BE BE BE BE 0.21 BE BE CB -02 04/03/2013 5.3 BE BE BE BE BE BE BE 2890 BE BE BE BE BE BE BE CB -02 07/01/2013 6.4 BE BE BE BE BE BE BE 2900 BE BE BE BE BE BE BE CB -02 DUP 07/01/2013 6.4 BE BE BE BE BE BE BE 2910 BE BE BE BE BE BE BE CB -02 11/06/2013 5.1 BE BE BE BE BE BE BE 3030 BE BE BE BE BE BE BE CB -02 04/16/2014 5.2 BE BE BE BE BE BE BE 2950 BE BE BE BE BE BE BE CB -02 07/09/2014 5.2 BE BE BE BE BE 335 BE 3030 BE BE BE BE BE BE BE CB -02 11/03/2014 5.2 BE BE BE BE BE BE BE 2920 BE BE BE BE BE BE BE CB -02 04/07/2015 5.4 BE BE BE BE 4.26 319 BE 3030 BE BE BE BE BE BE BE CB -02 07/07/2015 5.3 BE BE BE BE 4.17 BE BE 3000 BE BE BE BE BE BE BE CB -03 11/18/2010 BE BE BE BE BE BE 3490 BE 159 BE BE BE BE 0.31 BE BE CB -03 04/12/2011 5.7 BE BE BE BE BE 1260 BE 142 BE BE BE BE 0.41 BE BE CB -03 07/14/2011 5.7 BE BE BE BE BE 879 BE 146 BE BE BE BE 0.4 BE BE CB -03 11/09/2011 5.9 BE BE BE BE BE 796 BE 155 BE BE BE BE 0.38 BE BE CB -03 04/10/2012 5.8 BE BE BE BE BE 774 BE 179 BE BE BE BE 0.48 BE BE CB -03 07/16/2012 5.8 BE 895 BE BE BE 384 BE 178 BE BE BE BE 0.45 BE BE CB -03 DUP 07/16/2012 5.8 BE 900 BE BE BE 331 BE 178 BE BE BE BE 0.43 BE BE CB -03 05/19/2015 5.8 BE 947 BE BE 1.88 844 BE 331 BE BE BE BE 0.398 BE 0.675 CB -03R 11/14/2012 5.2 BE 1290 BE BE BE BE BE 366 BE BE BE BE 0.32 BE BE CB -03R 04/03/2013 5.4 BE 704 BE BE BE 10100 BE 231 BE BE BE BE BE BE BE CB -03R 07/01/2013 5.4 BE 858 BE BE BE 4060 BE 296 BE BE BE BE 0.239 BE BE CB -03R 11/06/2013 5.5 BE BE BE BE BE 17700 BE 188 BE BE BE BE BE BE BE CB -03R 04/16/2014 5.3 BE 702 BE BE BE 4060 BE 512 BE BE BE BE BE BE BE CB -03R 07/09/2014 5.2 BE 805 BE BE BE 766 BE 1110 BE 21 BE BE 0.216 BE BE CB -03R 07/23/2014 4.9 BE 811 BE BE 28 766 BE 1210 BE 92 BE BE 0.255 BE BE CB -03R 11/03/2014 5.5 BE BE BE 13 BE 4570 BE 593 BE BE BE BE BE BE BE CB -03R 04/08/2015 5 BE BE BE 20 17.1 6240 BE 510 BE BE BE BE BE BE BE CB -03R 07/08/2015 4.5 BE 720 BE BE 29.9 2980 BE 754 23 110 BE BE 0.257 BE 2.7 CB -04 11/18/2010 BE BE BE BE BE BE BE BE 368 BE BE BE BE BE BE BE CB -04 04/12/2011 5.1 BE BE BE BE BE BE BE 381 BE BE BE BE BE BE BE CB -04 07/14/2011 5 BE BE BE BE BE BE BE 411 BE BE BE BE BE BE BE CB -04 11/08/2011 5.1 BE BE BE BE BE BE BE 465 BE BE BE BE BE BE BE CB -04 DUP 11/08/2011 5.1 BE BE BE BE BE BE BE 469 BE BE BE BE BE BE BE CB -04 04/10/2012 5.1 BE BE BE BE BE BE BE 414 BE BE BE BE BE BE BE CB -04 07/16/2012 5.1 BE BE BE BE BE BE BE 475 BE BE BE BE BE BE BE CB -04 11/15/2012 5.2 BE BE BE BE BE BE BE 483 BE BE BE BE BE BE BE CB -04 04/03/2013 5 BE BE BE BE BE BE BE 464 BE BE BE BE BE BE BE CB -04 07/01/2013 5.1 BE BE BE BE BE BE BE 393 BE BE BE BE BE BE BE CB -04 11/06/2013 5 BE BE BE BE BE BE BE 591 BE BE BE BE BE BE BE CB -04 04/16/2014 5.2 BE BE BE BE BE BE BE 597 BE BE BE BE BE BE BE CB -04 DUP 04/16/2014 5.2 BE BE BE BE BE BE BE 593 BE BE BE BE BE BE BE CB -04 07/09/2014 5.1 BE BE BE BE BE BE BE 677 BE BE BE BE BE BE BE CB -04 11/03/2014 5.1 BE BE BE BE BE BE BE 809 BE BE BE BE BE BE BE CB -04 04/08/2015 5.1 BE BE BE BE 1.63 BE BE 747 BE BE BE BE BE BE BE CB -04 07/08/2015 5.2 BE BE BE BE 5.41 3340 BE 920 BE 16 BE BE BE BE 4.68 CB -04B 11/18/2010 BE BE BE BE BE BE 429 BE BE BE BE BE BE BE BE BE CB -04B 04/10/2012 BE BE BE BE BE BE 338 BE BE BE BE BE BE BE BE BE CB -04B 07/16/2012 BE BE BE BE BE BE 643 BE BE BE BE BE BE BE BE BE CB -04B 11/15/2012 BE BE BE BE BE BE 569 BE BE BE BE BE BE BE BE BE CB -04B DUP 11/15/2012 BE BE BE BE BE BE 498 BE BE BE BE BE BE BE BE BE CB -04B 04/03/2013 BE BE BE BE BE BE 483 BE BE BE BE BE BE BE BE BE CB -04B 07/01/2013 6.2 BE BE BE BE BE 335 BE BE BE BE BE BE BE BE BE CB -04B 11/06/2013 BE BE BE BE BE BE 398 BE BE BE BE BE BE BE BE BE CB -04B 04/16/2014 BE 10.2 BE BE BE BE 529 BE BE BE BE BE BE BE BE BE CB -04B 04/08/2015 BE BE BE BE BE BE 625 BE BE BE BE BE BE BE BE BE CB -04B 07/07/2015 BE BE BE BE BE BE 315 BE BE BE BE BE BE BE BE 0.699 CB -05 11/18/2010 BE BE BE BE BE BE 24100 BE 415 BE BE BE BE BE BE BE CB -05 04/12/2011 5.8 BE BE BE BE BE 22700 BE 424 BE BE BE BE BE BE BE CB -05 07/14/2011 5.8 BE BE BE BE BE 23600 BE 397 BE BE BE BE BE BE BE CB -05 11/08/2011 5.8 BE BE BE BE BE 17400 BE 395 BE BE BE BE BE BE BE CB -05 04/11/2012 5.9 BE BE BE BE BE 19300 BE 391 BE BE BE BE BE BE BE CB -05 07/17/2012 5.9 BE BE BE BE BE 20200 BE 329 BE BE BE BE BE BE BE CB -05 11/16/2012 6 BE BE BE BE BE 13800 BE 295 BE BE BE BE BE BE BE CB -05 04/04/2013 5.8 BE BE BE BE BE 13400 BE 283 BE BE BE BE BE BE BE CB -05 07/02/2013 5.6 BE BE BE BE BE 18500 BE 341 BE BE BE BE BE BE BE CB -05 11/06/2013 5.9 BE BE BE BE BE 20400 BE 382 BE BE BE BE BE BE BE CB -05 04/17/2014 6 BE BE BE BE BE 21300 BE 466 BE BE BE BE BE BE BE CB -05 07/10/2014 6.1 BE BE BE BE BE 27400 BE 438 BE BE BE BE BE BE BE CB -05 07/24/2014 5.9 BE BE BE BE BE 1 242001 BE 434 BEBE BE BE BE BE BE CB -05 11/04/2014 5.9 BE BE BE I BE I BE 1 247001 BE 1 476 BE BE BE BE BE BE BE P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 2-2 Compliance Well 2L Exceedances Page 1 of 2 TABLE 2-2 COMPLIANCE WELL 15A NCAC 2L STANDARD EXCEEDANCES ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Analytical Parameter pH Arsenic Boron Chloride Chromium Iron Lead Manganese Nitrate (as N) Nitrate Selenium Sulfate Thallium Total Dissolved Solids Vanadium Reporting Units S.U. ug/1 ug/I mg/I ug/l LCobal]t ug/I ug/I ug/I mg-N/L mg/I ug/I mg/l ug/l mg/1 ug/I SSA NCAC 02L Standard 6.5-8.5 10 700 250 10 300 15 50 10 10 20 250 0.2 * 500 0.3 Sample ID Sample Collection Date Analytical Results CB -05 04/06/2015 BE BE BE BE BE BE 19600 BE 594 BE BE BE BE 0.239 BE BE CB -05 07/09/2015 6 BE BE BE BE BE 25400 BE 488 BE BE BE BE BE BE 0.855 CB -06 11/18/2010 BE BE 918 BE BE BE 24600 BE 3430 BE BE BE 378 BE 642 BE CB -06 04/12/2011 5.4 BE 758 BE BE BE 32700 BE 5060 BE BE BE 715 BE 1070 BE CB -06 DUP 04/12/2011 5.4 BE 706 BE BE BE 32900 BE 5080 BE BE BE 694 BE 1050 BE CB -06 07/14/2011 5.6 BE 918 BE BE BE 37600 BE 4720 BE BE BE 428 BE 789 BE CB -06 11/08/2011 5.5 BE 985 BE BE BE 28300 BE 7080 BE BE BE 353 BE 686 BE CB -06 04/10/2012 5.6 BE 758 BE BE BE 17500 BE 4250 BE BE BE 304 BE 621 BE CB -06 07/17/2012 5.7 BE 759 BE BE BE 10400 BE 2050 BE BE BE BE BE BE BE CB -06 11/16/2012 5.2 BE 702 BE BE BE 3410 BE 3060 BE BE BE BE BE BE BE CB -06 04/04/2013 5.8 BE BE BE BE BE 7720 BE 1660 BE BE BE BE BE BE BE CB -06 07/02/2013 5.5 BE 865 BE BE BE 7250 BE 1500 BE BE BE BE BE BE BE CB -06 11/06/2013 6 BE 781 BE BE BE 5610 BE 1630 BE BE BE BE BE BE BE CB -06 04/17/2014 6 BE BE BE BE BE 15400 BE 2690 BE BE BE BE BE BE BE CB -06 07/10/2014 5.9 BE 827 BE BE BE 18100 BE 2620 BE BE BE BE BE BE BE CB -06 07/24/2014 5.9 BE 830 BE BE BE 17800 BE 2640 BE BE BE BE BE BE BE CB -06 11/04/2014 5.9 BE 806 BE BE BE 14600 BE 3010 BE BE BE BE BE BE BE CB -06 DUP 11/04/2014 5.9 BE 808 BE BE BE 16000 BE 3110 BE BE BE BE BE BE BE CB -06 04/06/2015 6 BE BE BE BE 1.42 14600 BE 3330 BE BE BE BE BE BE BE CB -06 07/08/2015 5.9 BE 807 BE BE 2.21 22000 BE 3950 BE BE BE BE BE 520 BE CB -07 11/18/2010 BE BE BE BE BE BE 342 BE 236 BE BE BE BE BE BE BE CB -07 04/12/2011 5.6 BE BE BE BE BE BE BE BE BE BE BE BE BE BE BE CB -07 07/14/2011 5.4 BE BE BE BE BE BE BE BE BE BE BE BE BE BE BE CB -07 DUP 07/14/2011 5.4 BE BE BE BE BE BE BE BE BE BE BE BE BE BE BE CB -07 11/08/2011 5.5 BE BE BE BE BE BE BE 95.5 BE BE BE BE BE BE BE CB -07 04/10/2012 5.6 BE BE BE BE BE BE BE BE BE BE BE BE BE BE BE CB -07 07/17/2012 5.4 BE BE BE BE BE BE BE 130 BE BE BE BE BE BE BE CB -07 11/16/2012 5.8 BE BE BE BE BE BE BE BE BE BE BE BE BE BE BE CB -07 04/04/2013 5.5 BE BE BE BE BE BE BE BE BE BE BE BE BE BE BE CB -07 07/02/2013 5.5 BE BE BE BE BE BE BE BE BE BE BE BE BE BE BE CB -07 11/06/2013 5.7 BE BE BE BE BE 816 BE BE BE BE BE BE BE BE BE CB -07 04/17/2014 5.8 BE BE BE BE BE BE BE BE BE BE BE BE BE BE BE CB -07 07/10/2014 5.8 BE BE BE BE BE BE BE BE BE BE BE BE BE BE BE CB -07 11/04/2014 5.8 BE BE BE BE BE BE BE BE BE BE BE BE BE BE BE CB -07 04/06/2015 5.9 BE BE BE BE BE BE BE BE BE BE 21.3 BE BE BE BE CB -07 07/08/2015 5.8 BE BE BE BE BE BE BE BE BE BE BE BE BE BE 0.574 CB -08 11/18/2010 BE BE 972 299 BE BE BE BE 579 BE BE 25 BE BE 645 BE CB -08 04/12/2011 5 BE 1110 319 11 BE 815 BE 683 BE BE 24.2 BE BE 617 BE CB -08 07/15/2011 5.1 BE 1060 271 30.8 BE 370 BE 696 BE BE 21.2 BE BE 700 BE CB -08 11/08/2011 5.1 BE 1360 295 BE BE BE BE 786 BE BE 25.1 BE BE 764 BE CB -08 04/11/2012 5.1 BE 1080 BE BE BE BE BE 709 BE BE BE BE BE 581 BE CB -08 07/17/2012 5 BE 841 BE BE BE BE BE 552 BE BE BE BE BE BE BE CB -08 11/15/2012 5 BE 1140 BE BE BE BE BE 652 BE BE BE BE BE 516 BE CB -08 04/04/2013 5 BE 1090 BE BE BE BE BE 679 BE BE BE BE BE 730 BE CB -08 DUP 04/04/2013 5 BE 1110 BE BE BE BE BE 695 BE BE BE BE BE 740 BE CB -08 07/02/2013 5.5 BE 1060 BE BE BE BE BE 647 BE BE BE BE BE 600 BE CB -08 11/06/2013 5.1 BE 1230 BE BE BE BE BE 764 BE BE BE BE BE BE BE CB -08 DUP 11/06/2013 5.1 BE 1230 BE BE BE BE BE 765 BE BE BE BE BE BE BE CB -08 04/17/2014 5.2 BE 1570 BE BE BE BE BE 857 BE BE BE BE BE 610 BE CB -08 07/10/2014 5 BE 1700 BE BE BE BE BE 904 BE BE BE BE BE 820 BE CB -08 DUP 07/10/2014 5 BE 1670 BE BE BE BE BE 889 BE BE BE BE BE 820 BE CB -08 11/03/2014 5.1 BE 1860 BE BE BE BE BE 968 BE BE 20.3 BE BE 750 BE CB -08 04/07/2015 5.1 BE 2350 BE BE 2.54 BE BE 1120 BE BE BE BE BE 710 BE CB -08 DUP 04/07/2015 5.1 BE 2330 BE BE 2.76 BE BE 1110 BE BE 20.1 BE BE 730 BE CB -08 07/06/2015 5.1 BE 2310 BE BE 2.68 BE BE 1080 BE BE BE BE BE 840 BE CB -08 DUP 07/06/2015 5.1 BE 2320 BE BE 2.71 BE BE 1080 BE BE BE BE BE 860 BE CB -09 11/15/2012 5 BE BE BE BE BE 2880 BE 105 BE BE BE BE BE BE BE CB -09 04/03/2013 4.9 BE BE BE BE BE 370 BE 67 BE BE BE BE BE BE BE CB -09 07/01/2013 5.3 BE BE BE BE BE 2080 BE 92 BE BE BE BE BE BE BE CB -09 11/05/2013 4.7 BE BE BE BE BE 883 BE 60 BE BE BE BE BE BE BE CB -09 04/16/2014 4.8 BE BE BE BE BE BE BE BE BE BE BE BE BE BE BE CB -09 07/09/2014 4.8 BE BE BE BE BE 531 BE BE BE BE BE BE BE BE BE CB -09 11/03/2014 4.9 BE BE BE BE BE 341 BE BE BE BE BE BE BE BE BE CB -09 04/07/2015 5 BE BE BE BE 1.36 653 BE BE BE BE BE BE BE BE BE CB -09 07/06/2015 4.9 BE BE BE BE BE BE BE BE BE BE BE BE BE BE BE GW -01 12/14/2007 4.5 BE BE BE 35.7 BE 56800 29.4 BE BE BE BE BE BE BE BE GW -01 04/21/2008 3.8 BE BE BE BE BE 2880 BE 189 BE BE BE BE BE BE BE GW -01 10/13/2008 4.4 BE BE BE BE BE BE BE 74.8 BE BE BE BE BE BE BE GW -01 04/14/2009 4.3 BE BE BE BE BE 575 BE 98.5 BE BE BE BE BE BE BE GW -01 10/16/2009 4.5 BE BE BE BE BE BE BE 100 BE BE BE BE BE BE BE GW -01 05/11/2010 3.1 BE BE BE BE BE 459 BE 90.3 BE BE BE BE BE BE BE GW -01 11/17/2010 4.5 BE BE BE BE BE BE BE 81 BE BE BE BE BE BE BE GW -01 04/12/2011 4.3 BE BE BE BE BE BE BE 138 BE 10.9 BE BE BE BE BE GW -01 07/14/2011 4.3 BE BE BE BE BE BE BE 134 BE BE BE BE BE BE BE GW -01 11/09/2011 4.6 BE BE BE BE BE BE BE 205 BE BE BE BE BE BE BE GW -01 04/10/2012 4.6 BE BE BE BE BE BE BE 341 BE BE BE BE BE BE BE GW -01 07/16/2012 4.4 BE BE BE BE BE BE BE 310 BE BE BE BE BE BE BE GW -01 11/15/2012 4.6 BE BE BE BE BE 480 BE 293 BE BE BE BE BE BE BE GW -01 04/03/2013 4.5 BE BE BE BE BE BE BE 442 BE BE BE BE BE BE BE GW -01 07/01/2013 4.8 BE BE BE BE BE BE BE 612 BE BE BE BE BE BE BE GW -01 11/05/2013 4.5 BE BE BE BE BE BE BE 737 BE BE BE BE BE BE BE GW -01 04/17/2014 4.6 BE BE BE BE BE BE BE 692 BE BE BE BE BE BE BE GW -01 07/10/2014 4.4 BE BE BE BE BE BE BE 683 BE BE BE BE BE BE BE GW -01 11/04/2014 4.7 j BE j BE j BE j BE j BE 1 568 1 BE 1 534 j BE I BE I BE I BE I BE j BE BE GW -01 04/07/2015 4.8 BE BE BE BE 4.71 BE BE 507 BE BE BE BE BE BE BE GW -01 07/06/2015 4.8 BE BE BE BE 4.76 BE BE 551 BE 13 BE BE BE BE BE Prepared by: BER/SRW Checked by: KLS Notes: 0 - Bold highlighted concentration indicates exceedance of the 15A NCAC 02L Standard, Appendix 2, April 1, 2013. ug/I = microgram per liter mg/I = milligrams per liter S.U. = Standard Units mg-N/L = miligram nitrogen per liter * - Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April, 1, 2013. DUP = Duplicate BE = indicates concentration was below the 15A NCAC 02L Standard, April 1, 2013. P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 2-2 Compliance Well 2L Exceedances Page 2 of 2 TABLE 3-1 ASH, ROCK, AND SOIL COMPOSITION Notes: BDL- Below Detection Limit *Source for most fly ash data is EPRI CP -INFO Database3. Beryllium„ Thallium, Mercury (bottom ash only) and Boron (bottom ash only) are from the EPRI PISCES Database **Source for rock data is US Geological Survey National Geochemical database.' ***Source for most soils data is Shacklette and Boerngen (1984)8; Cadmium and Thallium data are from Smith et al (2005).9 mg/kg = miligram per kilogram Table was obtained from the EPRI Technical update- Coal Combustion Products- Environmental Issue, Coal Ash: Characteristics, management, and Environmental Issues, Table 2, pg 5, EPRI, 2009. P: Duke Energy Progress.1026 102. Asheville Ash Basin GW Assessment Plan 1.11 CSA Reporting tables Table 3-1 Ash, Rock, and Soil Composition Page 1 of 1 Fly Ash* Bottom Ash* Rock** Soil*** Aluminum, mg/kg 70,000 - 140,000 59,000 - 130,000 9,800 - 96,000 15,000 - 100,000 Calcium, mg/kg 7,400 - 150,00 5,700 - 150,000 6,000 - 83,000 1,500 - 62,000 Iron, mg/kg 34,000 - 130,000 40,000 - 160,000 8,800 - 95,000 7,000- 50,000 Silicon, mg/kg 160,000- 270,000 160,000 - 280,000 57,000 - 380,000 230,000 - 390,000 Magnesium, mg/kg 3,900 - 23,000 3,400 - 17,000 700 - 56,000 1,000 - 15,000 Potassium, mg/kg 6,200 - 21,000 4,600 - 18,000 4,000 - 45,000 4,500 - 25,000 Sodium, mg/kg 1,700 - 17,000 1,600 - 11,000 900 - 34,000 1,000 - 20,000 Sulfur, mg/kg 1,900 - 34,000 BDL - 15,000 200 - 42,000 840- 1,500 Titanium, mg/kg 4,300 - 9,000 4,100 - 7,200 200- 5,400 1,000 - 5,000 Antimony, mg/kg BDL - 16 All BDL 0.08 - 1.8 BDL - 1.3 Arsenic, mg/kg 22 - 260 2.6 - 21 0.50 - 14 2.0- 12 Barium, mg/kg 380 - 5,100 380 - 3,600 67 - 1,400 200- 1,000 Beryllium, mg/kg 2.2-26 0.21 - 14 0.10 -4.4 BDL - 2.0 Boron, mg/kg 120 - 1,000 BDL - 335 0.2-220 BDL - 70 Cadmium, mg/kg BDL - 3.7 All BDL 0.5 - 3.6 BDL - 0.5 Chromium, mg/kg 27 - 300 51 - 1,100 1.9-310 15 - 100 Copper, mg/kg 62 - 220 39 - 120 10- 120 5.0 - 50 Lead, mg/kg 21 - 230 8.1 - 53 3.8-44 BDL - 30 Manganese, mg/kg 91 - 700 85 -890 175- 1,400 100- 1,000 Mercury, mg/kg 0.01 - 0.51 BDL - 0.07 0.1 -2.0 0.02-0.19 Molybdenum, mg/kg 9.0-60 3.8 - 27 1.0- 16 All BDL Nickel, mg/kg 47 - 230 39 - 440 2.0 - 220 5.0 - 30 Selenium, mg/kg 1.8- 18 BDL - 4.2 0.60 -4.9 BDL - 0.75 Strontium, mg/kg 270 - 3,100 270 - 2,000 61 -890 20- 500 Thallium, mg/kg BDL - 45 All BDL 0.1 - 1.8 0.20-0.70 Uranium, mg/kg BDL - 19 BDL - 16 0.84-43 1.2 - 3.9 Vanadium, mg/kg BDL - 360 BDL - 250 19-330 20 - 150 Zinc, mg/kg 63 - 680 16 - 370 25 - 140 22 - 99 Notes: BDL- Below Detection Limit *Source for most fly ash data is EPRI CP -INFO Database3. Beryllium„ Thallium, Mercury (bottom ash only) and Boron (bottom ash only) are from the EPRI PISCES Database **Source for rock data is US Geological Survey National Geochemical database.' ***Source for most soils data is Shacklette and Boerngen (1984)8; Cadmium and Thallium data are from Smith et al (2005).9 mg/kg = miligram per kilogram Table was obtained from the EPRI Technical update- Coal Combustion Products- Environmental Issue, Coal Ash: Characteristics, management, and Environmental Issues, Table 2, pg 5, EPRI, 2009. P: Duke Energy Progress.1026 102. Asheville Ash Basin GW Assessment Plan 1.11 CSA Reporting tables Table 3-1 Ash, Rock, and Soil Composition Page 1 of 1 TABLE 6-1 WELL CONSTRUCTION DATA ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Identification Date Installed Hydrostratigraphic Unit Material Diameter Northing Easting Total Well Depth (Feet BGS) Screened Interval (Feet BGS) Measuring Point TOC (Feet MSL) Ground Surface (Feet, MSL) Measured Well Depth (Feet TOC) Measured Depth to Water Feet TOC Water Level (Feet, MSL) ABMW-02 3/11/2015 Ash Pore Water PVC 2 644193.446 944173.886 30 25 30 2150.30 2147.48 32.5 27.11 2123.19 ABMW-02S 3/10/2015 Sa rolite PVC 2 644197.299 944173.307 45 35 45 2150.29 2147.43 48.55 25.38 2124.91 ABMW-04 3/23/201 Ash Pore Water PVC 2 643664.02 944356.036 55 50 55 2156.41 2153.10 59 37.50 2118.91 ABMW-04BR 3/23/2015 Bedrock PVC 2 643658.2 944364.242 81 76 81 2156.41 2153.20 85.1 37.36 2119.05 ABMW-04D 3/23/2015 Transition Zone PVC 2 643658.738 944355.794 66.5 61.5 66.5 2156.43 2153.23 70.5 37.69 2118.74 ABMW-05BR 4/2/2015 Bedrock PVC 2 644066.825 945458.711 77 72 77 2137.68 2134.52 80.1 24.53 2113.15 ABMW-05D 4/2/2015 Transition Zone PVC 2 644060.609 945458.767 40 30 40 2137.51 2134.36 43.06 20.45 2117.06 ABMW-05S 3/30/2015 Sa rolite PVC 2 644055.808 945458.926 27 22 27 2137.21 2134.28 29.97 18.94 2118.27 ABMW-06BR 3/25/201 Bedrock PVC 2 643639.995 946150.286 27 22 27 2151.50 2149.31 32.92 30.62 2120.88 ABMW-07 4/9/2015 Ash Pore Water PVC 2 642759.518 945404.438 12 7 12 2144.62 2141.64 15.82 15.51 2129.11 ABMW-07BR 4/9/2015 Bedrock PVC 2 642759.222 945399.069 57 47 57 2144.57 2141.64 61.28 51.67 2092.90 ABMW-07S 4/9/2015 Sa rolite PVC 2 642758.18 945393.851 31 21 31 2144.66 2141.67 34.1 27.53 2117.13 ABMW-08 4/28/2015 Ash Pore Water PVC 2 642779.646 946158.894 30 20 1 30 2165.40 2162.91 33.32 15.02 2150.38 AMW-1B 6/24/2014 Bedrock PVC 2 641961.0498 944768.2511 64 54 64 2083.58 2080.53 NM 41.66 2041.92 AMW-2A 6/26/201 Transition Zone PVC 2 642100.6435 945131.5577 30 20 30 2107.93 2104.95 NM 22.64 2085.29 AMW-2B 6/26/2014 Bedrock open borehole 6 642095.0435 945124.9565 94 NA NA 2107.45 2104.09 NM 34.94 2072.51 AMW-3A 7/7/2014 Sa rolite PVC 2 641987.4145 948032.1855 72 62 72 2173.37 2169.87 NM 8.63 2164.74 AMW-3B 7/7/2014 Bedrock PVC 2 641985.9787 948035.6561 98 88 98 2173.00 2169.62 NM 8.65 2164.35 APD -1 unknown Sa rolite PVC 2 643664.181 943691.705 NM NA NA 2060.22 NA NM NM NM APD -7 unknown Sa rolite PVC 2 644738.779 943971.131 NM NA NA 2157.01 NA 37.75 25.73 2131.28 APZ-30 6/20/201 Bedrock open borehole 6 642200.8 944983.63 218 NA NA 2103.50 2100.31 NM 20.05 2083.45 B-1 6/20/2014 NA NA NA 644207.664 943620.697 NM NM NM 2126.64 2123.73 48.66 22.80 2103.84 B -1-A 6/20/2014 NA NA NA 644209.915 943618.451 NM NM NM 2126.67 2123.36 30.45 33.55 2093.12 B-2 6/20/2014 NA NA NA 644385.422 943539.606 NM NM NM 2126.40 2123.67 41.6 30.10 2096.30 CB-01BR 4/12/2015 Bedrock PVC 2 643309.762 946467.632 85 75 85 2197.18 2197.18 89.9 38.30 2158.88 CB -01D 4/13/2015 Transition Zone PVC 2 643314.249 946470.176 57 47 57 2197.21 2197.21 59.2 38.20 2159.01 CB-08BR 4/23/201 Bedrock PVC 2 645127.296 943045.093 95 85 95 2139.92 2139.92 99.3 48.58 2091.34 CB -08D 4/22/2015 Transition Zone PVC 2 645122.331 943047.278 36 31 36 2140.52 2140.52 39.43 NM NM CB-09BR 4/21/2015 Bedrock PVC 2 645585.6514 944225.4181 93 83 93 2181.11 2178.15 97.85 48.50 2132.61 CB-09SL 4/14/2015 Sa rolite PVC 2 645595.2507 944227.571 74 69 74 2181.42 2178.17 78.1 35.95 2145.47 CB -1 7/13/2010 Sa rolite PVC 2 643345.477 946546.0126 59 44 59 2212.91 2210.41 62.02 49.01 2163.90 CB -2 7/14/2010 Sa rolite PVC 2 642685.1591 945930.7673 28 12 27 2167.79 2167.79 30.25 23.90 2143.89 CB -3 8/16/201 Transition Zone PVC 2 642516.48 945138.56 35 25 35 2133.23 2130.55 NM NM NM CB -3R 10/8/2012 Transition Zone PVC 2 642444.2763 945214.0457 35 25 35 2138.97 2135.83 38.59 35.08 2103.89 CB -4 7/13/2010 Sa rolite PVC 2 642173.37 944539.22 20 10 20 2067.24 2064.77 22.77 20.14 2047.10 CB -4B 8/17/2010 Bedrock PVC 2 642177.8233 944537.2873 39 28 38 2066.34 2064.04 41.22 24.71 2041.63 CB -5 7/12/2010 Alluvial PVC 2 641932.394 944098.641 7 2 7 2040.49 2037.86 9.27 4.44 2036.05 CB -6 7/12/2010 Alluvial PVC 2 643018.5346 943602.5124 6.5 1.5 6.5 2035.48 2032.46 9.73 4.28 2031.20 CB -7 7/12/201 Alluvial PVC 2 643584.343 943192.079 9 4 1 9 2034.72 2032.00 11.49 8.30 2026.42 CB -8 8/17/2010 Bedrock PVC 2 645101.5645 943051.2785 57 47 57 2145.19 2142.49 60.9 49.25 2095.94 CB -9 10/8/2012 Sa rolite PVC 2 645590.5 944231.165 62 52 62 2182.08 2178.86 65.6 36.93 2145.15 DP -1 unknown Sa rolite PVC 2 644598.121 944155.982 20.73 NM NM 2144.35 NM 20.73 11.44 2132.91 GW-01BR 4/28/2015 Bedrock PVC 2 644226.305 946513.036 74 64 74 2181.49 2178.11 76.44 22.74 2158.75 GW -01D 4/27/2015 Transition Zone PVC 2 644229.405 946520.488 44 34 44 2181.32 2178.33 46.45 20.45 2160.87 GW -1 8/6/200 Sa rolite PVC 2 644238.8406 946531.794 24 14 24 2181.16 2171.70 26.6 20.47 2160.69 GW -2 8/7/2007 Bedrock PVC 2 644159.6 943456.3 44.5 29.5 44.5 2094.20 2092.20 47.18 43.10 2051.10 GW -3 8/7/2007 Sa rolite PVC 2 643613.6 943710.2 17 7 17 2071.10 2069.10 19.68 13.12 2057.98 GW -4 8/6/2007 Transition Zone PVC 2 642665 944495.4 24 14 24 2084.40 2082.50 25.9 23.68 2060.72 GW -51 8/7/2007 Transition Zone PVC 2 642527.4 945181.5 30 20 30 2138.40 2136.40 32.37 32.13 2106.27 MW-01BR 4/9/2015 Bedrock PVC 2 643966.653 946144.16 66 56 66 2170.03 2166.99 70.1 23.48 2146.55 MW -01D 4/9/201 Transition Zone PVC 2 643962.563 946147.959 40 35 40 2170.19 2166.95 43.08 29.10 2141.09 M W-02BR 3/11/2015 Bedrock PVC 2 642718.441 945945.093 77 72 77 2168.03 2164.65 81.2 31.88 2136.15 MW-03BR 3/31/2015 Bedrock PVC 2 642476.982 945214.383 91 81 91 2141.31 2138.15 95 35.08 2106.23 MW -03D 3/31/2015 Transition Zone PVC 2 642486.811 945215.216 40 30 40 2142.04 2139.03 42.96 39.84 2102.20 MW -04D 3/17/2015 Transition Zone PVC 2 642758.697 946389.259 38 33 38 2166.42 2163.27 41.82 10.43 2155.99 P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 6-1 Well Construction Data.xlsxTable 6-1 Well Construction Data.xlsxWater level elevation Page 1 of 2 TABLE 6-1 WELL CONSTRUCTION DATA ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Identification Date Installed Hydrostratigraphic Unit Material Diameter Northing Easting Total Well Depth (Feet BGS) Screened Interval (Feet BGS) Measuring Point TOC (Feet MSL) Ground Surface (Feet, MSL) Measured Well Depth (Feet TOC) Measured Depth to Water Feet TOC Water Level (Feet, MSL) MW-05BR 4/26/2015 Bedrock PVC 2 642369.098 944866.403 43 38 43 2085.74 2085.35 43.3 19.96 2065.78 MW -05D 4/27/2015 Transition Zone PVC 2 642371.685 944870.236 26 16 26 2085.85 2085.54 26.3 19.31 2066.54 MW-06BR 4/12/2015 Bedrock PVC 2 642610.67 944767.718 56 46 56 2062.31 2059.28 59.15 1.68 2060.63 MW -06D 4/13/2015 Transition Zone PVC 2 642608.295 944772.91 28 23 28 2062.73 2059.45 31.25 4.97 2057.76 MW -06S 4/13/2015 Sa rolite PVC 2 642607.038 944778.44 17.5 7.5 17.5 2063.12 2059.85 21.02 4.86 2058.26 MW-07BR 4/11/2015 Bedrock PVC 2 643619.05 943730.983 70 60 70 2073.58 2070.16 72.89 60.28 2013.30 MW-08BR 2/3/2015 Bedrock PVC 2 644588.011 943388.961 80 70 80 2123.89 2123.90 82.2 30.90 2092.99 MW -08S 2/4/2015 Sa rolite PVC 2 644584.03 943389.913 40 30 40 2123.34 2123.46 39.8 9.00 2114.34 MW-09BR 4/20/2015 Bedrock PVC 2 1 644862.111 943406.689 93 83 93 1 2145.43 2142.22 65.92 31.92 2113.51 MW -09D 4/21/2015 Transition Zone PVC 2 644856.171 943403.214 44.5 34.5 44.5 2145.09 2141.82 48.84 29.25 2115.84 MW -09S 4/21/2015 Sa rolite PVC 2 644850.643 943401.141 28 18 28 2144.61 2141.51 31.84 28.63 2115.98 MW -10 2/24/2014 Alluvial PVC 2 641997.91 948045.12 8 3 8 2171.20 2167.82 11.65 6.47 2164.73 MW -11 2/24/2014 Alluvial PVC 2 646195.8 942195.91 8 3 8 2035.00 2031.72 11.36 9.25 2025.75 MW -11D 2/5/2015 Transition Zone PVC 2 646194.603 942186.783 35 25 35 2035.22 2032.44 32.36 10.16 2025.06 MW-12BR 3/20/2015 Bedrock PVC 2 645001.825 943708.374 105.5 95.5 105.5 2161.88 2158.92 109.8 47.75 2114.13 MW -12D 3/20/2015 Transition Zone PVC 2 645000.207 943704.17 55.5 50.5 55.5 1 2161.89 2158.83 57.6 35.84 2126.05 MW-13BR 2/23/2015 Bedrock PVC 2 645439.848 943740.8 56 46 56 2154.28 2151.48 59.44 30.20 2124.08 MW -13D 1/30/2015 Transition Zone PVC 2 645440.319 943735.67 41 36 41 2153.97 2151.23 43.06 30.11 2123.86 MW-14BR 2/4/2015 Bedrock PVC 2 645921.638 942943.861 26 21 26 2076.87 2076.88 24.38 14.83 2062.04 MW -15A 2/12/201 Alluvial PVC 2 645527.168 942348.227 6 6 11 2034.60 2031.64 9.88 8.22 2026.38 MW-15BR 2/12/2015 Bedrock PVC 2 645533.236 942347.132 112 102 112 2034.62 2031.68 116.5 7.44 2027.18 MW -15D 2/12/2015 Transition Zone PVC 2 645539.537 942346.395 48 33 48 2034.41 2031.48 51.63 7.23 2027.18 MW -16A 3/6/2015 Alluvial PVC 2 1 644728.661 942586.871 12 7 12 2036.96 2033.85 16.22 9.97 2026.99 MW-16BR 3/6/2015 Bedrock PVC 2 644724.671 942588.372 47 42 47 2037.02 2033.66 51.52 10.28 2026.74 MW -17A 2/16/2015 Alluvial PVC 2 644122.021 942913.03 7 2 7 2034.81 2032.16 10.07 7.04 2027.77 MW-18BR 4/23/2015 Bedrock PVC 2 643580.556 943192.704 33 28 33 2035.54 2032.78 35.65 7.00 2028.54 MW -18D 4/23/2015 Transition Zone PVC 2 643583.294 943186.685 22 17 22 2035.44 2032.49 24.42 8.49 2026.95 MW-19BR 6/13/2015 Bedrock PVC 2 643013.092 943570.759 55 45 55 2036.18 2033.42 58.56 55.72 1980.46 MW -20A 6/12/2015 Alluvial PVC 2 642458.09 943846.028 8 3 8 2037.38 2034.18 10.68 6.10 2031.28 MW -21D 6/25/2015 Transition Zone PVC 2 641783.209 944429.867 14 9 14 2044.23 2044.54 NM 2.77 2041.46 MW-22BR 6/24/2015 Bedrock PVC 2 641599.235 944541.539 47 42 47 2048.98 2049.33 NM 14.56 2034.42 MW -22D 6/24/2015 Transition Zone PVC 2 641604.32 944539.421 26.5 16.5 26.5 2049.06 2049.37 NM 8.61 2040.45 MW-23BR 6/27/2015 Bedrock PVC 2 641966.862 945482.88 57.5 47.5 57.5 2106.44 2103.14 61.55 48.37 2058.07 MW-23DL 6/15/2015 Transition Zone PVC 2 641967.401 945486.766 26.5 21.5 26.5 2106.26 2103.13 29.6 5.38 2100.88 MW-23DU 6/17/2015 Transition Zone PVC 2 641966.029 945479.96 16.5 6.5 16.5 2106.36 2103.00 19.06 8.05 2098.31 MW-24BR 5/7/2015 Bedrock PVC 2 645580.3611 950648.8257 68.2 58.2 1 68.2 2173.03 2170.44 71.03 8.02 2165.01 MW -24S 5/5/2015 Sa rolite PVC 2 1 645579.3597 950641.3468 38 28 38 2173.44 2170.89 41.24 11.24 2162.20 P-100 12/4/2014 Sa rolite PVC 2 642810.189 944985.522 100.3 80.2 99.9 2164.55 2164.55 101.35 76.36 2088.19 P-101 12/4/2014 Sa rolite PVC 2 642913.542 944784.735 97.4 77.4 97 2164.71 2164.71 98.8 86.92 2077.79 P-102 11/25/2015 Sa rolite PVC 2 643547.213 944773.538 52.8 42.8 52.4 2165.28 2165.28 52.6 52.36 2112.92 P-103 11/25/2014 Sa rolite PVC 2 643790.3 944960.145 54.1 44.1 53.7 1 2163.90 2163.90 54.15 48.71 2115.19 P-104 11/26/2014 Sa rolite PVC 2 644847.977 943912.409 54.5 44.5 54.1 2174.26 2174.26 54.8 44.99 2129.27 P-105 11/26/2014 Sa rolite PVC 2 645029.624 943789.91 48.3 38.3 47.9 2174.17 2174.17 48.6 44.92 2129.25 PZ -16 10/18/2006 Transition Zone PVC 2 643153.6 944361.2 52 42 52 2167.00 2164.20 54.55 49.71 2117.29 PZ -17D 10/19/2006 Bedrock PVC 2 643136.2 944195.8 79 69 79 2149.20 2147.40 82.1 57.35 2091.85 PZ -17S 10/19/2006 Bedrock PVC 2 643132.8 944189.8 37 27 37 2148.80 2146.70 40.09 27.63 2121.17 PZ -19 10/16/2006 Sa rolite PVC 2 642899.7 944420.9 24 9 24 2105.40 2102.50 27.05 24.60 2080.80 PZ -22 10/18/2006 Sa rolite PVC 2 642575.4 944801.9 10 5 1 10 1 2062.60 2063.00 9.17 3.43 2059.17 PZ -23 10/23/2006 Sa rolite PVC 2 642717 945935.5 29.5 19.5 29.5 2167.70 2164.70 32.28 22.07 2145.63 PZ -24 10/20/2006 Sa rolite PVC 2 642771.9 946416.7 33 23 33 2166.20 2162.90 33.98 9.54 2156.66 PZ -26 1 10/24/2006 1 Sa rolite I PVC 2 643980.9 1 946109.2 1 28 18 28 2168.30 1 2165.70 29.85 27.18 2141.12 PZ -27 10/24/2006 Sa rolite PVC 2 643832.4 944243.2 60 50 60 2157.00 2153.90 NM NM 2157.00 NOTES: BGS - Below ground surface NF - No Flow TOC - Top of casing NM - Not Measured MSL - Mean sea level NA= Not Available 'Total soil boring depth as reported on the monitoring well construction logs 'Well depths measured by SynTerra, 2015 Prepared by: TDP Checked by: BDW P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 6-1 Well Construction Data.xlsxTable 6-1 Well Construction Data.xlsxWater level elevation Page 2 of 2 TABLE 6-2 WATER LEVEL MEASUREMENTS ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Identification Date Measured Measured Well Depth (Feet TOC) Measured Depth to Water (Feet TOC) Water Level (Feet, MSL) ABMW-02 6/29/2015 32.50 27.11 2123.19 ABMW-02S 6/29/2015 48.55 25.38 2124.91 ABMW-04 6/29/2015 59.00 37.50 2118.91 ABMW-04BR 6/29/2015 85.10 37.36 2119.05 ABMW-04D 6/29/2015 70.50 37.69 2118.74 ABMW-05BR 6/29/2015 80.10 24.53 2113.15 ABMW-05D 6/29/2015 43.06 20.45 2117.06 ABMW-05S 6/29/2015 29.97 18.94 2118.27 ABMW-06BR 6/29/2015 32.92 30.62 2120.88 ABMW-07 6/29/2015 15.82 DRY NA ABMW-07BR 6/29/2015 61.28 51.67 2092.90 ABMW-07S 6/29/2015 34.10 27.53 2117.13 ABMW-08 6/29/2015 33.32 15.02 2150.38 AMW-1B 6/29/2015 NM 41.66 2041.92 AMW-2A 6/29/2015 NM 22.64 2085.29 AMW-2B 6/29/2015 NM 34.94 2072.51 AMW-3A 6/29/2015 NM 8.63 2164.74 AMW-3B 6/29/2015 NM 8.65 2164.35 APD -7 6/29/2015 37.75 25.73 2131.28 APZ-30 6/29/2015 NM 20.05 2083.45 B-1 6/29/2015 48.66 33.55 2093.09 B -1-A 6/29/2015 30.45 22.80 2103.87 B-2 6/29/2015 41.60 30.10 2096.30 CB-01BR 6/29/2015 89.90 38.30 2158.88 CB -01D 6/29/2015 59.20 38.20 2159.01 CB-08BR 6/29/2015 99.30 48.58 2091.34 CB -08D 6/29/2015 39.43 DRY NA CB-09BR 6/29/2015 97.85 48.50 2132.61 CB-09SL 6/29/2015 78.10 35.95 2145.47 CB -1 6/29/2015 62.02 49.01 2163.90 CB -2 6/29/2015 30.25 23.90 2143.89 CB -3R 6/29/2015 38.59 35.08 2103.89 CB -4 6/29/2015 22.77 20.14 2047.10 CB -4B 6/29/2015 41.22 24.71 2041.63 CB -5 6/29/2015 9.27 4.44 2036.05 CB -6 6/29/2015 9.73 4.28 2031.20 CB -7 6/29/2015 11.49 8.30 2026.42 CB -8 6/29/2015 60.90 49.25 2095.94 CB -9 6/29/2015 65.60 36.93 2145.15 DP -1 6/29/2015 20.70 11.44 2132.91 GW-01BR 6/29/2015 76.44 22.74 2158.75 GW -01D 6/29/2015 46.45 20.54 2160.78 GW -1 6/29/2015 26.60 20.47 2160.69 GW -2 6/29/2015 47.18 43.10 2051.10 GW -3 1 6/29/20151 19.68 13.12 2057.98 P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Repo rting\tables\Table 6-2 Water level elevationsTable 6-2 Water level elevationsWater level elevation Page 1 of 3 TABLE 6-2 WATER LEVEL MEASUREMENTS ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Identification Date Measured Measured Well Depth (Feet TOC) Measured Depth to Water (Feet TOC) Water Level (Feet, MSL) GW -4 6/29/2015 25.90 23.68 2060.72 GW -5 6/29/2015 32.37 32.13 2106.27 MW-01BR 6/29/2015 70.10 23.48 2146.55 MW -01D 6/29/2015 43.08 29.10 2141.09 MW-02BR 6/29/2015 81.20 31.88 2136.15 MW-03BR 6/29/2015 95.00 59.22 2082.09 MW -03D 6/29/2015 42.96 39.84 2102.20 MW -04D 6/29/2015 41.82 10.43 2155.99 MW-05BR 6/29/2015 43.30 19.96 2065.78 MW -05D 6/29/2015 26.30 19.31 2066.54 MW-06BR 6/29/2015 59.15 1.68 2060.63 MW -06D 6/29/2015 31.25 4.97 2057.76 MW -06S 6/29/2015 21.02 4.86 2058.26 MW-07BR 6/29/2015 72.89 60.28 2013.30 MW-08BR 6/29/2015 82.20 30.90 2092.99 MW -08S 6/29/2015 39.80 9.00 2114.34 MW-09BR 6/29/2015 65.92 31.92 2113.51 MW -09D 6/29/2015 48.84 29.25 2115.84 MW -09S 6/29/2015 31.84 28.63 2115.98 MW -10 6/29/2015 11.65 6.47 2164.73 MW -11 6/29/2015 11.36 9.25 2025.75 MW -11D 6/29/2015 32.36 10.16 2025.06 MW-12BR 6/29/2015 109.80 47.75 2114.13 MW -12D 6/29/2015 57.60 35.84 2126.05 MW-13BR 6/29/2015 59.44 30.20 2124.08 MW -13D 6/29/2015 43.06 30.11 2123.86 MW-14BR 6/29/2015 24.38 14.83 2062.04 MW -15A 6/29/2015 9.88 8.22 2026.38 MW-15BR 6/29/2015 116.50 7.44 2027.18 MW -15D 6/29/2015 51.63 7.23 2027.18 MW -16A 6/29/2015 16.22 9.97 2026.99 MW-16BR 6/29/2015 51.52 10.28 2026.74 MW -17A 6/29/2015 10.07 7.04 2027.77 MW-18BR 6/29/2015 35.65 7.00 2028.54 MW -18D 6/29/2015 24.24 8.49 2026.95 MW-19BR 6/29/2015 58.56 55.72 1980.46 MW -20A 6/29/2015 10.68 6.10 2031.28 MW -21D 6/30/2015 NM 2.77 2041.46 MW-22BR 6/30/2015 NM 14.56 2034.42 MW -22D 6/30/2015 NM 8.61 2040.45 MW-23BR 6/29/2015 61.55 48.37 2058.07 MW-23DL 6/29/2015 29.60 5.38 2100.88 MW-23DU 6/29/2015 19.06 8.05 2098.31 MW-24BR 6/29/2015 71.03 8.02 2165.01 MW -24S 6/29/2015 41.24 11.24 2162.20 P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Repo rting\tables\Table 6-2 Water level elevationsTable 6-2 Water level elevationsWater level elevation Page 2 of 3 TABLE 6-2 WATER LEVEL MEASUREMENTS ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Identification Date Measured Measured Well Depth (Feet TOC) Measured Depth to Water (Feet TOC) Water Level (Feet, MSL) P-100 6/29/2015 101.35 76.36 2088.19 P-101 6/29/2015 98.80 86.92 2077.79 P-102 6/29/2015 52.60 52.36 2112.92 P-103 6/29/2015 54.15 48.71 2115.19 P-104 6/29/2015 54.80 44.99 2129.27 P-105 6/29/2015 48.60 44.92 2129.25 PZ -16 6/29/2015 54.55 49.71 2117.29 PZ -17D 6/29/2015 82.10 57.35 2091.85 PZ -17S 6/29/2015 40.09 27.63 2121.17 PZ -19 6/29/2015 27.05 24.60 2080.80 PZ -22 6/29/2015 9.17 3.43 2059.17 PZ -23 6/29/2015 32.28 22.07 2145.63 PZ -24 6/29/2015 33.98 9.54 2156.66 PZ -26 6/29/20151 29.85 27.18 1 2141.12 Nreparea ny: I Uf'/SKyy LneCKea ny: bUVV Notes: NA= Not available NM= Not measured P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Repo rting\tables\Table 6-2 Water level elevationsTable 6-2 Water level elevationsWater level elevation Page 3 of 3 TABLE 6-3 HORIZONTAL GROUNDWATER GRADIENTS AND FLOW VELOCITY ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Ash Basin Groundwater Gradients Direction Data Points Gradient (ft per ft) Velocity (ft per yr) Saprolite SW CB-9SL to MW -9S 0.027 5.23 WSW MW -9S to MW -16A 0.110 1563.80 Deep SW MW -3D to MW -21D 0.058 3.06 W MW -13D to MW -15D 0.070 10.79 Bedrock SW CB-9BR to MW-12BR 0.024 41.53 SW MW-12BR to MW-9BR 0.002 0.61 WSW MW-9BR to MW-16BR 0.107 3266.01 SW MW-3BR to MW-22BR 0.045 370.21 Prepared by: TCP Checked by: HJF Note: Water level measurements used for these calculations were collected on June 29, 2015 P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Repo rting\tables\Table 6- 3 - Horizontal Groundwater Gradients.xlsx Page 1 of 1 TABLE 6-4 VERTICAL GROUNDWATER GRADIENTS ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Well ID Hydraulic Gradient ft per ft Flow Direction MW -15D to MW-15BR 0.00 Downward MW-16BR to MW -16A 0.00 Downward MW -18D to MW-18BR 0.12 Upward MW -22D to MW-22BR 0.23 Downward MW -05D to MW-05BR 0.03 Downward ABMW-07S to ABMW-07BR 0.93 Downward ABMW-05D to ABMW-05BR 0.10 Downward CB -01D to CB-01BR 0.00 Downward ABMW-04D to ABMW-04BR 0.02 Upward ABMW-02 to ABMW-02S 0.18 Upward MW -09D to MW-09BR 0.06 Downward MW -08S to MW-08BR 0.55 Downward CB-09SL to CB-09BR 0.92 Downward AMW-3A to AMW-3B 0.01 Downward CB -4 to CB -4B 0.37 Downward GW-01BR to GW -01D 0.67 Downward MW-01BR to MW -01D 0.23 Upward MW-03BR to MW -03D 0.32 Upward MW-05BR to MW -05D 0.04 Downward MW -06S to MW -06D 0.04 Downward MW -11 to MW -11D 0.03 Downward MW-12BR to MW -12D 0.25 Downward MW-13BR to MW -13D 0.02 Upward MW-23DU to MW-23DL 0.21 Upward MW-23DL to MW-23BR 1.01 Downward MW -24S to MW-24BR 0.09 Upward PZ -17D to PZ -17S 0.71 Downward Prepare by: KF and DMY Checked by: BDW Notes• ft= Feet Water level measurements used for these calculations were collected on June 29, 2015. P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 6-4 Vertical Hydraulic Gradients.xlsx Page 1 of 1 TABLE 6-5 IN-SITU HYDRAULIC CONDUCTIVITY TEST RESULTS ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN,NC Ash Basin Well ID Slug Test Hydraulic Conductivity Slug Test (cm/sec) Number Measured GeMeanric Hydraulic Conductivity Hydraulic Conductivity Well ID Slug Test Slug Test Number (cm/sec) (ft/day) Measured Geric Mean Measured Geri c Mean AMBW-2 Slug Out Test 1 1.17E-03 1.04E-03 3.30E+00 2.94E+00 Test 2 9.26E-04 2.62E+00 ABMW-04 Slug In Test 1 1.69E-04 1.16E-04 4.79E-01 3.29E-01 Test 2 1.40E-04 3.97E-01 Slug Out Test 1 8.24E-05 2.34E-01 Test 2 9.33E-05 2.64E-01 ABMW-08 Slu -Out Test 1 9.69E-06 9.69E-06 2.75E-02 2.75E-02 3.21E-03 GEOMETRIC MEAN 1.52E-04 HIGHEST CONDUCTIVITY 4.32E-01 2.05E-01 HIGHEST CONDUCTIVITY 1.17E-03 3.64E-04 3.30E+00 LOWEST CONDUCTIVITY 9.69E-06 Test 2 1.31E-03 2.75E-02 Slug Out Alluvial Well ID Slug Test Hydraulic Conductivity Slug Test (cm/sec) Number Measured GeMeanric Hydraulic Conductivity (ft/day) Measured GeMeanric MW -15A Slug In Test _1M 6.28E-04 4.82E-04 1.78E+00 1.37E+00 Test 2 �1� 4.98E-04 1.41E+00 Slug Out Test 2 �1� 3.64E-04 1.03E+00 Test 3 (1) 4.75E-04 1.35E+00 MW -16A Slug In Test 1 5.81E-03 6.38E-03 1.65E+01 1.81E+01 Test 2 6.80E-03 1.93E+01 Test 3 8.39E-03 2.38E+01 Test 5 9.08E-03 2.57E+01 Test 7 8.80E-03 2.50E+01 Slug Out Test 1 3.48E-03 9.87E+00 Test 2 5.07E-03 1.44E+01 Test 4 7.10E-03 2.01E+01 Test 5 6.44E-03 1.82E+01 Test 6 5.97E-03 1.69E+01 Test 7 5.62E-03 1.59E+01 2.40E-01 GEOMETRIC MEAN 3.21E-03 Slug Out 9.09E+00 HIGHEST CONDUCTIVITY 9.08E-03 2.05E-01 2.57E+01 LOWEST CONDUCTIVITY 3.64E-04 1.96E-03 1.03E+00 Saprolite Hydraulic Conductivity Hydraulic Conductivity Well ID Slug Test Slug Test (cm/sec) Number easuredGeMeanric Measured-6 (ft/day) Measured GeMeanric ABMW-2S Slug In Test 2 1.47E-03 Test 4 1.50E-03 1.57E-03 Test 1 1.75E-03 Test 4 1.56E-03 4.18E+00 4.45E+00 4.26E+00 Slug Out 4.97E+00 4.42E+00 ABMW-05S Slu -In Test 2 5.38E-05 3.56E-05 1.52E-01 1.01E-01 Slug -Out Test 1 2.36E-05 6.69E-02 ABMW-07S Slug In Test 1 �1� 1.39E-04 9.71E-05 3.93E-01 2.75E-01 Test 2 �1� 7.16E-05 2.03E-01 Slug Out Test _1(') 8.23E-05 2.33E-01 Test 2 (1) 1.09E-04 3.09E-01 CB -09 SL Slug In Test 1 1.18E-04 8.45E-05 3.35E-01 2.40E-01 Test 2 8.32E-05 2.36E-01 Slug Out Test 1 7.16E-05 2.03E-01 Test 2 7.24E-05 2.05E-01 MW -06S Slug In Test 1 1.99E-03 1.96E-03 5.63E+00 5.55E+00 Test 2 1.31E-03 3.70E+00 Slug Out Test 1 2.63E-03 7.45E+00 Test 2 2.16E-03 6.13E+00 MW -08S Slug In Test 1 8.02E-05 4.94E-05 2.27E-01 1.40E-01 Test 2 2.44E-05 6.93E-02 Slug Out Test 1 5.11E-05 1.45E-01 Test 2 5.92E-05 1.68E-01 Test 1 1.85E-03 5.25E+00 Test 2 1.74E-03 4.94E+00 MW -24S Slug Out 1.84E-03 5.23E+00 Test 3 1.94E-03 5.50E+00 GEOMETRIC MEAN 2.83E-04 8.01E-01 HIGHEST CONDUCTIVITY 2.63E-03 7.45E+00 LOWEST CONDUCTIVITY 2.36E-05 6.69E-02 P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 6-5 In -Situ Hydraulic Conductivity Test ResultsSummary Results by Unit Page 1 of 3 TABLE 6-5 IN-SITU HYDRAULIC CONDUCTIVITY TEST RESULTS ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN,NC Transition Zone Hydraulic Conductivity Hydraulic Conductivity Well ID Slug Test Slug Test (cm/sec) Number Measured Geometric Mean (ft/day) Measured Average ABMW-04D Slug In Test 1 1.29E-03 1.37E-03 3.64E+00 3.89E+00 Test 2 1.37E-03 3.88E+00 Slug Out Test 1 1.43E-03 4.06E+00 Test 2 1.41E-03 4.01E+00 ABMW-05D Slug In Test 1 1.41E-04 1.13E-04 4.00E-01 3.21E-01 Test 2 1.02E-04 2.88E-01 Slug Out Test 1 9.71E-05 2.75E-01 Test 2 1.18E-04 3.35E-01 CB -01D Slug In Test 1 5.22E-04 4.95E-04 1.48E+00 1.40E+00 Test 2 4.96E-04 1.41E+00 Slug Out Test 1 4.96E-04 1.41E+00 Test 2 4.68E-04 1.33E+00 GW -01D Slug In Test 1 8.34E-03 6.72E-03 2.36E+01 1.90E+01 Test 2 5.78E-03 1.64E+01 Slug Out Test 1 6.44E-03 1.82E+01 Test 2 6.57E-03 1.86E+01 MW -01D Slug Out Test 1 3.62E-05 5.05E-05 1.03E-01 1.43E-01 Test 2 7.04E-05 1.99E-01 MW -04D Slug In Test 1 6.41E-04 5.11E-04 1.82E+00 1.45E+00 Test 2 5.38E-04 1.53E+00 Slug Out Test 1 4.06E-04 1.15E+00 Test 2 4.86E-04 1.38E+00 Slug In Test 2 8.83E-05 2.50E-01 MW -05D 1.19E-04 3.38E-01 Slug Out Test 1 1.37E-04 3.87E-01 Test 2 1.40E-04 3.98E-01 MW -06D Slug In Test 1 1.20E-02 1.13E-02 3.40E+01 3.19E+01 Test 2 8.57E-03 2.43E+01 Slug Out Test 1 1.17E-02 3.33E+01 Test 2 1.33E-02 3.78E+01 MW -09D Slug In Test 1 1.84E-04 1.67E-04 5.21E-01 4.74E-01 Test 2 1.76E-04 4.98E-01 Slug Out Test 1 1.53E-04 4.34E-01 Test 2 1.58E-04 4.48E-01 MW -11D Slug In Test 1 1.06E-04 6.99E-05 3.01E-01 1.9�� 8E-0 �1 Slug Out Test 1 4.60E-05 1.30E-01 MW -12D Slug In Test 1 1.01E-04 7.06E-05 2.87E-01 2.00E-01 Test 2 7.93E-05 2.25E-01 Slug Out Test 1 6.14E-05 1.74E-01 Test 2 5.04E-05 1.43E-01 Slug In Test 2 1.12E-05 3.16E-02 MW -13D 3.83E-05 1.08E-01 Slug Out Test 1 6.31E-05 1.79E-01 Test 2 7.96E-05 2.26E-01 Test 1 9.86E-05 2.80E-01 MW -15D Slug Out Test 2 1.39E-04 1.20E-04 3.93E-01 3.39E-01 Test 3 1.25E-04 3.55E-01 Slug In Test 1 3.00E-04 8.50E-01 Test 2 2.48E-04 7.02E-01 Test 1 1.29E-04 3.67E-01 MW -18D 2.03E-04 5.77E-01 Slug Out Test 2 2.36E-04 6.69E-01 Test 213 1.54E-04 4.35E-01 MW -21D Slug Out Test 1 2.32E-05 2.32E-05 IF 6.59E-02 I 6.59E-02 MW -22D Slug Out Test 1 3.35E-04 4.05E-04 9.50E-01 1.15E+00 Test 2 4.89E-04 1.39E+00 MW-23DL Slug Out Test 1 8.02E-05 8.02E-05 2.27E-01 2.27E-01 Test 1 2.51E-04 7.10E-01 MW-23DU Slug Out Test 2 2.80E-04 2.94E-04 7.93E-01 8.32E-01 Test 3 3.61E-04 1.02E+00 GEOMETRIC MEAN 3.09E-04 8.76E-01 HIGHEST CONDUCTIVITY 1.33E-02 3.78E+01 LOWEST CONDUCTIVITY 1.12E-05 3.16E-02 P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 6-5 In -Situ Hydraulic Conductivity Test ResultsSummary Results by Unit Page 2 of 3 TABLE 6-5 IN-SITU HYDRAULIC CONDUCTIVITY TEST RESULTS ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN,NC Bedrock Well ID Slug Test Hydraulic Conductivity Slug Test (cm/sec) Number Measured Geometric Mean Hydraulic Conductivity (ft/day) Measured Average ABMW-04BR PK -SI Test 1 1.30E-04 1.79E-04 3.67E-01 c.07E-01 J/ L V 1 PK -SO Test _17-T 2.46E-04 6.98E-01 ABMW-05BR PK -SI Test 2 6.98E -061.98E-02 =2.66E-05 7.55E-02 PK -SO Test 1 7.25E-05 2.06E-01 Slu -Out Test 1 3.74E -051.06E-01 ABMW-06BR PK -SO Test 1 1.06E-02 1.06E-02 3.00E+01 3.00E+01 CB-08BR Slug -Out Test 1 2.42E-05 2.42E-05 6.85E-02 6.85E-02 CB-09BR Slug -Out Test 1 6.64E-04 7.38E-04 1.88E+00 2.09E+00 Test 2 7.55E-04 2.14E+00 Test 3 8.01E-04 2.27E+00 GW-01BR Slug -Out Test 1 1.56E-06 1.56E-06 4.42E-03 4.42E-03 MW-01BR Slug -Out Test 1 3.44E-06 3.44E-06 9.76E-03 9.76E-03 MW-02BR MW-05BR PK -SI Test 1 1.56E-03 4.82E-04 4.42E-02 4.43E+00 1.37E+00 1.25E+02 PK -SO PK -SI Test 1 1.48E-04 Test 1 4.06E-02 4.21E-01 1.15E+02 PK -SI Test 2 3.40E-02 9.63E+01 PK -SO Test 1 5.80E-02 1.65E+02 PK -SO Test Z 4.75E-02 1.35E+02 FMW-09BR Slug Out Test 1 2.96E-05 2.90E-05 8.38E-02 8.22E-02 Test Z 2.84E-05 8.06E-02 MW-1ZBR MW-13BR PK -SI Test 1 5.27E-04 3.97E-04 1.39E-04 1.49E+00 1 133+00 1.1JLTVV 3.94E-01 PK -SO Slug -In Test 1 3.00E-04 Test 1 1.55E-04 8.50E-01 4.38E-01 Test Z 1.82E-04 5.15E-01 Slug -Out Test 1 7.28E-05 2.06E-01 PK -SO Test 1 1.82E-04 5.16E-01 MW-14BR Slug-In-FSlug-In-F Test 1 2.65E-05 1.75E-05 7.51E-02 ��-�� 4,95E -VL Slug -Out Test 1 1.15E-05 3.26E-02 MW-15BR MW-16BR PK -SI Test 1 7.54E-04 8.57E-04 1.00E-02 2.14E+00 L.4JLTV3E+00 V 2.84E+01 PK -SO PK -SI Test 1 9.75E-04 Test 1 1.14E-02 2.76E+00 3.23E+01 PK -SI Test 2 5.45E-03 1.54E+01 PK -SO Test 1 1.31E-02 3.72E+01 PK -SO Test Z 1.24E-02 3.50E+01 MW-18BR Slug -Out Test 1 2.09E-04 6.72E-04 5.94E-01 1.91E+00 Test Z 2.16E-03 6.12E+00 MW-22BR Slug -Out Test 1 2.94E-03 2.72E-03 8.35E+00 7.70E+00 Test 2 2.80E-03 F 7.92E+00 Test 3 2.44E-03 6.92E+00 GEOMETRIC MEAN 4.77E-04 1.35E+00 HIGHEST CONDUCTIVITY 5.80E-02 1.65E+02 LOWEST CONDUCTIVITY 1.56E-06 4.42E-03 Prepared by: HJF Checked by: RAG Slug tests were analyzed using the Hvorslev mathmatical model, unless where indicated. (1) Bouwer-Rice mathmatical model was used to because the well screen was not fully submerged. PK -SI - Packer Test, Slug -In PK -SO - Packer Test, Slug Out P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 6-5 In -Situ Hydraulic Conductivity Test ResultsSummary Results by Unit Page 3 of 3 TABLE 6-6 VERTICAL HYDRAULIC CONDUCTIVITY OF UNDISTURBED SOIL SAMPLES ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Prepared by: KNS Checked by: TDP P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 6-6 Vertical Hydraulic Conductivity of Undisturbed Soil Samples.docx Page 1 of 1 Moisture Content Hydraulic Wet Dry Sample ID Material Description Conductivity Density Density Specific Porosity ASTM D 5084 (PCF) (PCF) Gravity (%) (cm/sec) ABMW-02SB Grey and black silty fine - 2,60E-06 122.5 98.8 2.734 43.2 (37-39.5) medium SAND ABMW-07(7.5-9.5) Grey fine - coarse sandy 8.60E-06 117.6 89.7 2.414 38.2 SILT MW-16SB(7-9) Brown coarse - fine sand 4.80E-07 114.4 91.1 2.674 46.4 with gravel Prepared by: KNS Checked by: TDP P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 6-6 Vertical Hydraulic Conductivity of Undisturbed Soil Samples.docx Page 1 of 1 TABLE 7-1 CHARACTERISTICS OF CONSTRUCTED WETLANDS INFLUENT AND SURROUNDING GROUNDWATER ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Prepared by: TDP Checked DGN P: \ Duke Energy Progress. 1026 \ 102. Asheville Ash Basin GW Assessment Plan \ 1.11 CSA Reporting \ tables \ Table 7-1 Characteristics of Constructed Wetland.docx Page 1 of 1 Chloride Boron Selenium TDS (pg/1) (pg/1) (pg/1) (mg/1) Equalization Basin FGD Blowdown 200 -2000 4000 - 70 -600 t 60000 Available Water Ash Pore Water Concentration 5.5 - 28 263 -3660 1.09 -6.75 320 -960 Range Upgradient of Constructed 1.1- 39 64- 3660 1.00 - 27.1 31 -960 Wetland Downgradient of Constructed 7.3 - 570 54 - 5330 1.08 -41.9 72 - 1900 Wetland Prepared by: TDP Checked DGN P: \ Duke Energy Progress. 1026 \ 102. Asheville Ash Basin GW Assessment Plan \ 1.11 CSA Reporting \ tables \ Table 7-1 Characteristics of Constructed Wetland.docx Page 1 of 1 TABLE 7-2 PHYSICAL PROPERTIES OF ASH ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Sample ID De thS (Feet BGS) Gravel (%) Sand (%) Silt (%) Clay (%) pi Gravity vitty y (%) From To ABMW-02 28 29 17.1 59.5 18.3 5.1 2.534 AB -09 33 35 0 2.1 80.1 17.8 2.304 Notes: % = percent Prepared by: KNS Checked by: BDW 1. Sand, silt and clay percentages based on International Scale where sand>0.063 millimeter, 0.063 mm >silt<0.002 mm, and clay< 0.002 mm. P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 7- 2 Physical Properties of Ash Page 1 of 1 TABLE 7-3 MINERALOGY OF ASH ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Prepared by: LAM Checked by: BDW Notes• pct = percent ND = Not detected P: Duke Energy Progress.1026 102. Asheville Ash Basin GW Assessment Plan 1.11 CSA Reporting tables Table 7-3 Mineralogy of Ash Page 1 of 1 Sand Silt Clay Amphibole Biotite Calcite Chlorite Dolomite Feldspar Gibbsite Hematite Illite Kaolinite Mullite Magnetite Muscovite Quartz Sample ID pct pct pct pct pct pct pct pct pct pct pct pct pct pct pct pct pct ABMW-07SB 0-7 34.16 59.33 6.52 ND 16.4 ND 16.5 ND 14 ND 1.8 ND ND 14.9 2.4 6.5 27.8 ABMW-04SB ASH 20.94 74.27 4.79 ND ND ND ND ND ND ND 6.3 ND ND 49.8 3 ND 40.2 ABMW-05SB ASH 37.36 56.15 6.49 ND 8.4 ND 1.5 ND 6.2 1.5 1.7 ND ND 16.6 ND 42.1 22.1 Prepared by: LAM Checked by: BDW Notes• pct = percent ND = Not detected P: Duke Energy Progress.1026 102. Asheville Ash Basin GW Assessment Plan 1.11 CSA Reporting tables Table 7-3 Mineralogy of Ash Page 1 of 1 TABLE 7-4 CHEMICAL PROPERTIES OF ASH ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Analytical Parameter Percent Moisture pH at 25 Degrees C Aluminum Antimony Arsenic Barium Beryllium Boron Cadmium CalJEN Chromium Cobalt Copper Iron Lead Magnesium Manganese Mercury Molybdenum Nickel Nitrate (as N) Potassium Selenium Sodium Strontium Sulfate Thallium Total Organic Carbon Vanadium Zinc Reporting Units % Std. Units mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg Soil RSL- Industrial Health NE NE 110,000 47 3 22,000 230 23,000 98 N NE 35 4,700 82,000 800 NE 2,600 4 580 2,200 NE NE 580 NE 70,000 NE 1.2 NE 580 35,000 Soil RSL - Residential Health NE NE 7,700 3.1 0.68 1,500 16 1,600 7.1 N NE 2.3 310 5,500 400 NE ISO 0.94 39 150 NE NE 39 NE 4,700 NE 0.078 NE 39 2,300 Soil RSL - Protection of Groundwater NE NE NE 0.27 0.29 82 3.2 NE NE N180,000 NE 46 NE 14 NE NE 0.1 NE NE NE NE 0.26 NE NE NE 0.14 NE NE NE Sample ID Sample Collection Date Analytical Results AB -01 (4-5) 03/12/2015 16.3 8.1 6360 <3 59.9 368 1.5 13.1 0.2j 2870 <293 12 6.6 23.6 5150 8.8 659 46.6 0.17 1.1 9.6 <29.3 1010 14.6 147 115 <293 <3 77900 39.9 14.9 AB -01 (19-20) 03/12/2015 21.4 7.8 16500 <3.2 58.8 197 1.9 38.9 0.33j 1470 <314 25.4 14.1 36.2 17000 17.9 1350 199 0.18 1.5 13.1 <31.4 2250 6.9 172 124 <314 <3.2 18500 59 29.3 AB-03SB (3-5) 04/13/2015 33 7.4 20700 <7.8 71.4 462 2.7 <19.5 <0.94 2010 <366 31.7 18.7 40.4 29600 16.1 2100 281 0.18 6.8 24.1 <36.6 2690 11.8 224j 148 187j <7.8 52300 54.9 49.1 AB -09 SB (5-6) 04/06/2015 23.4 7.3 16000 <6.6 97.4 681 4.4 15.2j <0.79 2480 <321 26.8 12.5 48 14400 22.6 1500 55.8 0.34 <3.3 23 <32.1 3490 13.5 487 223 <321 <6.6 86000 68 40.5 AB -09 SB (33-35) 04/06/2015 31.6 7.5 21000 <7.2 217 545 4.9 16.3j 0.56j 3170 <365 40.3 19.8 63.9 18500 26.1 1470 89.6 0.24 2.8j 35.7 <36.5 3200 19.5 497 327 185j <7.2 23600 103 60.3 AB -10 SB ASH 03/25/2015 29.5 7.5 1740 <3.5 96.7 7.4 0.056 j <3.5 0.38 j 54.6 <355 1.5 13.5 6.5 12600 17.7 889 14.5 0.23 <0.7 1.9 <35.5 748 12.2 <69.7 0.51 j <355 <3.5 64800 66 8.8 ABMW-02 SB (2-3) 03/10/2015 23.8 7.1 13900 <3.4 233 274 3.4 28.9 0.38 j 1700 <326 36.6 13.5 47.4 6070 25.9 987 61 0.26 1.4 18.2 <32.6 2680 16.6 270 158 <326 <3.4 27800 63.8 39.4 ABMW-02 SB (16.5-17) 03/10/2015 28.2 8.4 10800 <3.6 64.2 281 1.8 26.9 0.44 2840 <345 15.3 7.2 30.5 6090 11.7 919 38.7 0.29 1.1 17 <34.5 1480 8.4 186 232 <345 <3.6 84000 44.9 26 ABMW-02 SB (28-29) 03/10/2015 20.6 7.4 14400 1.8 j 247 158 0.68 20.2 0.68 2020 <312 11.3 9.7 11.8 12000 16.4 919 70 0.04 113 12.7 <31.2 1140 39.9 54j 93.8 <312 <3.3 11500 56.6 33 ABMW-04 SB (1.5-2) 03/20/2015 26.5 7.7 13000 <3.5 28.9 296 1.5 10.4 j <0.42 1800 <337 23.9 6.5 19 16800 11.8 1290 121 0.17 0.91 7.9 <33.7 1740 3.3 j 167 79.3 <337 <3.5 71100 52.1 24.8 ABMW-04 SB (27-29) 03/20/2015 28.7 7.8 10500 <3.5 SIB 374 3.4 18.7 j 0.3 j 1 2420 <351 23.5 12 1 43 6620 1 16.5 892 113 0.19 1.6 15.6 <35.1 1850 1 11.6 289 1 173 178j <3.5 77200 1 59.9 27.2 ABMW-04 SB (57-59) 03/20/2015 27.8 8.4 15000 <3.4 170 301 1.8 41.9 0.33 j 2690 <343 27.4 8.4 35.4 6890 16.2 1090 50.6 0.18 2.1 13.5 <34.3 2990 22.2 293 249 <343 <3.4 17000 62.8 26.3 ABMW-07 SB (3-4) 04/07/2015 21.8 7.2 11700 <6.4 82.2 412 3.4 14.4j 0.48j 3770 <324 27.9 14.1 46.1 12200 18.4 1200 177 0.24 3 19.3 <32.4 2130 8.3 259 183 183j <6.4 87800 68 33.1 ABMW07 SB (7-9) 04/07/2015 29.4 7.3 22500 <7.1 105 395 3.7 10.8 j 0.43 j 2930 <361 34.2 20.6 59 27300 21.2 2590 200 0.14 10.6 28.4 <36.1 3290 11.9 384 245 190 j <7.1 35400 80.5 ABMW-08 SB (4-5) 03/10/2015 24.4 7.3 10100 <3.5 55.1 272 1.4 18 <0.42 1520 <330 13.7 9.5 23.5 11800 12 1090 103 0.18 0.98 12.3 <33 1780 7.5 145 119 <330 <3.5 50000 41.5 ABMW-08 SB (25-27) 03/10/2015 20.7 6.1 16100 <3.1 8.3 66 0.86 23.1 <0.37 247 <313 21.5 7.7 19.4 33000 13.4 1240 120 0.028 0.46 j 5 <31.3 870 2.9 j 33.4 j 9.9 <313 <3.1 9630 33.7 E24J Prepared by: BER/SRW Checked by: KLS Notes: Bold color highlighted concentrations indicate highest exceedance of the EPA Mid -Atlantic Risk Assessment regional screening levels for soil, June 2015, for the category listed below: - Soil RSL - Industrial Health - Soil RSL - Residential Health - Soil RSL - Protection of Groundwater mg/kg = milligrams per kilogram NE = Not established Std. Units = Standard Units = Percent j = indicates concentration reported below Practical Quantitation Limit (PQL), but above Method Detection Limit (MDL) and therefore concentration is estimated. < = concentration not detected at or above the reporting limit. P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 7-4 Chemical Properties of Ash Page 1 of 1 TABLE 7-5 LEACHING PROPERTIES OF ASH ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Analytical Parameter Aluminum Antimony Arsenic Barium Beryllium Boron Cadmium Calcium Chloride Chromium Cobalt Copper Iron Lead Magnesium Manganese Mercury Molybdenum Nickel Nitrate tN) (asReporting Potassium Selenium Sodium Strontium Sulfate Thallium Vanadium Zinc Units ug/I ug/I ug/I ug/I ug/I ug/I ug/I mg/I mg/I ug/I ug/I mg/l ug/I ug/I mg/I ug/I ug/I ug/I ug/I mg/l mg/I ug/I mg/l mg/I mg/I ug/I ug/I mg/I 15A NCAC 02L Standard NE 1 * 10 700 4 * 700 2 NE 250 10 1 * 1 300 15 NE 50 1 NE 100 10 NE 20 NE NE 250 0.2 * 0.3 * 1 Sample ID Sample Collection Date Analytical Results AB -01 (19-20) 03/12/2015 6110 1 25.5 72.4 0.23 676 <0.08 7.34 <6.4 6.9 3.3 0.0078 4360 3 2.16 161 <0.2 7.4 2.9 22.9 2.14 1.6 15.2 0.191 4.5 0.2 18 0.0331 AB -035B (3-5) 04/13/2015 30300 2.7 53.7 481 0.93 140 0.1 7.12 <5 29.4 7.1 0.0184 18000 7.4 1.75 78.5 0.026 j 73.5 15 <0.2 2.02 23.9 1.72 0.286 11 0.4 51.7 0.0795 AB -09 SB (33-35) 04/06/2015 1640 4.2 270 369 0.89 60.8 0.56 2.75 <7.3 11.9 1.3 0.0132 899 4.6 0.418 27.1 0.03 j 2.9 2.4 <0.29 0.731 11.4 1.14 0.143 9.6 1.2 139 0.0478 ABMW-02 SB (28-29) 03/10/2015 30300 4.1 380 185 1.7 179 0.43 11.9 21.5 20.3 6.8 0.0103 20000 36.2 1.57 153 <0.6 470 10.8 <0.25 5 5 1.05 0.391 7 0.49 141 0.0244 ABMW-04 SB (27-29) 03/20/2015 279 7.9 113 381 <0.2 209 <0.08 1 6.95 <7 2.5 <0.5 1 0.0017 <50 0.41 0.702 2.2 <0.2 1 39.3 <0.5 152 1.08 49.4 1.5 0.222 35.4 0.24 59.7 0.136 ABMW-04 SB (57-59) 03/20/2015 858 8.7 425 348 <0.2 161 0.19 5.23 <6.9 3.5 <0.5 0.012 63.5 0.39 0.647 25.7 <0.2 8.5 0.75 174 1.11 55.8 1.66 0.164 9.7 0.67 249 0.164 ABMW-07 SB (3-4) 04/07/2015 6850 6.2 111 360 0.52 j 140 <0.4 5.08 <6.4 16.1 2.9 0.0108 4990 3.4 0.722 32.3 <0.2 50.3 4.5 0.29 0.818 65.5 2.66 0.218 11.9 0.26 j 67.7 0.0538 ABMW-08 SB (25-27) 03/10/2015 20900 <0.5 13.4 161 2 53.5 0.13 1.3 16.2 22.4 14.3 0.0422 16800 34.7 1.07 38.4 <0.6 <0.5 7.1 <0.25 2.68 0.92 2.92 0.0579 3.5 0.35 63.8 0.019 Prepared by: BER/SRW Checked by: KLS Notes = - Bold highlighted concentration indicates exceedance of the 15A NCAC 02L Standard, Appendix 2, April 1, 2013. mg/I = milligrams per liter ug/I = microgram per liter NE = Not established j = indicates concentration reported below Practical Quantitation Limit (PQL), but above Method Detection Limit (MDL) and therefore concentration is estimated. < = concentration not detected at or above the reporting limit. * - Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April, 1, 2013. Synthetic Precipitation Leaching Procedure, USEPA Method 1312 P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 7-5 Leaching Properties of Ash Page 1 of 1 TABLE 7-6 WHOLE ROCK METAL OXIDE ANALYSIS OF ASH ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Sample ID AIZ03 BaO CaO Cr203 Fe203 K,O MgO MnO Na20 P201 Si02 SrO Ti02 V201 LOI pct pct pct pct pct pct pct pct pct pct pct pct pct pct pct ABMW-07SB 0-7 25.81 0.14 1.82 0.22 10.94 1.03 1.40 0.05 0.35 0.28 47.68 0.08 1.20 0.04 8.35 ABMW-04SB ASH 27.79 0.18 1.39 0.19 8.60 0.71 1.20 0.04 0.23 0.28 56.88 0.10 1.32 0.05 10.50 ABMW-05SB ASH 23.86 0.12 1.23 0.16 7.84 1.13 1.08 0.04 0.24 0.35 54.79 0.08 1.15 0.04 8.29 Prepared by: LAM Checked by : TDP Notes• pct = percent P: Duke Energy Progress.1026 102. Asheville Ash Basin GW Assessment Plan 1.11 CSA Reporting tables Table 7-6 Whole Rock Metal Oxide Analysis of Ash Page 1 of 1 TABLE 7-7 WHOLE ROCK ELEMENTAL ANALYSIS OF ASH ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Prepared by: LAM Checked by: TDP Notes: mg/kg = milligrams per kilogram P \Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 7-7 Whole Rock Elemental Analysis of Ash Page 1 of 1 As Cd Ce Co Cu Ga La Mo Ni Pb Sb Se Sn W Zn Zr Sample ID mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg ABMW-07SB 0-7 63 0.4 191 58 102 24 78 17 99 28 4 7 3 3 156 70 ABMW-04SB ASH 63 0.5 193 61 116 22 83 5 96 29 4 13 2 3 12574 ABMW-05SB ASH 85 0.5 181 47 96 20 75 6 81 30 3 6 3 2 115 83 Prepared by: LAM Checked by: TDP Notes: mg/kg = milligrams per kilogram P \Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 7-7 Whole Rock Elemental Analysis of Ash Page 1 of 1 TABLE 7-8 ASH PORE WATER ANALYTICAL RESULTS ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Prepared by: BER/SRW Checked by: KLS Notes - Bold highlighted concentration indicates exceedance of the 15A NCAC 02L Standard, Appendix 2, April 1, 2013. Water Spec P DIS = Dissolved NE = Not established TOT = Total NTUs = nephelometric turbidity unit Ferrous S.U. = Standard Unit Aluminum Aluminum AntimonyAntimonyArsenic umhos/cm = micro mhos per centimeter mg/I = milligrams per liter Arsenic Barium Barium Beryllium y Beryllium y Bi Boron Boron Cadmium Cadmium Calcium Carbonate Chromium Chromium Cobalt Cobalt Copper Co PP Copper Iron Iron Analytical Parameter Redox Assignment pH Level Temp Cand DO ORP Eh Turbidity Iron Alkalinity DIS TOT DIS TOT DIS TOT DIS TOT DIS TOT carbonate Alkalinity DIS TOT DIS TOT TOT Alkalinity Chloride DIS TOT DIS TOT DIS TOT DIS TOT Reporting Units Unknown S.U. ft Deg C u chrrois mg/I mV mV NTUs mg/l mg/l ug/I ug/I ug/1 ug/l ug/l ug/l ug/l ug/I ug/l ug/l mg/l ug/l ug/1 ug/I ug/l mg/l mg/l mg/l ug/l ug/l ug/l ug/l mg/l mg/l ug/l ug/l 15A NCAC 02L Standard NE 6.5-8.5 NE NE NE NE NE I NE I NE NE NE NE NE NE 1* 1 NE SO NE 700 NE 4* NE I NE 700 1 NE 2 NE NE 250 NE 10 NE 1* I NE 1 I NE 300 Sample ID sction Field Parameters Analytical Results Dample ate Colle ABMW-02 03/17/2015 Mixed (oxic-anoxic) 7.8 26.16 18 1427 0.86 -106 99 8.95 1.5 500 13 242 <1 <1 1160 1330 385 393 <1 <1 500 2220 2250 <1 <1 208 <10 7.4 <1 <1 3.25 3.48 <0.001 <0.001 1030 1430 ABMW-02 05/27/2015 Anoxic 7.4 26.79 19 1182 0.21 131 336 8.29 2 350 20 407 <1 <1 1020 1240 271 301 <1 <1 350 1710 1780 <1 <1 163 <10 5.5 <1 <1 6.46 5.12 <0.001 <0.001 3350 3440 ABMW-04 03/31/2015 Mixed (oxic-anoxic) 8.4 36.1 18 1183 1.3 -59.6 145.4 9.71 <0.5 340 42 792 6.49 6.22 441 447 301 315 <1 <1 340 3050 3080 <1 <1 150 <10 12 <1 32.6 <1 1.57 0.00179 0.0045 <10 328 ABMW-04 05/26/2015 Mixed (anoxic) 8 36.9 19 1283 0.33 231 436 8.66 <0.5 400 45 488 2.25 2.49 660 780 192 200 <1 <1 400 3620 3660 <1 <1 129 <10 13 <1 <1 <1 <1 <11.001 0.00104 202 400 ABMW-08 05/14/2015 Mixed (oxic-anoxic) 6.4 23.68 13.5 624.8 1.07 43.7 248.7 9.68 3 170 90 795 <1 <1 30.8 35.6 386 383 <1 <1 170 289 276 <1 <1 20 <10 23 <1 <1 2.43 2.72 <0.001 <0.001 81200 83400 ABMW-08 05/21/2015 Anoxic 6.6 16.3 19 744 0.43 -213 -8 9.56 4 180 172 174 <1 <1 51.1 42.4 495 489 <1 <1 180 268 263 <1 <1 23.3 <10 28 <1 <1 2.34 2.13 <0.001 <0.001 107000 108000 Prepared by: BER/SRW Checked by: KLS Notes - Bold highlighted concentration indicates exceedance of the 15A NCAC 02L Standard, Appendix 2, April 1, 2013. ORP = Oxidation Reduction Potential NA = Not analyzed DIS = Dissolved NE = Not established TOT = Total NTUs = nephelometric turbidity unit Temp = Temperature S.U. = Standard Unit DO = Dissolved Oxygen ug/I = microgram per liter Deg C = Degree Celsius umhos/cm = micro mhos per centimeter mg/I = milligrams per liter Spec Cond = Specific Conductance mg-N/L = miligram nitrogen per liter NM = Not Measured my = millivolts < = concentration not detected at or above the reporting limit. * - Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April, 1, 2013. P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 7-8 Ash Pore Water Analytical Resutls Page 1 of 2 TABLE 7-8 ASH PORE WATER ANALYTICAL RESULTS ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Analytical Parameter Lead DIS Lead TOT Magnesium TOT Manganese DIS Manganese TOT Mercury DIS Mercury TOT Methane Molybdenum DIS Molybdenum TOT Nickel DIS Nickel TOT Nitrate Cas N) Potassium TOT Selenium DIS Selenium TOT Sodium TOT Strontium DIS Strontium TOT Sulfate Sulfide Thallium DIS Thallium TOT Total Dissolved Solids Total Organic Carbon Total Suspended Solids Vanadium DIS Vanadium TOT Zinc DIS Zinc TOT Reporting Units ug/I ug/I mg/l ug/I ug/I ug/I ug/I ug/I ug/1 ug/1 ug/I ug/1 mg-N/L mg/l ug/l ug/I mg/l mg/l mg/l m! /I mg/l ug/I ug/I mg/l mg/l mg/l ug/l ug/l mg/l mg/l SSA NCAC 02L Standard NE 15 NE NE 50 NE NE NE NE NE NE 100 10 NE NE 20 NE NE NE 250 NE NE 0.2* 500 NE NE NE 0.3* NE 1 Sample ID Sample Collection Date Analytical Results ABMW-02 03/17/2015 <1 <1 57 2290 2360 '0.05 <0.05 19 250 261 1.58 2.19 '0.01 21.1 1.35 1.38 38.7 7.47 7.55 280 <10 1.09 1.18 960 0.833 9 5.51 6.3 '0.005 '0.005 ABMW-02 05/27/2015 <1 <1 45 4320 3260 <0.05 <0.05 56 172 194 2.72 2.48 0.014 17.8 <1 <1 25.2 5.26 5.86 250 <0.1 0.434 1.11 770 0.725 22 0.927 2.15 0.02 0.02 ABMW-04 03/31/2015 <1 <1 45.8 146 147 <0.05 <0.05 33 673 675 1.58 6.93 <0.01 24.4 6.99 6.75 42.6 4.1 4.21 260 <0.1 2.54 2.81 800 0.78 12 66.7 70.8 0.037 0.039 ABMW-04 05/26/2015 <1 <1 67.4 121 117 <0.05 <0.05 18 581 663 <1 1.11 0.073 20.8 <1 1.09 49.6 3.8 3.71 270 <0.1 0.568 1.03 850 0.65 11 20.9 26.9 '0.005 0.01 ABMW-08 05/14/2015 <1 <1 19.7 728 711 <0.05 <0.05 6400 2.75 1.77 1.68 1.9 0.031 14.5 3.33 2.23 10.4 1 0.973 0.48 <0.5 <0.2 <0.2 320 56 120 0.598 1.21 0.006 0.007 ABMW-08 05/21/2015 <1 <1 20.8 1020 984 <0.05 <0.05 16000 4.89 4.26 1.16 <1 0.012 13.5 1.87 1.91 13.3 1.05 1 1.02 <0.1 <4 <0.2 <0.2 350 56 160 0.788 1.14 0.007 '0.005 Prepared by: BER/SRW Checked by: KLS Notes - Bold highlighted concentration indicates exceedance of the 15A NCAC 02L Standard, Appendix 2, April 1, 2013. ORP = Oxidation Reduction Potential NA = Not analyzed DIS = Dissolved NE = Not established TOT = Total NTUs = nephelometric turbidity unit Temp = Temperature S.U. = Standard Unit DO = Dissolved Oxygen ug/I = microgram per liter Deg C = Degree Celsius umhos/cm = micro mhos per centimeter mg/I = milligrams per liter Spec Cord = Specific Conductance mg-N/L = miligram nitrogen per liter NM = Not Measured my = millivolts < = concentration not detected at or above the reporting limit. * - Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April, 1, 2013. P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 7-8 Ash Pore Water Analytical Resutls Page 2 of 2 TABLE 7-9 15A NCAC 2L STANDARD EXCEEDANCES IN ASH PORE WATER ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Analytical Parameter pH Antimony Arsenic Boron Chromium Cobalt Iron Manganese Sulfate Thallium Total Dissolved Solids Vanadium TOT TOT TOT TOT TOT TOT TOT TOT TOT Reporting Units S.U. ug/I ug/I ug/1 ug/1 ug/1 ug/1 ug/1 mg/I ug/I mg/I ug/1 15A NCAC 02L Standard 6.5-8.5 1 * 10 700 10 1 * 300 50 250 0.2 * 500 0.3 Sample ID Sample Collection Date Analytical Results ABMW-02 03/17/2015 BE BE 1330 2250 BE 3.48 1430 2360 280 1.18 960 6.3 ABMW-02 05/27/2015 BE BE 1240 1780 BE 5.12 3440 3260 BE 1.11 770 2.15 ABMW-04 03/31/2015 BE 6.22 447 3080 32.6 1.57 328 147 260 2.81 800 70.8 ABMW-04 05/26/2015 BE 2.49 780 3660 BE BE 400 117 270 1.03 850 26.9 ABMW-08 05/14/2015 6.4 BE 35.6 BE BE 2.72 83400 711 BE BE BE 1.21 ABMW-08 05/21/2015 BE BE 42.4 BE I BE 1 2.13 1 1080001 984 1 BE BE I BE 1.14 Prepared by: BER/SRW Checked by: KLS Notes• = - Bold highlighted concentration indicates exceedance of the 15A NCAC 02L Standard, Appendix 2, April 1, 2013. ug/I = microgram per liter mg/I = milligrams per liter S.U. = Standard Units * - Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April, 1, 2013. BE = indicates concentration was below the 15A NCAC 02L Standard, April 1, 2013. P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 7-9 2L Exceedances in Ash Pore Water Page 1 of 1 TABLE 7-10 VALENCE SPECIATION OF ASH PORE WATER ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Analytical Parameter As(III) As(V) MMAs DMAs As (UK) Cr(VI) Fe(II) Fe(III) Mn(II) Mn(IV) Se(IV) Se(VI) SeCN McSe(IV) SeMe Se (UK) Reporting Units ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I I ug/I ug/I Sample ID Sample collection Date Analytical Results ABMW-02 5/27/2015 2060 59.6 <1.1 <0.76 15.3 0.013 41.4 2860 3910 <0.098 0.181 1 <0.043 1 <0.048 <0.033 1 <0.033 <0.033 ABMW-04 05/26/2015 310 341 <0.27 <0.19 <0.27 <0.007 14.6 43.5 128 <0.098 0.13 1 <0.16 1 0.129 1 <0.12 1 <0.12 1 <0.12 Prepared by: BER/MAH Checked by: KLS Notes: ug/I = microgram per liter < = concentration not detected at or above the reporting limit. MMAs = monomethylarsonic acid DMAs = dimethylarsinic acid P: Duke Energy Progress.1026 102. Asheville Ash Basin GW Assessment Plan 1.11 CSA Reporting tables Table 7-10 Valence Speciation of Ash Pore Water Page 1 of 1 TABLE 8-1 SOIL SAMPLING PLAN ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC ID Target Depth Sample Interval Solid Phase Sample ID Sample Date Table 7 Parameters + TOC SPLP Index Shelby Tube HC Kd Hydrous Ferrous Oxide American Assay (Mineral Present, Chemical Composition of Oxides) AB -1 20' below ash T-5' below ash surface 2' above interface 2' below ash/soil interface 8'-10' below ash/soil interface AB -1(4'-5') 03/12/15 X AB -1(19'-20') 03/12/15 X X AB -1(24'-25') 03/12/15 X X X X AB -1(30'-31') 03/12/15 X ABMW-2 50' into BR X-5' bgs 2' above interface ABMW-2SB(2-3) 03/10/15 X ABMW-2SB(28-29) 03/10/15 X X X X 2' below ash/soil interface Undisturbed 8'-10' below ash/soil interface if ash > 30' between shallow/deep Rock core ABMW-2SB(33-34) 03/10/15 X X X ABMW-02SB(37-39.5 03/10/15 X X(Saprolite) X ABMW-2SB(40-41) 03/10/15 X ABMW-2SB(16.5-17) 03/10/15 x ABMW-02(56) 04/27/15 X AB -3 20' below ash T-5' bgs AB-3SB(3-5) 04/13/15 X X ABMW-4 50' into BR 3'-5' bgs 2' above interface 2' below ash/soil interface if ash > 30' between shallow/deep Rock core ABMW-4SB(1.5-2) 03/20/15 X X ABMW-4SB(57-59) 03/20/15 X X ABMW-4SB(63-65) 03/20/15 X X X X ABMW-4SB(27-29) 03/20/15 X X X ABMW-04SB(79) 04/27/15 X ABMW-5 50' into BR T-5' bgs 2' above interface 2' below ash/soil interface 8'-10' below ash/soil interface ABMW-5SB(2-3) 03/25/15 X X x x x ABMW-5SB(25-27) 03/25/15 X X X X ABMW-5SB(36.5-37) 03/25/15 X ABMW-5SB(12-13) 03/25/15 X ABMW-6 50' into BR 2' below ash/soil interface 8'-10' below ash/soil interface ABMW-6SB(5-7) 03/24/15 X X X X X ABMW-6SB(13-14) 03/24/15 X X ABMW-7 50' into BR T-5' bgs 2' above interface 2' below ash/soil interface 8'-10' below ash/soil interface Rock core ABMW-7SB(3-4) 04/07/15 X X X ABMW-7SB(7-9) 04/07/15 X X ABMW-7SB(14-16) 04/07/15 X X X X X ABMW-7SB(26-27) 04/07/15 X ABMW-0756(54) 04/27/15 X ABMW-8 50' into BR 3'-5' bgs 2' above interface 2' below ash/soil interface ABMW-8SB(4-5) 03/10/15 X ABMW-8SB(25-27) 03/10/15 X X X ABMW-8SB(30-31) 03/10/15 X X X A13-9 20' below ash T-5' bgs 2' above interface 2' below ash/soil interface 8'-10' below ash/soil interface if ash > 30' between shallow/deep. No recov AB-9SB(5-6) 04/06/15 X AB-9SB(33-35) 04/06/15 X X X x AB-9SB(38-39) 04/06/15 X X X X AB-9SB(46-47) 04/06/15 X AB-9SB(56-59) 04/06/15 X AS -10 20' below ash 2' below ash/soil interface 8'-10' below ash/soil interface Adjacent ash pile on surface AB-10SB(6-7) 03/25/15 X X AB -1058(14.5-15) 03/25/15 X AB-10SB(ASH) 3/25/2015 X MW -1 1st water in BR 0'-2' below ground surface 2'-3' above water table 3' below water table Saturated upper transition zone MW-1SB(1-2) 04/02/15 X MW-1SB(7-8) 04/02/15 X MW-1SB(12-13) 04/02/15 x MW-1SB(38-40) 04/02/15 X X MW -2 1st water in BR 0'-2' below ground surface 2'-3' above water table 3' below water table Saturated upper transition zone MW-2SB(1-2) 03/20/15 X MW-2SB(11-13) 03/20/15 X MW-2SB(17-19) 03/20/15 X MW-2SB(27-29) 03/20/15 X X P: Duke Energy Progress.1026 102. Asheville Ash Basin GW Assessment Plan 1.11 CSA Reporting tables Table 8-1 Soil Sampling PlanTable 8-1 Soil Sampling Plan 1 of 3 TABLE 8-1 SOIL SAMPLING PLAN ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC ID Target Depth Sample Interval Solid Phase Sample ID Sample Date Table 7 Parameters + TOC SPLP Index Shelby Tube HC Kd Hydrous Ferrous Oxide American Assay (Mineral Present, Chemical Composition of Oxides) MW -3 50' into BR 0'-2' below ground surface Saprolite Transition Zone Rock core MW-3SB(1'-2') 03/25/15 X MW -35B(20'-22') 03/25/15 X MW -35B(28'-30') 03/25/15 X X X X MW -035B(86) 04/27/15 X MW -4 50' into BR 0'-2' below ground surface 2'-3' above water table 3' below water table Saturated upper transition zone Rock core MW-4SB(2-3) 03/12/15 X MW -45B(8-10) 03/20/15 X X MW-4SB(24-25) 03/20/15 X X X X MW-4SB(37-39) 03/20/15 X X X X MW -045B(67) 04/27/15 X MW -5 50' into BR 0'-2' below ground surface Saturated upper transition zone Rock core MW-5SB(2-3) 4/25/2015 X X MW -SSB( 13-14) 4/25/2015 X X X X X MW -055B(40) 4/27/2015 X MW -6 1st water in BR 0'-2' below ground surface 2'-3' above water table 3' below water table MW-6SB(3-5) 04/10/15 X MW-6SB(8-10) 04/10/15 X X X MW-6SB(21-22) 04/10/15 X MW -7 1st water in BR 0'-2' below ground surface 2'-3' above water table 3' below water table MW-7SB(1'-2') 04/07/15 X X MW -75B(10'-11') 04/07/15 X X X MW -75B(16'-17') 04/07/15 X X X X MW -8 50' into BR 0'-2' below ground surface 2'-3' above water table Saturated upper transition zone Rock core MW-8SB(1.5 - 2) 02/27/15 X MW -85B( 36 -37 ) 02/27/15 X X X X X MW-8SB(42-43) 02/27/15 X X MW -085B(75) 04/27/15 X MW -9 1st water in BR 0'-2' below ground surface 2'-3' above water table 3' below water table Saturated upper transition zone Rock core MW-09SB(1-2) 3/31/2015 X X MW -095B(12-17) 4/14/2015 X X X X X MW -095B(19-20) 4/14/2015 X X(saprolite) X MW -095B(33-34) 4/14/2015 X MW -095B(57) 4/27/2015 X MW -11 50' into BR 0'-2' below ground surface 2'-3' above water table 3' below water table Saturated upper transition zone Rock core MW -115B( 1.5 - 2) 02/04/15 X MW-11SB( 9.5 - 10) 02/04/15 X X X MW-11SB( 13.5 - 14) 02/04/15 X MW-11SB( 26.5 - 27) 02/04/15 X X X MW -115B(57) 04/27/15 X MW -12 50' into BR 0'-2' below ground surface 2'-3' above water table 3' below water table Saturated upper transition zone Rock core MW -125B(1.5-2) 03/16/15 X MW -125B(36-38) 03/16/15 X X X X MW -125B(42-43) 03/16/15 X MW-12SB(52-54) 03/16/15 X X X MW -125B(97) 04/27/15 X MW -13 1st water in BR 0'-2' below ground surface 2'-3' above water table 3' below water table Saturated upper transition zone Primary open fracture (if present) MW-13SB( 1.5 -2) 01/29/15 X MW-13SB(14.5 - 15) 01/29/15 X MW-13SB( 22-22.5) 01/29/15 X MW-13SB(37-37.5) 01/29/15 X MW-13SB( - ) MW -14 50' into BR 0'-2' below ground surface Primary open fracture (if present) MW-14SB( 1.5 - 2) 02/03/15 X X MW -145B( 23 - 24) 02/03/15 X X X MW -15 1st water in BR 0'-2' below ground surface 3' below water table Saturated upper transition zone Rock core MW -155B( 1.5 - 2) 02/06/15 X MW-15SB( 14-14.5) 02/06/15 X MW-15SB( 33.5 - 34) 02/06/15 X MW -155B(107) 04/27/15 X P: Duke Energy Progress.1026 102. Asheville Ash Basin GW Assessment Plan 1.11 CSA Reporting tables Table 8-1 Soil Sampling PlanTable 8-1 Soil Sampling Plan 2 of 3 TABLE 8-1 SOIL SAMPLING PLAN ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC ID Target Depth Sample Interval Solid Phase Sample ID Sample Date Table 7 Parameters + TOC SPLP Index Hydrous Ferrous Shelby Tube HC Kd Oxide American Assay (Mineral Present, Chemical Composition of Oxides) MW -16 50' into BR 0'-2' below ground surface T-3' above water table 3' below water table Rock core MW-16SB(1.5 -2) 03/05/15 X MW -1658(7 -9) 03/05/15 X X X(Alluvial) X X X MW-16SB(12-13) 03/05/15 X X MW-16SB(45) 04/27/15 X MW -17 1st water in BR 0'-2' below ground surface 2'-3' above water table 3' below water table Rock core MW-17SB( 1.5- 2) 02/12/15 X MW -1758( 6.5-7 ) 02/12/15 X MW -1758(8.5 - 9) 02/12/15 X X MW-17SB(47) 04/27/15 X MW -18 1st water in BR 0'-2' below ground surface T-3' above water table 3' below water table MW-18SB(1-1.5) 4/22/2015 x X X MW-18SB(6-7) 4/22/2015 X X X X X MW-18SB( 20-22) 4/22/2015 X X X X X MW-18SB(31) 4/27/2015 X MW -19 50' into BR 0'-2' below ground surface 2'-3' above water table MW-19SB( 2-3) 6/11/2015 X MW-19SB( 5-6) 6/11/2015 X MW -20 1st water in BR 0'-2' below ground surface 2'-3' above water table MW-20SB( 2-3) 6/12/2015 X MW-20SB( 5-6) 6/12/2015 X X MW -21 1st water in BR 0'-2' below ground surface 2'-3' above water table MW-21SB( 2-3) 6/23/2015 X MW-21SB( 7-8) 6/23/2015 X X MW -22 50' into BR 0'-2' below ground surface 2'-3' above water table 3' below water table MW-22SB( 1-2) 6/23/2015 X MW-22SB( 7-8 ) 6/23/2015 X X MW-22SB( 10-11) 6/23/2015 X MW -23 1st water in BR 0'-2' below ground surface 2'-3' above water table MW-23SB( 2-3) 6/14/2015 X MW-23SB( 6-7) 6/14/2015 X X MW -24 1st water in BR 0'-2' below ground surface 2'-3' above water table 3' below water table MW-24SB( 1-2) 5/4/2015 X MW-24SB( 15-16) 5/5/2015 X X MW-24SB( 30-32) 5/5/2015 X X X X CB -01 1st water in BR 0'-2' below ground surface 2'-3' above water table 3' below water table Saturated upper transition zone CB-01SB(7-8) 4/10/2015 X CB-OISB(30-31) 4/10/2015 x CB-O1SB(40-41) 4/10/2015 X CB-O1SB(46-47) 4/10/2015 x CB -08 1st water in BR 0'-2' below ground surface 2'-3' above water table 3' below water table Saturated upper transition zone Rock core CB-08SB(2-3) 4/22/2015 X CB-08SB(21-22) 4/22/2015 X CB-08SB(27-29) 4/22/2015 X X CB -0858(34-36) 4/22/2015 X X X X CB-08SB(96) 4/27/2015 x C13-9 1st water in BR 0'-2' below ground surface 2'-3' above water table 3' below water table Saturated upper transition zone Rock core CB -95B(1'-2') 04/12/15 X CB-9SB(25'-27') 04/12/15 X X CB-9SB(34'-36') 04/12/15 x X CB-9SB(54'-55') 04/12/15 x X CB -09(97.5-98) 04/27/15 X GW -1 1st water in BR 0'-2' below ground surface 2'-3' above water table 3' below water table Saturated upper transition zone GW-1SB(1-2) 4/25/2015 X GW -158(17-18) 4/25/2015 X X GW-ISB(23-23.5) 4/25/2015 X GW -158(35-38) 4/25/2015 X Prepared by: BER MEH Checked by: KLS P: Duke Energy Progress.1026 102. Asheville Ash Basin GW Assessment Plan 1.11 CSA Reporting tables Table 8-1 Soil Sampling PlanTable 8-1 Soil Sampling Plan 3 of 3 TABLE 8-2 SOIL, SEDIMENT, AND ASH ANALYTICAL METHODS ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC INORGANIC COMPOUNDS UNITS METHOD Aluminum mg/kg EPA 6010C Antimony mg/kg EPA 6020A Arsenic mg/kg EPA 6020A Barium mg/kg EPA 6010C Beryllium mg/kg EPA 6020A Boron mg/kg EPA 6010C Cadmium mg/kg EPA 6020A Calcium mg/kg EPA 6010C Chloride mg/kg EPA 9056A Chromium mg/kg EPA 6010C Cobalt mg/kg EPA 6020A Copper mg/kg EPA 6010C Iron mg/kg EPA 6010C Lead mg/kg EPA 6020A Magnesium mg/kg EPA 6010C Manganese mg/kg EPA 6010C Mercury mg/kg EPA Method 7470A/7471B Molybdenum mg/kg EPA 6010C Nickel mg/kg EPA 6010C Nitrate as Nitrogen mg/kg EPA 9056A pH SU EPA 9045D Potassium mg/kg EPA 6010C Selenium mg/kg EPA 6020A Sodium mg/kg EPA 6010C Strontium mg/kg EPA 6010C Sulfate mg/kg EPA 9056A Thallium (low level) (SPLP Extract only) mg/kg EPA 6020A Vanadium mg/kg EPA 6020A Zinc mg/kg EPA 6010C Sediment Specific Samples Cation exchange capacity meg/100g EPA 9081 Particle size distribution Percent solids Percent organic matter % EPA/600/R-02/069 Redox potential mV Faulkner et al. 1898 Prepared by: RBI Checked by: BDW Notes• 1. Soil samples to be analyzed for Total Inorganics using USEPA Methods 6010/6020 and pH using USEPA Method 9045, as noted above. 2. Ash samples to be analyzed for Total Inorganics using USEPA Methods 6010/6020 and pH using USEPA Method 9045; select ash samples will also be analyzed for leaching potential using SPLP Extraction Method 1312 in conjunction with USEPA Methods 6010/6020. P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 8-2 Soil, Sediment and Ash COPCs and Analytical Methods.xlsx Page 1 of 1 TABLE 8-3 PHYSICAL PROPERTIES OF SOIL ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Sample ID Depth (Feet BGS) Moisture Content (%) Gravel (%) Sand (%) Silt (%) Clay (%) Specific Gravity (%) From To AB -01 24.0 25.0 9.4 17.1 59.5 18.3 5.1 2.785 MW-04SB 24.0 25.0 23.8 20.4 56.4 13.3 10.1 2.674 MW-04SB 37.0 39.0 13.3 43.3 36.9 13.2 6.6 2.825 ABMW-07 7.5 9.5 25.6 9.8 27.8 51.3 11.1 2.414 MW-07SB 1.0 2.0 20.8 9.2 53.4 17.8 19.6 2.684 MW-07SB 10.0 11.0 18.8 12.1 65.7 16.1 6.0 2.725 MW-09SB 2.0 3.0 2.7 5.8 56.2 29.0 9.0 2.895 ABMW-05 2.0 3.0 17.5 15.9 45.9 21.4 16.8 2.725 ABMW-06 5.0 7.0 19.2 29.4 48.6 17.7 4.3 2.735 MW-09SB 1.0 2.0 16.2 0.9 66.9 19.5 12.7 2.745 MW-08SB 36.0 37.0 19.6 0.0 65.0 29.0 6.0 2.705 MW-16SB 12.0 13.0 12.2 44.4 52.6 1.9 1.1 2.715 ABMW-04 63.0 65.0 15.6 4.7 69.6 17.3 8.4 2.715 MW-12SB 36.0 38.0 11.8 0.0 75.6 17.9 6.5 2.825 MW-16SB 7.0 9.0 31.2 0.0 37.3 42.5 20.2 2.674 ABMW-02 37.0 39.5 24.0 0.3 77.4 19.7 2.6 2.734 MW-08SB 32.0 32.5 29.9 0.0 66.4 26.0 7.6 2.744 MW-11SB 9.5 10.0 31.3 0.0 60.2 24.2 15.6 2.694 MW-14SB 1.5 2.0 14.3 16.5 40.8 25.0 18.0 2.764 MW-14SB 23.0 24.0 15.5 30.6 38.7 22.9 7.8 2.745 MW-17SB 7.5 8.0 22.2 12.0 53.3 24.9 9.8 2.664 Prepared by: KNS Checked by: TDP Notes: % = percent 1. *Sand, silt and clay percentages based on International Scale where sand>0.063 millimeter, 0.063 mm >silt<0.002 mm, and clay< 0.002 mm. 2. All other sand, silt and clay percentages are based on Wentworth Scale where sand>0.0625 millimeter, 0.0625 mm >silt<0.0039 mm, and clay< 0.0039 mm. P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 8-3 Physical Properties of Soil Page 1 of 1 TABLE 8-4 MINERALOGY OF SOIL ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC ID Sand Silt Clay Amphibole Biotite Calcite Chlorite Dolomite Feldspar Gibbsite Hematite Illite Kaolinite Magnetite Mullite Muscovite Quartz Sample pct pct pct pct pct pct pct pct pct pct pct pct pct pct pct pct pct MW -12 SB(52-54) 66.71 24.12 9.17 ND ND ND < 1 ND 15.0 4.0 ND 26 ND ND ND ND 56 MW -12 SB(36-38) 85.12 10.64 4.24 ND ND ND ND ND ND ND < 1 84 9.0 ND ND ND 6 ABMW-06 SB 5-7 84.60 11.98 3.42 ND ND ND 9.4 ND ND 9.2 ND 67 ND ND ND ND 14.4 MW -03 SB 28-30 79.98 17.22 2.80 ND ND ND 3.3 ND 14.3 ND ND 57.9 ND ND ND ND 24.5 ABMW-05 SB 25-27 57.48 12.44 30.08 ND ND ND 18.2 ND 4.0 ND ND 50.1 ND ND ND ND 27.6 MW -06 SB 8-10 86.98 9.72 3.30 ND ND ND 4.6 ND 5.8 ND ND 68.1 ND ND ND ND 22.4 ABMW-07 SB 14-16 81.32 13.04 5.64 ND ND ND 5.4 ND 7.3 7.9 ND 68.8 ND ND ND ND 10.6 AB -09 SB 38-39 78.18 9.56 12.26 ND ND ND 5.9 ND ND 0.5 ND 71.2 ND ND ND ND 22.3 MW -07 SB 16-17 81.70 10.62 7.68 ND ND ND 2.0 ND 14.7 0.6 ND 66.6 ND ND ND ND 16 MW -09 SB 12-17 65.16 25.36 9.48 6.1 3.5 ND 6.6 ND 8.4 ND ND 50.3 6.0 ND ND 3.0 16.4 MW-15SB 107 87.01 8.96 4.02 ND ND 1.0 ND ND 26.3 ND ND ND ND ND ND 52.7 19.4 MW-05SB 13-14 59.25 31.70 9.06 ND ND ND 6.2 ND 17.2 ND ND 5.1 ND ND ND 48.9 23.1 CB-08BR 96 85.02 10.89 4.09 ND 30.5 1.0 ND ND 13.6 ND ND ND ND ND ND 46.7 8.3 MW-08SB 75 85.18 10.91 3.90 ND 24.6 ND 7.6 ND 17.3 ND ND ND ND ND ND 40.5 10 MW-18SB 31 84.32 12.3 3.38 ND 26.1 ND 4.2 ND 40.5 ND ND ND ND ND ND ND 29.2 MW-11SB 57 91.14 6.06 2.81 ND 52.4 ND ND 0.1 37.1 ND ND ND ND ND ND ND 10.4 MW-05SB 40 85.45 11.13 3.42 ND ND ND 7.1 ND 20.9 ND ND ND ND ND ND 52.5 19.5 ABMW-02SB S6 86.1 10.49 3.41 ND 25.2 ND 5.1 ND 28.6 ND ND ND ND ND ND ND 41.2 CB -08 SB 34-36 60.96 31.34 7.7 ND 25.3 ND 0.9 0.3 25.1 1.7 ND ND ND ND ND 34.7 12 MW-18SB 6-7 86.44 9.05 4.51 1.7 ND ND 4.5 ND 4.5 1.0 ND ND ND ND ND 29.9 58.1 MW-18SB 20-22 68.22 24.84 6.94 0.8 24.6 ND 8.4 ND 26.4 ND ND ND ND ND ND ND 40.8 ABMW-04SB 79 85.24 10.64 4.12 ND 24.4 ND ND ND 9.9 ND ND ND ND ND ND 46.7 19.1 MW -24 SB 30-32 75.96 18.54 5.5 ND ND ND ND ND 8.3 7.S ND 25.1 11.3 ND ND 13.7 34.4 Prepared by: LAM Checked by: TDP Notes: pct = percent ND = Not detected P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 8-4 Mineralogy of Soil Page 1 of 1 TABLE 8-5 CHEMICAL PROPERTIES OF SOIL ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Analytical Parameter Percent Moisture pH at 25 Degrees C Aluminum Antimony Arsenic Barium Beryllium Boron Cadmium Calcium Chloride Chromium Cobalt Copper Iron Lead Magnesium Manganese Mercury Molybdenum Nickel Nitrate (as N) Potassium Selenium Sodium Strontium Sulfate Thallium Total Organic Carbon Vanadium Zinc Reporting Units % S.U. mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg Soil RSL - Industrial Health NE NE 110000 47 3 22000 230 23000 98 NE NE NE 35 4700 52000 800 NE 2600 4 Sao 2200 NE NE 580 NE 70000 NE 1.2 NE 580 35000 Soil RSL - Residential Health NE NE 7700 3.1 0.68 1500 16 1600 7.1 NE NE NE 2.3 310 5500 400 NE ISO 0.94 39 150 NE NE 39 NE 4700 NE 0.078 NE 39 2300 Soil RSL - Protection of Groundwater NE NE NE 0.27 0.29 82 3.2 NE NE NE NE 180000 NE 46 NE 14 NE NE 0.1 NE NE NE NE 0.26 NE NE NE 0.14 NE NE NE Sample ID Sample Collection Date Analytical Results AB -01 (24-25) 03/12/2015 10.1 7.2 15900 <2.8 1.9j 88.5 0.48 22.7 <0.33 165 <277 17.6 10.2 25.1 27500 4.1 4960 191 0.01 <0.55 5.4 <27.7 4350 2.6j 59.4 2.4 <277 <2.8 10900 25.2 69 AB -01 (30-31) 03/12/2015 16.9 6.3 53700 <3.1 1.6j 678 2.2 38.7 <0.37 459 <299 112 49.3 27.3 53100 25.8 14900 2190 <0.01 <3.1 48.5 <29.9 11300 3.2 <307 7.2 <299 <3.1 533j 71.4 138 AB -09 SB (38-39) 04/06/2015 16.4 7.0 32000 <6 25.5 62.8 1.4 <15.1 <0.73 582 <297 15.5 26.5 65.3 43100 11.4 3230 344 <0.0097 6.4 13.9 <29.7 2440 <6 <302 27.9 <297 <6 1510 30.3 61.8 AB -09 SB (46-47) 04/06/2015 30 7.0 20700 <7 <7 149 2.3 <17.4 <0.84 525 <356 47.5 39.7 37.5 60700 12.4 5520 942 <0.011 44.6 30.2 <35.6 4200 5.1j <348 27.4 <356 <7 1200 78 83.5 AB -09 SB (56-59) 04/06/2015 33.2 6.2 21200 <7.7 <7.7 86.7 1.4 <19.3 <0.93 152j <373 15 17.2 36.6 33600 7.6j 4660 352 <0.012 <0.77 5.6 <37.3 3270 <7.7 <386 12.4j <373 <7.7 1620 29.1 76 AB -10 SB (6-7) 03/25/2015 37.1 6.0 17800 <3.9 4.6 29.2 1.2 22.6 <0.47 <197 <394 7.9 6.8 34.4 24200 <3.9 2470 197 <0.012 <3.9 7.4 <39.4 1190 7.1 <395 <3.9 <394 <3.9 1500 14.2 57 AB -10 SB (14-15) 03/25/2015 14.2 5.3 17500 <3 6.4 70.8 1.9 26.4j <0.36 168 <286 12.6 18.4 98.9 24600 7.8 6040 266 <0.0097 <3 14.4 <28.6 4120 10.6 <296 2.1j <286 <3 2280 20.7 134 ABMW-02 SB (33-34) 03/10/2015 15.8 5.9 6880 <2.9 28.9 47.7 0.31 8.6 <0.35 192 <295 5.1 10.3 2.6 9480 9.9 1060 93.2 <0.0095 1.1 3 <29.5 1590 10.3 <58.2 10.4 <295 <2.9 <714 17.6 32.3 ABMW-02 SB (40-41) 03/10/2015 20.2 5.4 15500 <3.3 2.9j 140 0.7 13.3 <0.39 61.4 <310 10.7 59.2 9.4 17000 3.6 3580 1140 <0.01 <0.65 6.9 <31 5150 4.4 <65.4 4.8 246j <3.3 <755 36.9 60.4 ABMW-04 SB (63-65) 03/20/2015 13.1 6.3 25700 <3 2.4j 276 1.6 <29.8 <0.36 309 <280 23.9 15.4 24.5 28700 10.3 6020 266 <0.0092 <6 9.5 <28 7440 4.5 <596 7.6 <280 <3 <691 30.9 99.9 ABMW-05 SB (2-3) 03/25/2015 16.8 6.4 35600 <2.9 7 255 2.2 45 <0.35 632 <302 73.5 59.6 129 48500 15.3 9520 631 0.029 <2.9 48.5 <30.2 6480 4.2 <293 33.1 <302 <2.9 10100 62.4 90.9 ABMW-05 SB (12-13) 03/25/2015 22.8 6.1 18700 <3.3 2.7j 87.5 1.5 48.5 <0.39 484 <321 87.3 53.5 56 52600 15 2210 681 0.019 <0.65 15.7 <32.1 1790 2.7j <325 2.1 <321 <3.3 29300 81 36.8 ABMW-05 SB (25-27) 03/25/2015 43 6.4 15700 <4.4 4.7 34.1 1.1 45.2 <0.53 343 <434 15.7 8.3 40.6 49200 10.4 5490 128 <0.015 <4.4 14.7 <43.4 1860 7.1 <445 5.8 <434 <4.4 1470 11.5 74.5 ABMW-05 SB (36.5-37) 03/25/2015 23.9 7.6 19500 1 <3.3 3.1j 1 65.6 1 1 <3.3 <0.4 1 3390 <329 1 38.6 36.9 92.3 64600 1 9 16300 1 194 <0.01 1.6 39.9 <32.9 4510 4.9 437 7.3 <329 <3.3 59400 51.2 86.6 ABMW-06(5-7) 03/24/2015 18 6.3 30500 <2.9 2.2j 118 1.1 18.3 <0.35 131j <306 37.8 65.3 37.7 18000 10.8 4040 830 <0.01 <2.9 28.4 <30.6 971 3.4 <290 4.4 <306 <2.9 2490 39 51.2 ABMW-06(13-14) 03/24/2015 6.6 6.4 21200 <2.7 3.4 88.3 1.3 29.8 <0.33 607 <269 14.1 9.6 44.9 32300 4 8970 126 <0.0086 <2.7 12.5 <26.9 7790 5.6 <271 3.1 <269 <2.7 <642 21.2 83.2 ABMW-07 SB (14-16) 04/07/2015 29.1 6.7 38900 <7.2 <7.2 116 3.1 <35.8 <0.86 533 <352 24.2 206 46.9 54000 8.3 7760 2200 <0.011 42.3 42.5 <35.2 6280 3.9j <716 31 <352 <7.2 2410 39.2 161 ABMW-07 SB (26-27) 04/07/2015 12.8 5.6 25800 <5.6 S.Sj 182 <2.8 <141 <0.68 324j <290 24.8 25 67.7 46700 4.3j 11000 854 <0.0095 <11.3 26.5 <29 10200 10 <1130 <11.3 <290 <5.6 <689 38.8 130 ABMW-08 SB (30-31) 03/10/2015 12.6 6.5 14900 <3 6.3 65.8 0.75 17.9 <0.35 421 <284 21 7.6 19 19200 12.9 2220 163 0.031 0.38j 6.7 <28.4 1660 2.8j 40j 9.8 <284 <3 13500 28.7 33 CB -01 SB (7-8) 04/10/2015 13.6 5.8 14100 <2.9 <2.9 57.2 0.63 <14.3 <0.34 <143 <292 14.3 18 17.1 23400 8.8 1780 279 <0.0094 <2.9 6.9 <29.2 1730 <2.9 <286 <2.9 <292 <2.9 <695 27.3 77.3 CB -01 SB (30-31) 04/10/2015 16.5 5.8 10900 <3 2.4j 30.1 0.94 <14.9 <0.72 <149 <300 12 32.6 41.6 31700 4.6 1920 434 <0.0096 <3 4.9 <30 755 3.3 <298 <3 <300 <3 1400 44.6 51.8 CB -01 SB (40-41) 04/10/2015 15.8 5.8 10000 <3.1 4.8 55.5 1.3 <30.8 <0.74 <154 <297 13.5 42.6 34.2 26600 11.7 1950 552 <0.009 <3.1 6.3 <29.7 242j 5.9 <308 1.9j <297 <3.1 4560 20.9 42 CB -01 SB (46-47) 04/10/2015 3.3 7.3 11200 <2.7 2.7 21.1 <0.54 <27.1 <0.65 1890 <257 13.9 19.6 33.1 21900 2.8 6610 189 <0.0085 <2.7 35.4 <25.7 1280 3.7 <271 3.6 <257 <2.7 1610 17.5 64 CB -08 SB (2-3) 04/22/2015 14.1 5.7 20100 <5.6 2.9j 87.5 0.62 23.3 <0.67 185 <289 19.4 4.5j 5.6 23300 12 1110 99.5 0.029 <2.8 5.4 <28.9 785 <5.6 <280 3.1 <289 <5.6 3230 36.1 27.8 CB -08 SB (21-22) 04/22/2015 3.9 5.5 27700 <5.3 <5.3 230 1.9 32.8 <0.63 <263 <260 26.3 23.5 5.1 32300 12.6 8400 569 <0.0085 <5.3 25.1 <26 7680 3.7j <527 7.2 <260 <5.3 <624 36 149 CB -08 SB (27-29) 04/22/2015 16.3 5.8 40100 <6.1 <6.1 356 2 50 <0.73 169 <298 48.5 32.3 178 45600 21.6 13300 1020 <0.0092 <3 37.4 <29.8 12200 3.9j 158j 1.6j <298 <6.1 <716 50.3 203 CB -08 SB (34-36) 04/22/2015 5 6.3 28300 <5.5 <5.5 232 1.5 31.5 <0.66 218 <262 34.1 22.9 9.1 36400 6.3 11700 570 <0.0083 <2.8 33.3 <26.2 10300 2.8j <276 10.1 <262 <5.5 <635 31.7 130 CB -09 SB (1-2) 04/12/2015 28.8 5.2 16800 <3.6 2.3 j 49.7 0.56 <17.9 <0.43 <179 <348 38.8 20.3 13.5 40300 27.5 326 599 0.06 <3.6 2 <34.8 290j <3.6 <358 2.1 j <348 <3.6 3350 55.9 10.7 CB -09 SB (25-27) 04/12/2015 16.3 5.6 12900 <3.1 <3.1 75 1 <15.3 <0.37 <153 <303 45.1 23.7 25.6 40700 16.5 4430 1010 <0.01 <3.1 11.9 <30.3 4660 <3.1 <307 <3.1 <303 <3.1 643j 65.2 54.7 CB -09 SB (34-36) 04/12/2015 21.8 6.1 13600 <3.2 <3.2 38.5 0.92 <16 <0.38 <160 <324 21 15.4 60.9 31000 7.6 2800 694 <0.011 <3.2 5.6 <32.4 2080 <3.2 <320 <3.2 <324 <3.2 1780 28.4 57.7 CB -09 SB (54-55) 04/12/2015 26.4 5.5 24300 <3.3 4.3 .185 1.7 <16.7 <0.8 91j <342 111 32.6 27.2 48800 13.7 14900 929 <0.011 <3.3 70.5 <34.2 15600 5.1 <335 2j <342 1.8j <813 112 136 GW -01 SB(1-2) 04/25/2015 19.6 7.8 21400 <6.3 3.7 j, 157 1.2 31.4 0.51j 8500 <311 28.7 18.6 48.5 33000 48.7 7490 486 0.12 <3.1 15.5 <31.1 4750 <6.3 <313 18.1 <311 <6.3 28600 39.9 206 GW -01 SB(17-18) 04/25/2015 13.7 4.8 12900 <5.7 <5.7 91.2 0.92 18.6 <0.69 <143 <290 10 8 16.6 19900 7.5 4030 226 <0.0091 <2.9 7.3 <29 3830 <5.7 <286 <2.9 <290 <5.7 <697 24.5 72.6 GW -01 SB(23-23.5) 04/25/2015 20.6 5.6 12100 <6.2 <6.2 65.6 1.4 24.5 <0.74 <155 <313 6.1 51.5 25.9 26400 8.1 2470 631 <0.011 <3.1 8.5 <31.3 2180 <6.2 <310 <3.1 <313 <6.2 <758 12 56.6 GW -01 SB(35-38) 04/25/2015 25 5.4 40100 <6.9 <6.9 359 2.6 40.2 0.53j 186 <333 63.5 85 19.8 45000 31.7 12800 3730 <0.01 <3.5 64.4 <33.3 11300 <6.9 <345 <3.5 <333 <6.9 565j 67.2 151 MW -01 SB (1-2) 04/02/2015 16 5.0 21600 <6.2 <6.2 36.4 2.6 <62.3 <0.75 <623 <296 19.9 228 192 108000 12.5 <623 4000 0.0095j <12.5 34.8 <29.6 <1250 4.5j <1250 <12.5 <296 <6.2 9390 15.8 109 MW -01 SB (7-8) 04/02/2015 29.7 5.3 34800 <6.8 <6.8 76.1 1.9 <17 <0.81 <170 <354 20.1 85.7 68.1 53800 11.6 2810 2070 <0.011 <3.4 41.3 <35.4 2070 <6.8 <339 8.9 <354 <6.8 1290 35.3 75.4 MW -01 SB (12-13) 04/02/2015 34.6 5.1 25900 <7.3 <7.3 35 2.4 <18.2 <0.87 <182 <385 21.7 41.8 68.7 62400 8.6 3050 1530 <0.012 <3.6 14.9 <38.5 2030 <7.3 <364 1.8j <385 <7.3 1700 34.7 68.3 MW -01 SB (38-40) 04/02/2015 27 4.3 17500 <6.5 <6.5 43 1.3 <16.4 <0.79 1160 <345 12.9 25.6 76.7 57600 5.2j 8750 179 <0.011 <3.3 25.2 <34.5 4410 <6.5 <327 4.2 346 <6.5 8190 19.1 96.8 MW -02 SB (1-2) 03/20/2015 18.8 7.6 9800 <3.1 60.5 371 2.6 9.2j 0.24j 3340 <308 20.2 9.7 33.6 11200 13.4 1260 147 0.19 0.54j 13.3 <30.8 2080 8.3 225 161 <308 <3.1 80700 49.6 30.5 MW -02 SB (11-13) 03/20/2015 33.3 7.3 19100 <3.6 5 104 2.4 <35.6 <0.43 211j <374 21.1 20.4 37.2 53400 21 3240 265 <0.012 <7.1 9.4 <37.4 3830 8.9 <712 27.4 <374 <3.6 504j 57.1 84.6 MW -02 SB (17-19) 03/20/2015 18.5 5.1 9550 <3.1 <3.1 76.7 0.75 <31.4 <0.38 110 <308 17.7 8.3 4.5 11700 11.1 2980 241 <0.0097 <0.63 10.2 <30.8 3370 2.3j 58.6j 3.1 <308 <3.1 <739 25.1 40 MW -02 SB (27-29) 03/20/2015 24.4 4.8 22600 <3.4 2.6j 101 2.2 <33.6 <0.4 <336 <325 19.4 18.3 35.9 28400 7.6 6180 1 293 <0.011 <6.7 13.8 <32.5 6340 5.1 <671 <6.7 <325 <3.4 1570 29.7 133 MW -03 SB (1-2) 03/25/2015 14 4.5 16800 <3 2.9j 93.5 0.53 25.5 <0.36 102 <295 17.2 7.7 10 27000 13.1 762 135 0.024 <0.6 3.6 <29.5 687 1.9j <298 2.3 <295 <3 5550 28.8 24.1 MW -03 SB (20-22) 03/25/2015 4 5.9 24000 <2.6 3.6 136 1.6 31.3 <0.31 214 <258 12.7 16.4 46.5 32800 10.4 7800 325 <0.0085 <2.6 9.7 <25.8 5630 6 <259 5.2 <258 <2.6 4460 17.7 81.2 MW -03 SB (28-30) 03/25/2015 7.5 4.9 13900 <2.8 3.2 56.4 0.33 28.3 <0.33 437 <273 10.9 16 52.6 29900 5.4 6950 109 <0.0085 <2.7 15.9 <27.3 5480 5.3 <274 3.6 477 <2.8 4130 13.5 64.8 MW -04 SB (2-3) 03/12/2015 28.3 8.3 8700 <3.5 91.5 444 2.8 19.3 0.3j 1770 <343 20.4 9.1 39.5 6220 15.5 803 60.1 0.35 1.2 13.8 <34.3 1640 16.9 233 141 <343 <3.5 120000 58.2 22.7 MW -04 SB (8-10) 03/12/2015 24.2 6.4 10900 <3.2 16.1 166 1.3 25.1 <0.39 1130 <330 52.7 10.8 33.1 20500 12.8 1250 334 0.12 1.1 8.1 <33 1720 3.6 85.1 46 <330 <3.2 35400 39.1 28.1 MW -04 SB (24-25) 03/12/2015 25 6.2 20700 <3.4 1.8j 220 1 10.8j <0.41 246 <337 21.4 6.6 24.6 12900 4.4 4250 71.8 0.0082j <3.4 11.5 <33.7 3150 2.4j <345 3.7 <337 <3.4 3370 26.4 72.1 MW -04 SB (37-39) 03/12/2015 17.2 6.3 6580 <3 S.6 31.5 0.52j 15.9j <0.36 239j <306 4.6 5.5 68.9 19300 2.5j 2130 85.7 <0.0095 <6 8.1 <30.6 343j 10.4 <597 <6 <306 <3 7970 4.7 30.9 MW -05 SB(2-3) 04/25/2015 18.2 5.2 25500 <6.4 <6.4 90.2 0.93 31.4 <0.77 581 <306 29.3 1 16.3 18.3 33400 10.5 3630 197 0.066 <3.2 8.8 <30.6 1 1870 <6.4 1 <319 12.8 196j <6.4 2470 35.6 45.8 MW -05 SB(13-14) 04/25/2015 11 6.0 18100 <5.5 <5.5 64.3 0.7 40.1 <0.66 335 <281 14.5 9 45.7 44500 5.8 3880 210 <0.0091 <2.7 7.5 <28.1 256j <5.S <274 7.8 <281 <5.5 11900 10 36.9 MW -06 SB (3-5) 04/10/2015 22.3 5.8 17800 <3.1 <3.1 69 0.98 <15.6 <0.75 <156 <317 15 23.1 21.3 30700 6.3 4010 402 0.0052j <3.1 8.7 <31.7 2920 2.1j <312 <3.1 <317 <3.1 3040 30 63.6 MW -06 SB (8-10) 04/10/2015 20.4 5.8 21200 <3.1 <3.1 176 1 <15.6 <0.75 162 <315 16.6 20.3 25.5 29300 5 5760 286 <0.0097 <3.1 11.7 <31.5 5490 1.6j <312 2.2j <315 <3.1 392j 28.1 63.6 MW -06 SB (21-22) 04/10/2015 0.92 7.1 13000 <2.4 <2.4 101 0.5 <12.1 <0.58 892 <247 13.1 8.4 32.6 24900 12.1 6270 525 <0.0085 <2.4 9.9 <24.7 7920 <2.4 <243 6 <247 <2.4 <604 22.7 57.6 MW -07 SB (1-2) 04/07/2015 31.7 5.3 18600 <7.5 <7.5 85.9 0.79 <18.7 <0.9 268 <369 25.5 10.7 11.8 18600 14. 2210 162 0.023 0.82 9.4 <36.9 1740 <7.5 <75 2.3 <369 0.5 8260 39.4 37.4 MW -07 SB (10-11) 04/07/2015 26 6.4 13300 <7 3.6j 103 1 <17.6 <0.85 2650 <335 22.5 18.3 17 53200 25.2 6780 669 <0.011 <0.7 26.8 <33.5 1270 <7 108 19.4 <335 <7 681j 26.7 99 MW -07 SB (16-17) 04/07/2015 24 7.4 8750 <6.9 <6.9 136 0.61 <17.2 <0.82 735 <330 11.4 6.Sj 15.5 12700 5.1j 1680 257 <0.011 0.55j 3.7 <33 3140 <6.9 163 5.6 <330 <6.9 <791 17.7 33.4 MW -08 SB (1.5-2) 02/27/2015 25.6 5.4 27800 <1.3 <13.5 38.7 0.76 <33.6 <0.16 186j <331 55.1 38.1 65200 383 931 0.057 <6.7 3j <33.1 <673 <13.5 <673 <6.7 <331 <1.3 2150 75 IS MW -08 SB (36-37) 02/27/2015 19.1 5.7 19800 <1.3 4.4 199 1.9 <32.7 0.089j 450 164j 29.8 30.3 20.1 27100 10.4 9570 806 <0.0098 <6.5 16.2 <30.8 8110 7.4 <654 19.4 154j 0.76j <738 42.5 103 MW -08 SB (42-43) 02/27/2015 7.1 6.0 27600 <1.1 3.7 310 <1.3 <27.8 0.068j 1450 <268 36.3 15.7 23.4 44200 3.8 16200 459 <0.0089 <5.6 28.4 <26.8 14300 5 <555 9.7 <268 0.99j 746 55.2 132 MW -09 SB (1-2) 03/31/2015 26.3 6.4 34200 <6.7 <6.7 75.2 0.82 <16.7 <0.8 102j <338 17.8 29.6 33 39200 12.9 3000 548 0.02 <3.3 10.2 <33.8 2740 <6.7 <335 2.4j <338 <6.7 442j 48.6 55.7 MW-09SB (12-17) 04/14/2015 5.3 7.0 37000 <5.5 <5.5 351 6.9 <27.3 <0.65 768 <265 185 33.7 21.1 54600 8.7 13700 1170 <0.0088 <2.7 92.6 <26.5 7010 <5.5 <273 4.4 <265 <5.5 <634 171 98.1 MW-09SB (19-20) 04/14/2015 10.8 6.3 27300 <5.6 <5.6 288 7.5 <14.1 <0.68 1450 <280 98.7 27 17.6 37400 7.7 10800 950 <0.009 <2.8 56.9 <28 5380 <5.6 <282 6.1 <280 <5.6 <671 104 69.3 MW-09SB (33-34) 04/14/2015 9.5 7.3 24900 <5.6 <5.6 173 1 <14 <0.67 2710 <276 44.7 21 .6 153.6 17800 <5.6 14700 230 <0.0084 <2.8 81.7 <27.6 7950 <5.6 409 11.9 <276 <5.6 <663 35.4 42.8 MW-11SB(1.5-2) 02/04/2015 10.9 7.2 18100 <1 1.4j 112 0.51 20.4j <0.31 975 <247 18.5 10.1 .9 20900 7.3 5470 190 0.018 <5.2 13.6 <24.7 4470 1.6j <515 3.6j <247 <1 2030 26 62.4 MW-11SB (9.5-10) 02/04/2015 23.6 5.3 18600 1 <0.98 1 <2.5 L 86..7 0.6 1 4.1j 1 <0.29 1 145j 1 <248 1 19.5 1 5.5 1 10.3 14000 8.6 4260 120 0.018 <4.9 8.8 <24.8 2840 1 1.3j <490 <4.9 <248 <0.98 1520 36 50 P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Report! ng\tables\Table 8-5 Chemical Properties of Soil Page 1 of 2 TABLE 8-5 CHEMICAL PROPERTIES OF SOIL ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Percent Analytical Parameter Moisture pH at 25 Degrees C Aluminum Antimony Arsenic Barium Beryllium Boron Cadmium Calcium Chloride Chromium Cobalt Copper Iron Lead Magnesium Manganese Mercury Molybdenum Nickel Nitrate (as N) Potassium Selenium Sodium Strontium Sulfate Thallium Total Organic Carbon Vanadium Zinc Reporting Units % S.U. mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg Soil RSL - Industrial Health NE NE 110000 47 3 22000 230 23000 98 NE NE NE 35 4700 82000 800 NE 2600 4 580 2200 NE NE 580 NE 70000 NE 1.2 NE 580 35000 Soil RSL - Residential Health NE NE 7700 3.1 0.68 1500 16 1600 7.1 NE NE NE 2.3 310 5500 400 NE 180 0.94 39 150 NE NE 39 NE 4700 NE 0.078 NE 39 2300 Soil RSL - Protection of Groundwater NE NE NE 0.27 0.29 82 3.2 NE NE NE NE 180000 NE 46 NE 14 NE NE 0.1 NE NE NE NE 0.26 NE NE NE 0.14 NE NE NE Sample ID Sample Collection Date Analytical Results MW-11SB(13.5-14) 02/04/2015 18.6 6.7 18700 <1 <2.5 185 0.64 21.8j <0.3 859 <249 15.7 13.8 1.4j 23300 3.1 9570 285 <0.0077 <5.1 20.5 <24.9 8060 <2.5 <508 12.3 <249 0.52j <734 23.3 97.4 MW-11SB(26.5-27) 02/04/2015 17.4 6.1 16800 <1 <2.6 209 0.68 23.6j <0.31 418 <250 21.4 10.6 1.5j 24300 4.5 7310 247 <0.0078 <5.2 13.7 <25 8930 <2.6 <518 12.2 <250 0.55j <723 31.5 76.1 MW -12 SB (1.5-2) 03/16/2015 22.7 7.3 26200 <3.2 3.6 205 1.9 <32 <0.38 1390 246j 22.2 24 11.3 32500 12.5 7290 664 0.0079 j <6.4 19.7 <32 6990 5.1 <640 31.6 204j <3.2 4180 35.3 128 MW -12 SB (36-38) 03/16/2015 55 5.8 20200 <5.8 8.6 205 1.1j <57.5 <0.69 <575 <555 37.8 35.3 14.8 50400 19.3 8320 2940 <0.018 <11.5 24.2 <55.1 8410 10.6 <1150 <23 <555 <5.8 793j 73.7 116 MW -12 SB (42-43) 03/16/2015 5 5.4 6020 <2.6 4.6 54.3 1.2 <26.1 <0.31 <261 <263 6.3 48 13.8 37800 9.9 556 2440 <0.0088 <5.2 17.3 <26.3 313j 5.2 <522 <10.4 <263 <2.6 1100 34.2 17.7 MW -12 SB (S2-54) 03/16/2015 10.4 7.7 8930 <2.9 <2.9 146 0.49 <14.4 <0.34 172 <278 11.7 5.4 <5.7 16900 4.8 5230 248 <0.0091 <0.57 6.5 <27.8 5780 1.7j 201j <11.5 <278 <2.9 <669 17.9 42 MW-13SB (1.5-2) 01/29/2015 13.5 6.9 12700 <1 <2.5 36.3 0.4 36.4 <0.3 664 <248 41.7 11 21.4 36200 12.7 622 215 0.041 <0.5 3.3 <24.8 372 <2.5 <501 1.8 <248 <1 4470 45 10.7 MW-13SB(14.5-15) 01/29/2015 21 6.3 32700 <1 <2.5 172 0.89 36.2 <0.3 271 <248 34.2 9.4 11.6 39200 12.2 4890 226 0.016 <5.1 15.5 <24.8 4490 2.4j <506 <5.1 <248 <1 <756 48.7 116 MW-13SB(22-22.5) 01/29/2015 16.2 5.5 26100 <1 1.5j 209 1.8 27.3 <0.31 <255 <251 24.6 16.1 1.9j 28900 11.9 7520 336 0.005j <5.1 21.1 <25.1 7650 4.3 <510 3.2j <251 0.52j <716 39.3 192 MW-13SB(37-37.5) 01/29/2015 19.2 5.5 18800 <0.96 <2.4 158 1.7 18.3j <0.29 186j <249 14.9 6.1 4.4 18700 4.3 6040 284 <0.008 <4.8 15.4 <24.9 7100 1.8j <480 5.8 <249 <0.96 <741 15.9 85.8 MW-14SB(1.5-2) 02/03/2015 25.7 6.4 21000 <1 2.2j 113 0.72 31.1 <0.3 167j <248 36.1 31.8 66.2 32200 12.1 4840 616 0.011 <5 16.4 <24.8 3790 2.9 <503 <5 <248 <1 1580 41.5 85.6 MW-14SB(23-24) 02/03/2015 19.3 8.0 16300 <0.97 <2.4 238 0.63 28.4 <0.29 2750 <250 25.2 13 41.2 29400 3 10400 492 <0.0079 <4.9 25.3 <25 12700 1.3j <487 8.6 <250 0.83j <744 27.7 111 MW -15 SB (1.5-2) 02/06/2015 35.5 5.5 10200 <1.6 <1.6 59.9 0.98 <4 <0. 19 218 <387 7.9 5.3 4 8710 6.1 1840 161 <0.013 <0.79 4.5 <38.7 1050 <1.6 <79.2 2.3 <387 <1.6 8950 16.4 30 MW -15 SB (1.5-2) DUP 02/06/2015 19.6 5.1 8940 <1.3 <1.3 51 1 <3.2 <0. 15 210 <305 6.8 5 3.3 7570 5.9 1570 137 0.011 <0.64 3.9 <30.5 924 <1.3 <64.3 2 <305 <1.3 8330 15.5 25.7 MW -15 SB (14-14.5) 02/06/2015 14.4 5.9 12700 <1.1 <1.1 168 1.3 <2.8 <0.14 588 <292 15.4 10.7 10.9 16200 4.7 6070 231 <0.0093 <0.57 13.3 <29.2 7660 <1.1 71.3 12.4 <292 <1.1 <701 27.4 75.4 MW -15 SB (33.5-34) 02/06/2015 18.9 7.4 12800 <1.3 1.3 181 0.83 <16.2 <0. 16 2130 <308 21.4 13.5 3.3 18500 6.5 7580 473 <0.0097 <0.65 15.3 <30.8 10200 2 101 12.6 <308 <1.3 <738 27.7 83.3 MW-16SB (1.5-2) 03/05/2015 31.2 5.7 6330 <1.5 <1.5 26.4 0.41 3.9 <0.17 94 <358 5.3 2.7 2.5 6590 3.4 1310 81.2 0.0089 j <0.73 3.4 <35.8 809 <1.5 <72.7 1.2 <358 <1.5 4170 11.3 19.2 MW 16SB (7-9) 03/05/2015 30.4 5.1 16000 <1.4 1.5 62.6 1.2 <17.7 <0. 17 241 <354 15.5 5.4 8.4 14900 9.6 2600 151 0.031 <0.71 6.5 <35.4 1500 1.5 <70.6 3 <354 <1.4 3870 31.1 36.2 MW-16SB (12-13) 03/05/2015 18.5 5.9 2130 <1.2 <1.2 5.9 0.25 2.1 j <0. 14 36.1 <311 1.5 <1.2 1 3580 0.97 j 191 13.4 <0.0097 <0.59 0.65 <31.1 183 <1.2 <58.8 0.36 j <311 <1.2 865 4.1 3.2 MW -17 SB (1.5-2) 02/12/2015 27.1 6.1 11500 <1.4 3.9 58.6 0.91 <3.4 <0. 16 1070 <348 9.5 5.4 6.7 11900 9.1 2100 160 0.026 1.4 5.6 <34.8 1470 1.7 <67.9 7.1 <348 <1.4 5160 23.6 34.1 MW -17 SB (6.5-7) 02/12/2015 29.4 4.9 12300 <1.5 <1.5 61.3 0.96 <3.7 <0. 18 419 <353 9.9 5.1 2.5 14800 6.5 2770 112 0.016 <0.73 5.3 <35.3 1890 <1.5 <73.3 3.8 <353 <1.5 1680 25.4 35.4 MW -17 SB (8.5-9) 02/12/2015 11.5 5.9 6570 <1.2 <1.2 48.4 0.21 <2.9 <0. 14 292 <279 6.5 3.8 6 5920 2.5 1810 38.3 <0.0088 <0.58 4.4 <27.9 1830 <1.2 111 2.5 <279 <1.2 1140 11.4 15.5 MW -18 SB (1-1.5) 04/22/2015 19.4 5.9 9180 <6.5 <6.5 39.4 0.56 <16.2 <0.78 174 <308 8.3 3.6 j 2.7 9190 3.3 j 2220 77.2 <0.0098 <3.2 4.7 <30.8 1350 <6.5 <325 2.6 j <308 <6.5 1650 12.7 26 MW -18 SB (6-7) 04/22/2015 26.4 6.4 8870 <7.1 <7.1 37 0.5 <17.8 <0.85 181 <340 8.4 3.6j 3.4 9930 <7.1 2260 85.6 0.0086j <3.6 4.4 <34 1470 <7.1 <355 2.6j <340 <7.1 2110 14.1 26.4 MW -18 SB (20-22) 04/22/2015 1.9 7.1 14700 <4.9 <4.9 242 0.54 26.9 <0.58 2830 <254 24.8 11.8 15 28200 2.5j 8720 165 <0.0081 <2.4 15.9 <25.4 8140 <4.9 231j 10.5 <254 <4.9 <608 41.4 95.6 MW -19 (2-3) 06/11/2015 28.2 4.8 12600 <6.9 <6.9 44 0.75 <17.3 <0.83 328 <348 10.1 4.4j 4.6 11700 4.71 2460 114 <0.011 <3.5 6.5 <34.8 1060 <6.9 <347 5.7 262j <6.9 2540 17.9 36.5 MW -19 (5-6) 06/11/2015 23.6 6.5 11000 <6.6 <6.6 72.9 0.74 <16.6 <0.8 705 <322 11.6 11.6 8.1 16100 4.4j 3040 159 0.0057j <3.3 6.3 <32.2 3430 <6.6 <332 4.8 184j <6.6 2350 17.6 34.6 MW -20S (2-3) 06/12/2015 34.2 4.1 6020 <7.5 <7.5 35.5 0.41 <18.9 <0.91 178j <379 5.8 7.3j 3 5910 <7.5 1530 70.7 0.0065j <3.8 3.9 <37.9 795 <7.5 <377 3.1j 366j <7.5 3860 11.5 24 MW -20S (5-6) 06/12/2015 33.8 6.4 57900 <7.6 <7.6 179 6.1 <191 <0.92 8530 <371 93.5 <7.6 35.5 24400 <7.6 8290 1530 0.0067j <38.2 32.7 <37.1 3790j <7.6 <3820 62.7 203j <7.6 35100 9.2 87.1 MW-21SB (2-3) 06/23/2015 23.6 5.0 13300 <6.7 <6.7 62.7 0.51 <16.6 <0.8 317 <329 12.1 4.5 j 16 11800 3.7j 4090 70.2 0.024 <3.3 8.7 <32.9 975 <6.7 <333 11.4 <329 <6.7 2600 16.9 47.7 MW-21SB(7-8) 06/23/2015 22.4 5.3 41500 <6.6 4.2j 195 2.2 <32.8 <0.8 427 <307 96.2 223 42.7 79300 23.6 10500 4350 0.014 <3.3 43.7 <30.7 6200 7.4 <328 7.9 <307 <6.6 1530 82.9 159 MW -22 (1-2) 06/23/2015 16.5 5.7 15100 <5.9 3j 112 0.92 <14.7 <0.71 330 <297 17.7 9.7 9.4 17600 11.8 1740 716 0.035 <2.9 9.6 <29.7 1330 <5.9 <294 3.4 <297 <5.9 4360 25.6 33.3 MW -22 (7-8) 06/23/2015 31.9 6.0 49600 <7.6 <7.6 197 1.7 <18.9 <0.91 244 <352 47.8 13.5 23.3 58500 20.2 6810 110 0.068 <3.8 30.3 <35.2 3740 <7.6 241j 3j <352 <7.6 1580 43.2 76.5 MW -22 (10-11) 06/23/2015 19.9 5.8 17200 <6.3 <6.3 74.8 0.69 <15.7 <0.75 384 <307 17.8 14 78.6 41800 4.9j 7320 158 <0.0096 <3.1 14.1 <30.7 6250 <6.3 <315 3j 182j <6.3 3780 16.6 71.6 MW-23BR (2-3) 06/14/2015 18 4.7 13900 <6.3 <6.3 60.5 0.62 <15.7 <0.75 218 <300 17.8 4.1j 8.3 20800 10 1720 70.4 0.039 <3.1 4.9 <30 1070 <6.3 <313 3.5 <300 <6.3 3500 26.9 31 MW-23BR (6-7) 06/14/2015 13.7 5.7 11000 <5.6 <5.6 51.5 0.95 <14.1 <0.68 89.4 j <289 11.3 <5.6 9.2 18300 5.2 j 1480 67.8 0.015 <2.8 4.8 <28.9 1320 <5.6 <282 1.9 j <289 <5.6 500 j 12.9 19.6 MW-24SB(1-2) 05/04/2015 26.3 6.4 21500 <7 4.6j 125 1.9 36.6 <0.84 1020 <333 48.6 40.2 33.8 35100 37.5 5430 728 0.03 <7 21.9 <33.3 3900 7 <349 6.8 <333 <7 6940 66.4 101 MW-24SB (15-16) 05/05/2015 18.6 5.3 45500 <6.3 <6.3 347 4.4 54.9 <0.75 231j <61.5 71.7 83.4 52.6 60000 9.8 15400 725 <0.01 <6.3 27.7 <6.1 13600 4.6j <629 5.9j <61.5 <6.3 747 77.4 199 MW-24SB (30-32) 05/05/2015 36.2 6.3 NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR NR 695j NR NR Prepared by: BER/SRW Checked by: KLS Notes: Bold color highlighted concentrations indicate highest exceedance of the category listed below: - Soil RSL - Industrial Health - Soil RSL - Residential Health O- Soil RSL - Protection of Groundwater mg/kg = milligrams per kilogram NE = Not established S.U. = Standard Units % = Percent DUP = Duplicate j = indicates concentration reported below Practical Quantitation Limit (PQL), but above Method Detection Limit (MDL) and therefore concentration is estimated. < = concentration not detected at or above the reporting limit. NR = Laboratory was unable to locate sample to complete test for total metals. P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Report! ng\tables\Table 8-5 Chemical Properties of Soil Page 2 of 2 TABLE 8-6 LEACHING PROPERTIES OF SOIL ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Analytical Parameter Aluminum Antimony Arsenic Barium Beryllium Boron Cadmium Calcium Chloride Chromium Cobalt Copper Iron Lead Magnesium Manganese Mercury Molybdenum Nickel N Sra,�te Potassium Selenium Sodium Strontium Sulfate Thallium Vanadium Zinc Reporting Units ug/I ug/1 ug/I ug/I ug/1 ug/1 ug/I mg/I mg/1 ug/1 ug/I mg/1 ug/1 ug/1 mg/1 ug/1 ug/I ug/l ug/1 mg/I mg/I ug/ I mg/1 mg/I mg/1 ug/1 ug/I mg/1 ISA NCAC 02L Standard NE 1 * 10 700 4 * 700 2 NE 250 10 1 * 1 300 15 1 NE 50 1 NE 100 10 NE 20 NE NE 250 0.2 * 0.3- 1 Sample ID Sample Collection Date Analytical Results AB -01 (24-25) 03/12/2015 136 0.65 <0.5 418 <0.2 155 <0.08 0.699 <27.8 18.5 0.88 0.0124 210 2.2 0.196 174 <0.2 1.7 6.3 467 1.04 1.1 2.32 0.0102 14.6 0.13 <1 0.227 AB -10 SB (6-7) 03/25/2015 12.4 <0.5 <0.5 65.7 <0.2 55.6 <0.08 0.123 <8 <0.5 <0.5 0.0031 <50 <0.1 0.0659 11.7 <0.2 <0.5 1.7 <0.32 0.0711 <0.5 1.13 0.0025 3.3 <0.1 <1 0.0228 ABMW-02 SB (33-34) 03/10/2015 940 <0.5 5 13.1 <0.2 32.8 <0.08 1.7 <5.9 1.1 1.3 <0.001 541 0.96 0.443 192 <0.2 10.5 0.89 0.34 2.46 <0.5 1.25 0.0648 8.2 <0.1 <1 <0.005 ABMW-04 SB (63-65) 03/20/2015 107 <0.5 1.1 292 <0.2 156 <0.08 1.49 <5.8 0.89 1.4 0.0011 <50 0.79 0.451 99.1 <0.2 0.83 0.58 167 1.62 <0.5 1.94 0.0288 9.3 <0.1 1.2 0.174 ABMW-05 SB (2-3) 03/25/2015 976 <0.5 <0.5 116 <0.2 56.3 <0.08 0.325 <6 1.3 5.7 0.0016 687 0.48 0.207 118 <0.2 <0.5 1.5 <0.24 0.815 <0.5 1.53 0.01 3.9 <0.1 1.5 0.0308 ABMW-06 (5-7) 03/24/2015 <10 <0.5 <0.5 98.4 <0.2 65.5 <0.08 0.811 <6.1 <0.5 0.93 0.0036 <50 <0.1 0.35 118 <0.2 <0.5 1.7 <0.24 0.0743 <0.5 1.64 0.007 6 <0.1 <1 0.018 ABMW-06 (13-14) 03/24/2015 <10 <0.5 <0.5 118 <0.2 44.9 <0.08 0.341 <5.4 <0.5 3.3 0.0013 <50 <0.1 0.449 95 <0.2 <0.5 1.6 <0.21 1.26 <0.5 1.88 0.0052 6.6 <0.1 <1 0.0204 ABMW-07 SB (14-16) 04/07/2015 8.2 j 0.36 j <0.5 129 <0.2 97.9 0.031 j 2.43 <7.1 0.84 0.45 j <0.001 <50 <0.1 0.255 15.6 <0.2 97.6 0.27 j <0.28 1.93 <0.5 2.07 0.0598 11.7 0.019 j <1 0.039 ABMW-08 SB (30-31) 03/10/2015 35800 <0.5 13.8 204 2.2 128 0.16 2.04 16 31.5 17.7 0.0467 25400 61.5 1.42 136 <0.6 0.84 12 <0.23 3.48 1.3 7.77 0.0471 3.4 0.28 80.4 0.0407 CB -08 SB (27-29) 04/22/2015 27.4 <0.5 <0.5 75.9 <0.2 36.1 <0.08 0.169 <6 0.27 j 0.82 0.0027 16.1 j 0.14 0.083 37.4 <0.2 <0.5 0.32 j 0.24 0.14 <0.5 1.22 0.0026 3.5 <0.1 <1 0.0304 CB -09 SB (25-27) 04/12/2015 46 <0.5 <0.5 60.3 <0.2 58.8 <0.08 0.123 <6 0.96 0.13 j 0.00027 j <50 0.073 j 0.0238 10.5 <0.2 <0.5 0.37 j <0.24 0.597 <0.5 0.412 0.0012 1.7 j <0.1 <1 0.0546 CB -09 SB (34-36) 04/12/2015 78.1 <0.5 <0.5 61 <0.2 61.3 <0.08 0.284 <6.4 0.61 <0.5 <0.001 <50 <0.1 0.0387 4 <0.2 <0.5 <0.5 <0.26 0.0769 <0.5 2.09 0.0031 4 <0.1 <1 0.0094 CB -09 SB (54-55) 04/12/2015 40.1 <0.5 <0.5 79.7 <0.2 36.2 <0.08 0.257 <6.8 0.53 0.69 0.00035 j 19.3 j 0.056 j 0.103 21.5 <0.2 0.22 j 0.36 j <0.27 0.159 <0.5 1.22 0.0031 3.3 <0.1 <1 0.0208 GW -01 SB(17-18) 04/25/2015 4.4 j <0.5 <0.5 89.7 <0.2 39.1 <0.08 0.283 <5.8 0.3 j 0.52 0.0004 j <50 0.46 0.19 14.9 <0.2 <0.5 1.7 0.75 0.331 <0.5 1.17 0.0025 2.6 <0.1 <1 0.0405 MW -04 SB (8-10) 03/12/2015 564 0.56 4.2 938 0.36 183 0.24 4.33 <6.6 3.7 3.2 0.0167 184 4.6 1.02 102 <0.2 1 4.3 317 2.61 <0.5 2.26 0.517 13.6 0,74 1.9 0.247 MW -04 SB (24-25) 03/12/2015 37400 <0.5 1.9 240 0.72 114 <0.08 1.05 <6.7 18.7 1.6 0.0633 3720 6.1 0.626 27.9 <0.2 <0.5 14.4 17.6 1.73 <0.5 3.11 0.0075 3.8 0.2 28.2 0.0248 MW -04 SB (37-39) 03/12/2015 183 <0.5 0.61 409 <0.2 138 <0.08 0.791 <6 6 2.5 0.0099 134 3 0.35 54.7 <0.2 1.9 3.5 207 2.09 <0.5 2.28 0.0116 13.8 <0.1 <1 0.212 MW -05 SB(13-14) 04/25/2015 <10 <0.5 <0.5 97.2 <0.2 68.4 <0.08 0.98 <5.6 0.18 j 2 <0.001 <50 <0.1 0.267 35.8 <0.2 <0.5 0.37 j 0.26 1.34 0.6 0.965 0.01 7.1 <0.1 <1 0.0532 MW -07 SB (10-11) 04/07/2015 10.7 <0.5 <0.5 131 <0.2 74.2 <0.08 1.27 <6.8 0.31 j 1.8 <0.001 <50 <0.1 0.326 129 <0.2 12.4 0.22 j <0.27 1.45 <0.5 2.66 0.0399 9.9 <0.1 <1 0.0213 MW -08 SB (36-37) 02/27/2015 120 <0.5 <0.5 10.5 <0.2 129 <0.08 4.15 5.7 j 0.76 0.77 <0.001 176 0.12 1.1 44.4 <0.2 <0.5 <0.5 0.35 0.418 <0.5 1.21 0.0586 8.9 <0.1 <1 <0.005 MW -08 SB (42-43) 02/27/2015 17.4 <0.5 <0.5 2.7 <0.2 59.3 <0.08 0.926 <5.4 0.73 <0.5 <0.001 <50 <0.1 0.337 21.7 <0.2 <0.5 0.57 0.32 2.02 <0.5 2.69 0.005 4.8 <0.1 <1 <0.005 MW-09SB (12-17) 04/14/2015 22.3 <0.5 <0.5 120 <0.2 61.4 <0.08 0.484 <5.3 1.6 <0.5 0.00026 j <50 <0.1 0.225 2.3 <0.2 <0.5 <0.5 <0.21 0.048 j <0.5 1.85 0.006 3.2 <0.1 <1 0.0116 MW-11SB (9.5-10) 02/04/2015 47.6 <0.5 <0.5 4.1 <0.2 20.2 <0.08 0.748 <6.5 0.54 <0.5 <0.001 <50 0.38 0.39 7.3 <0.2 <0.5 <0.5 <0.26 0.127 <0.5 3.39 0.0029 4.5 <0.1 <1 <0.005 MW-11SB (26.5-27) 02/04/2015 17.6 <0.5 <0.5 0.54 <0.2 47.8 <0.08 0.158 3.1 j 0.51 <0.5 <0.001 <50 <0.1 0.112 <0.5 <0.2 <0.5 <0.5 <0.24 0.344 <0.5 3.94 <0.0005 2.9 <0.1 <1 <0.005 MW-14SB (23-24) 02/03/2015 15100 <0.5 2.8 251 0.68 7.1 <0.08 3.1 5.9 j 17.5 10.1 0.0408 20500 4 5.75 646 <0.2 1.5 15.1 <0.25 8.27 2.8 4.17 0.0198 2.41 0.42 24 0.0614 MW 16SB (7-9) 03/05/2015 4580 <0.5 <0.5 18.5 <0.2 20.4 <0.08 1.91 <7.2 2.5 0.74 0.0091 1890 1 0.621 113 <0.2 <0.5 1.2 0.42 0.509 <0.5 2.95 0.01 6.9 <0.1 3.9 <0.005 MW -18 SB (1-1.5) 04/22/2015 21500 1 2.7 193 1.4 45.2 0.11 1.64 <6.2 12 4.8 0.0053 11600 8 0.756 47 <0.2 8.2 6.3 0.36 0.788 1.6 1.43 0.0213 5.2 0.19 19.9 0.11 MW -19 (2-3) 06/11/2015 662 0.18j 0.38 j 254 1.4 103 0.38 2.59 <7 4 2.6 0.002 51.5 0.76 0.21 389 <0.2 0.56 5.5 <0.28 1.49 0.54 1.88 0.0547 22.3 0.23 0.47 j 0.19 MW -205 (2-3) 06/12/2015 313 <0.5 0.24 j 342 0.91 98.5 0.53 2.4 <7,6 1.4 11.9 0.0033 15.3 j 0.39 0.301 206 <0.2 0.31 j 4.1 <0.3 0.543 1.4 1.95 0.0689 17.8 0.11 0.39 j 0.147 MW-21SB (7-8) 06/23/2015 4790 <5 <5 36 j <2 141 <0.8 0.367 j <6.4 7.8 121 0.0067 j 14300 5.4 0.545 3080 <0.2 <5 5.9 0.39 0.245 j <5 17.3 0.0026 j 8.4 1 6.6 j <0.05 MW -22 (7-8) 06/23/2015 38.4 j <5 <5 3.7 j <2 <50 <0.8 0.487 <7,3 <5 <5 <0.01 <500 37.2 0.0953 j <5 <0.2 1.4 j <5 0.44 0.205 j <5 7.65 <0.005 15.7 <1 <10 <0.05 MW-23BR (2-3) 06/14/2015 44.4 <0.5 0.14 j 139 0.11 j 88.4 0.1 0.442 <6.1 1.7 0.89 0.00086 j 17.3 j 0.12 0.228 24 <0.2 0.27 j 1.1 <0.24 0.316 <0.5 2.28 0.0062 5.5 0.095 j <1 0.0888 MW-24SB (15-16) 05/05/2015 92.3 <0.5 <0.5 122 <0.2 74.7 <0.08 0.301 <6.1 0.52 1.3 0.00065 j 133 0.08 j 0.191 31.7 <0.2 <0.5 0.35 j 0.3 0.144 <0.5 2.19 0.0047 3.9 <0.1 <1 0.0311 MW-24SB (30-32) 05/05/2015 4.4 j <0.5 <0.5 93.5 <0.2 36.1 <0.08 0.291 1 <7.8 0.48 j 1 1.4 1 0.0031 <50 0.16 1 0.248 85.8 <0.2 <0.5 0.56 0.39 0.414 <0.5 1.4 0.0043 4.8 <0.1 <1 0.019 Prepared by: BER/SRW Checked by: KLS Notes: = Bold highlighted concentration indicates exceedance of the 15A NCAC 02L Standard, Appendix 2, April 1, 2013. mg/I = milligrams per liter ug/I = microgram per liter NE = Not established j = indicates concentration reported below Practical Quantitation Limit (PQL), but above Method Detection Limit (MDL) and therefore concentration is estimated. < = concentration not detected at or above the reporting limit. * - Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April, 1, 2013. Synthetic Precipitation Leaching Procedure, USEPA Method 1312 P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 8-6 Leaching Properties of Soil Page 1 of 1 TABLE 8-7 WHOLE ROCK METAL OXIDE ANALYSIS OF SOIL ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Sample ID A1203 BaO Cao Cr203 Fe203 K20 Mg0 MnO Na20 P201 Si02 SrO Ti02 V201 1-01 pct pct pct pct pct pct pct pct pct pct pct pct pct pct pct MW -12 SB(52-54) 10.23 0.07 0.42 0.03 3.14 1.11 0.47 0.03 0.37 0.02 69.38 <0.01 0.41 <0.01 2.40 MW -12 Sb(36-38) 19.62 0.07 0.20 0.04 9.32 1.39 1.13 0.22 0.19 0.11 55.35 <0.01 0.45 0.01 6.45 ABMW-06 SB 5-7 18.14 0.02 0.38 0.04 8.96 0.63 3.28 0.15 0.20 0.26 64.95 <0.01 0.76 0.01 7.26 MW -03 SB 28-30 14.59 0.06 0.94 0.03 6.03 0.87 2.00 0.07 0.87 0.23 74.05 0.02 0.72 <0.01 3.10 ABMW-05 SB 25-27 23.81 0.07 0.31 0.03 5.23 1.72 2.33 0.10 0.50 0.12 60.03 0.01 0.81 0.01 5.80 MW -06 SB 8-10 13.23 0.08 0.12 <0.01 3.17 1.03 1.32 0.04 0.65 0.11 72.71 <0.01 0.75 <0.01 0.12 ABMW-07 SB 14-16 29.33 0.06 0.02 <0.01 6.68 1.40 2.67 0.15 0.22 0.42 48.38 <0.01 1.11 0.02 0.02 AB -09 SB 38-39 23.03 0.10 0.02 0.01 3.16 1.40 0.85 0.08 0.30 0.24 63.66 <0.01 1.00 0.01 0.02 MW -07 SB 16-17 15.21 0.08 0.52 <0.01 3.80 1.40 0.97 0.09 0.99 0.28 74.41 0.01 1.08 <0.01 0.52 MW -09 SB 12-17 19.21 0.10 5.37 0.02 8.96 0.64 4.23 0.13 0.25 0.07 54.86 0.02 0.95 0.03 5.32 MW-15SB 107 19.09 0.18 2.63 0.08 4.31 2.74 1.73 0.07 1.66 0.42 66.92 0.04 0.51 <0.01 2.11 MW-05SB 13-14 27.57 0.13 0.38 0.13 8.02 1.93 2.43 0.07 0.32 0.13 53.32 0.01 1.07 0.02 7.25 CB-08BR 96 18.30 0.15 2.56 0.08 7.13 1.50 2.58 0.10 0.98 0.24 54.58 0.03 0.88 0.02 2.87 MW-08SB 75 19.11 0.15 3.06 0.10 8.86 1.44 3.09 0.06 0.96 0.43 59.18 0.03 1.09 0.02 1.90 MW-18SB 31 17.27 0.07 3.81 0.13 6.39 1.75 1.91 0.05 1.67 0.34 59.81 0.05 0.69 0.01 0.27 MW-11SB 57 14.90 0.10 2.90 0.11 6.81 1.76 2.22 0.04 1.30 0.28 60.02 0.04 0.96 0.02 0.51 MW-05SB 40 24.64 0.08 1.40 0.16 10.82 1.30 3.24 0.13 0.48 0.44 49.14 0.02 1.12 0.02 5.94 ABMW-02SB 56 11.69 0.04 2.67 0.05 4.84 1.38 0.89 0.11 1.46 0.19 73.82 0.03 1.08 <0.01 0.08 CB -08 SB 34-36 22.10 0.19 1.25 0.13 10.76 1.08 3.19 0.13 1.00 0.26 54.79 0.03 1.22 0.02 3.11 MW-18SB 6-7 11.75 0.08 1.13 0.09 3.86 1.38 0.69 0.04 0.80 0.08 72.15 0.02 0.71 <0.01 2.19 MW-18SB 20-22 15.21 0.07 2.84 0.08 7.19 1.26 1.87 0.04 1.38 0.32 63.78 0.04 0.90 0.01 1.38 ABMW-04SB 79 13.40 0.15 1.55 0.05 3.98 1.69 0.66 0.05 1.25 0.21 69.84 0.02 0.96 j <0.01 j 0.54 MW -24 SB 30-32 14.20 0.09 0.84 0.63 5.77 1.79 2.29 0.09 0.40 0.17 69.64 0.01 1.06 1 <0.01 1 4.09 Prepared by: LAM Checked by: TDP Notes: pct = percent ND = Not detected P: Duke Energy Progress.1026 102. Asheville Ash Basin GW Assessment Plan 1.11 CSA Reporting tables Table 8-7 Whole Rock Metal Oxide Analysis of Soil Page 1 of 1 TABLE 8-8 WHOLE ROCK ELEMENTAL ANALYSIS OF SOIL ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Prepared by: LAM Checked by: TDP Notes: mg/kg = milligrams per kilogram ND = Not detected < = concentration not detected at or above the reporting limit. P: Duke Energy Progress. 1026 102. Asheville Ash Basin GW Assessment Plan 1.11 CSA Reporting tables Table 8-8 Whole Rock Elemental Analysis of Soil Page 1 of 1 As Cd Ce Co Cu Ga La Mo Ni Pb Sb Se Sn W Zn Zr Sample ID mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg MW -12 SB(52-54) 17 <0.2 8 12 9 10 16 1 13 18 <1 2 4 1 69 3 MW -12 Sb(36-38) <1 <0.2 85 40 34 22 70 1 36 14 2 3 <1 <1 123 27 ABMW-06 SB 5-7 <1 <0.2 135 47 52 26 79 1 56 21 1 <1 <1 <1 98 6 MW -03 SB 28-30 <1 <0.2 148 28 34 24 64 1 14 24 <1 4 1 1 97 7 ABMW-05 SB 25-27 <1 <0.2 328 36 72 40 143 <1 43 32 <1 4 <1 <1 113 3 MW -06 SB 8-10 4 <0.2 5 17 29 15 34 <1 23 11 1 <1 2 1 63 12 ABMW-07 SB 14-16 5 <0.2 22 86 73 40 290 34 50 11 1 <1 3 2 183 16 AB -09 SB 38-39 120 0.2 23 23 36 31 231 10 24 15 2 <1 2 39 57 11 MW -07 SB 16-17 3 0.5 24 20 29 17 91 1 24 16 1 <1 <1 2 182 15 MW -09 SB 12-17 2 0.2 49 47 16 12 15 7 98 21 1 <1 2 <1 99 8 MW-15SB 107 4 <0.2 107 14 12 28 42 <1 32 18 <1 <1 3 <1 99 5 M W-05SB 13-14 2 <0.2 110 14 57 24 31 3 12 10 <1 <1 3 <1 152 12 CB-08BR 96 2 <0.2 139 22 8 23 55 1 32 14 <1 1 5 1 145 5 MW-08SB 75 4 1.7 201 30 14 27 83 4 35 14 <1 <1 16 2 161 6 MW-18SB 31 <1 <0.2 118 18 18 19 47 8 77 12 <1 <1 2 <1 122 4 MW-11SB 57 <1 <0.2 129 22 8 18 51 4 91 17 <1 <1 15 <1 150 6 MW-05SB 40 <1 <0.2 192 42 73 24 69 6 89 12 <1 3 2 <1 200 9 ABMW-02SB 56 2 <0.2 131 16 10 12 51 1 17 13 <1 <1 <1 <1 108 10 CB -08 SB 34-36 <1 <0.2 285 37 13 22 213 2 72 15 1 <1 3 2 391 4 M W-18SB 6-7 <1 <0.2 67 14 13 14 29 5 40 19 <1 <1 2 <1 52 20 MW-18SB 20-22 1 <0.2 178 22 12 18 73 3 30 9 <1 <1 2 2 156 8 ABMW-04SB 79 <1 <0.2 102 13 9 15 38 2 14 25 <1 <1 <1 <1 89 6 MW -24 SB 30-32 1 <0.2 108 28 37 17 42 1 40 16 <1 <1 2 1 120 24 Prepared by: LAM Checked by: TDP Notes: mg/kg = milligrams per kilogram ND = Not detected < = concentration not detected at or above the reporting limit. P: Duke Energy Progress. 1026 102. Asheville Ash Basin GW Assessment Plan 1.11 CSA Reporting tables Table 8-8 Whole Rock Elemental Analysis of Soil Page 1 of 1 TABLE 9-1 SEDIMENT ANALYTICAL RESULTS ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Analytical Parameter Percent Moisture pH at 25 Degrees C Aluminum Antimony Arsenic Barium Beryllium Boron Cadmium Calcium Chloride Chromium Cobalt Copper Iron Lead Magnesium Manganese Mercury Molybdenum Nickel Nitra[e itN) (asCarbon Potassium Selenium Sodium Strontium Sulfate Thallium Total Organic Vanadium Zinc Reporting Units % S.U. mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg Soil RSL- Industrial Health NE NE 110000 47 3 22000 230 23000 98 NE NE NE 35 4700 82000 Boo NE 2600 4 580 2200 NE NE 580 NE 70000 NE 1.2 NE 580 35000 Soil RSL - Residential Health NE NE 7700 3.1 0.68 1500 16 1600 7.1 NE NE NE 2.3 310 5500 400 NE 180 0.94 39 150 NE NE 39 NE 4700 NE 0.078 NE 39 2300 Soil RSL - Protection of Groundwater NE NE NE 0.27 0.29 82 3.2 NE NE NE NE 180000 NE 46 NE 14 NE NE 0.1 NE NE NE NE 0.26 NE NE NE 0.14 NE NE NE Sample ID Sample Collection Date Analytical Results A-01 04/02/2015 77.4 6.2 10900 <22.8 <22.8 97.9 1.9 <57.1 <2.7 1420 591j 12 <22.8 6.1 17900 <22.8 2410 238 0.16 <11.4 6.4 <111 1280 <22. <1140 12.3 <1110 <22.8 62300 17.6j 46.5 B-01 04/01/2015 45.1 6.4 6430 <4.5 <4.5 47.9 0.8 28.7 <0.54 2840 526 11 9.7 7.9 13900 6.4j 1710 398 0.21 <4.5 10 <45.4 707 2.8j <453 26 552 <4.5 9630 12.9 27.4 C-01 04/01/2015 79.3 6.4 17700 <23.9 108 152 1.8j 126 1.8j 3930 675j 16.5 31.7 28.6 77500 17.2j 2790 1060 0.041 86.6 22.1 <123 1590j 32 <2390 56.4 721j <23.9 56400 42.3 113 C-02 04/06/2015 1 38.1 6.7 12800 12 463 2380 2.7j <199 9.5 1870j <410 <19.9 455 149 16600 16.1 1710j 34600 0.0074j 491 219 <41 2110j 27.3 <3990 194 357j 9.8 22300 306 320 D-01 04/01/2015 42.9 6.2 12100 <4.2 2.8 j 56.2 1.1 <21.2 <0.51 942 <433 10.3 4.4 5.7 11100 5.6 j 2370 225 0.015 3.7 j 6.6 <43.3 1040 2.2 j <425 6.7 282j <4.2 10700 19 30.5 E-01 04/01/2015 70.5 6.8 15000 <8.1 <8.1 1 100 1.4 1 40.6j <0.98 1 1730 <843 1 11.8 9.3 1 18.2 39400 12.7j 2530 831 0.031 1 <8.1 7.9 <84.3 1740 1 5.4j <813 18.2 521j <8.1 62700 21.4 70.8 F-01 04/01/2015 56.2 5.4 8710 <5.5 11.5 66.9 0.83 36 <0.66 1080 <567 12.3 12.5 10.5 36800 8.2j 1890 735 0.038 <5.5 6.4 <56.7 1210 13 <548 11.2 508j <5.5 22000 14.7 42.1 F-02 04/01/2015 28.6 6.1 5870 <7.2 <7.2 28.7 0.39 <18.1 <0.87 772 <340 5.5 <7.2 3.1 6590 3.7 j 1350 55.5 0.0085 j <3.6 3.1 <34 588 <7.2 <362 4.1 <340 <7.2 15200 9.5 16.7 FB -01 06/02/2015 30.2 6.0 4660 <6.9 <6.9 41.4 0.47 <17.7 <0.83 552 <358 4.4 <6.9 3.8 6190 4.5 j 1030 324 0.021 <3.5 3 <35.5 870 <6.9 <354 5.1 <358 <6.9 2220 7.9 27 FB -01 DUP 06/02/2015 29.8 5.9 2500 <7.2 <7.2 17.5 0.21 j <17.4 <0.87 121j <356 3.6 <7.2 2.2 3320 <7.2 539 110 0.014 <3.5 1.7 j <35.5 490 <7.2 <349 <3.5 <356 <7.2 1470 6.1 j 18.6 FB -02 06/02/2015 25.7 6.1 1720 <6.6 <6.6 13.6 <0.34 <17.2 <0.79 124j <336 2.6 <6.6 1.5 j 2500 <6.6 319 179 0.018 <3.4 1.2 j <33.3 327j <6.6 <345 <3.4 <336 <6.6 1080 5.1 j 11.7 K-01 04/06/2015 77.6 5.2 16200 <23.3 12.8 j 101 1.2j 1 <58.1 <2.8 11660 <1100 1 34.1 19.5j 22.2 24900 21.5j 2590 1070 0.043 1 <11.6 12.8 <110 1520 1 19.2j <1160 23.5 673j <23.3 54700 39.3 68.8 M-01 04/06/2015 21.2 6.4 13400 <6.4 <6.4 80.7 0.77 <15.9 <0.76 643 <318 29.6 40.5 13.7 27800 7.3 2980 1150 0.031 <3.2 12.9 <31.8 2140 9.7 <319 5.5 159j <6.4 3320 27.6 51.3 P-01 04/02/2015 77.4 6.8 31900 <22.3 <22.3 300 2.5 <55.8 <2.7 2640 <1090 44.5 58.1 39 62000 21.9j 5840 3320 0.082 <11.2 22.6 <109 4310 <22.3 <1120 35.7 <1090 <22.3 56300 57.1 197 P-01 DUP 04/02/2015 35.8 6.4 9900 <7.5 <7.5 96 0.8 <18.7 <0.9 870 <387 20.6 16.5 11.8 21000 6.6j 1680 960 0.03 <3.7 7.7 <38.7 1270 <7.5 <373 12 <387 <7.5 15800 18.5 61.2 SW -01 04/02/2015 52.2 4.3 11900 <9.9 <9.9 113 0.8 <24.9 2.7 698 <527 27.2 10.5 13 23400 9.4j 3480 375 0.033 <5 9.6 <52.7 2870 <9.9 <497 5.3 <527 <9.9 6370 21.8 83.4 SW -04 04/02/2015 83.3 6.1 17600 <28.6 <28.6 204 2.8 <71.4 <3.4 5250 962j 19.2 20.1j 22.1 43800 19.1j 3480 345 <14.3 10.8 <148 2140 28.7 <1430 40.4 <1480 <28.6 131000 35.5 93.9 SW -05 04/06/2015 29.8 6.8 8830 <7.1 29.8 177 1 1 <17.8 <0.86 1850 <351 8.7 12.7 11.5 12600 5.6j 2360 325 10.059 1.9j 12 <35.1 1 3690 <7.1 <357 35.7 182j <7.1 22800 29.4 50.3 SW -05 DUP 04/06/2015 19.5 7.0 3960 <6.1 Sj 40.2 0.32 <15.3 <0.74 1520 <304 2.3 <6.1 5.5 7200 <6.1 1570 174 <0.0095 <3.1 2.1 <30.4 2580 <6.1 <306 6.8 <304 <6.1 2320 10.8 24 SW -06 04/09/2015 29.5 6.5 2370 <6.7 <6.7 21.9 0.14 3.4 <0.81 190 <348 6 <6.7 4.3 4690 <6.7 765 86.2 0.0099j <0.67 2.4 <34.8 749 <6.7 <67.3 1.8 <348 <6.7 2070 8 25.2 SW -07 04/09/2015 31.4 5.6 5790 <7.2 <7.2 37.6 1.1 <17.9 <0.86 190 <360 22.6 7.4 13.8 23800 10.3 1830 99.9 <0.011 2 6.5 <36 1600 <7.2 <71.8 1.5 <360 <7.2 4650 23.9 47.2 SW -07 DUP 04/09/2015 38.1 5.7 8290 <8.5 <8.5 70.1 0.94 <21.1 <1 326 <406 37.8 10.1 17.5 18300 11.7 3690 141 <0.013 3.9 13.1 <40.6 3200 <8.5 <84.5 2.5 <406 <8.5 6380 29.4 69.6 Prepared by: BER/SRW Checked by: KLS Notes: Bold color highlighted concentrations indicate highest exceedance of the EPA Region 9 Regional Screening Level Summary Table, lune 2015, for the category listed below - Soil RSL - Industrial Health - Soil RSL - Residential Health EM- Soil RSL - Protection of Groundwater mg/kg = milligrams per kilogram NE = Not established S.U. = Standard Units = Percent j = indicates concentration reported below Practical Quantitation Limit (PQL), but above Method Detection Limit (MDL) and therefore concentration is estimated. < = concentration not detected at or above the reporting limit. P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1:11 CSA Reporting\tables\Table 9-1 Sediment Analytical Results Page 1 of 1 TABLE 9-2 SEEP ANALYTICAL RESULTS ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Analytical Parameter PH Temp SpecAluminum Cond DO ORP Eh Turbidity Flow Alkalinity DIS Aluminum TOT Antimony DIS Antimony TOT Arsenic DIS Arsenic TOT Barium DIS Barium TOT Beryllium DIS Beryllium TOT ei- carbonate Alkalinity Boron DIS Boron TOT Cadmium DIS Cadmium TOT Calcium TOT Carbonate Alkalinity Chloride Chromium DIS Chromium TOT Cobalt DIS Cobalt TOT Copper DIS Copper TOT Iron DIS Iron TOT Reporting Units S.U. Deg C u/cros mg/I mV mV NTU MGD mg/I ug/I ug/I ug/I ug/l ug/I ug/I ug/I ug/l ug/I ug/I mg/I ug/I ug/I ug/I ug/1 mg/l mg/I mg/I ug/l ug/I ug/l ug/I mg/l mg/I ug/l ug/l 15A NCAC 02L Standard 6.5-8.5 NE NE NE NE NE NE NE NE NE NE NE 1. NE SO NE 700 NE 4* NE NE 700 NE 2 NE NE 250 NE 10 NE 1. NE 1 NE 300 SSA NCAC 02B Standard 6-9 NE NE NE NE NE NE NE NE NE 87 NE 640 NE 10 NE 200000 NE 6.5 NE NE NE NE 2 NE NE 230 NE 50 NE 4 NE 0.007 NE NE Sample ID Sample Collection Date Field Parameters Analytical Results A-01 04/02/2015 6.1 12 1362 9.42 53 257.8 12.5 0.020732 <10 20 3210 <1 <1 <1 <1 159 184 <1 1 <10 1510 1460 <1 <1 46.3 <10 100 <1 2.88 1.71 3.23 <0.001 0.00183 350 5670 B-01 04/01/2015 7.1 20 1619 9 38 242.5 20.4 0.081161 36 <5 468 <1 <1 <1 <1 115 119 <1 <1 36 4010 4200 <1 <1 296 <10 510 <1 <1 <1 <1 <0.001 <0.001 31 879 C-01 04/01/2015 7.1 16 1478 9.8 -44 161.2 6.66 0.100818 76 11 735 <1 <1 <1 <1 46 48 <1 <1 76 1750 1730 <1 <1 158 <10 120 <1 <1 16 16.9 '0.001 <0.001 292 1360 C-02 04/06/2015 6.5 15 1451 7.28 220 425.3 1.04 0.063496 80 7 137 <1 <1 <1 2.02 40 44 <1 <1 80 1880 1860 <1 <1 164 <10 130 <1 <1 22.2 21.7 <0.001 <0.001 42 308 D-01 04/01/2015 6.4 15 1632 6.5 -21 183.7 3.67 0.0146488 54 17 74 <1 <1 <1 <1 72 73 <1 <1 54 1450 1460 <1 <1 94.4 <10 93 <1 <1 1.51 1.72 <0.001 <0.001 896 1220 E-01 04/01/2015 6.8 20 1119 8.8 -13 191.7 4.42 0.010906 25 <5 176 <1 <1 <1 <1 64 65 <1 <1 25 682 676 <1 <1 39.5 <10 31 <1 <1 <1 1.01 <0.001 <0.001 398 1340 F-01 04/01/2015 6.0 14 1369 9.1 57 262.1 5.8 0.100334 <.10 22 1 200 <1 <1 <1 <1 52 51 <1 <1 '10 871 862 <1 <1 36.4 <10 19 <1 <1 1.29 1.61 <0.001 <0.001 825 1890 F-02 04/01/2015 5.5 13 1343 6.7 141 345.5 5.03 0.002716 13 27 49 <1 <1 <1 <1 42 42 <1 <1 13 383 395 <1 <1 40.2 <10 14 <1 <1 <1 <1 <0.001 <0.001 549 688 K-01 04/06/2015 6.3 13 1254 6.62 33 237.8 1.66 0.011869 <10 16 117 <1 <1 <1 <1 47 47 <1 <1 <10 991 967 <1 <1 30 <10 13 <1 <1 1.45 1.41 <0.001 <0.001 153 356 M - O1 04/06/2015 6.4 13 1284 7.7 89 294.2 2.05 0.002225 11 <5 26 <1 <1 <1 <1 39 44 <1 <1 11 855 775 <1 <1 38 <10 13 <1 <1 <1 <1 <0.001 <0.001 16 145 P-01 04/02/2015 7.0 13 864 9.8243 247.8 9.12 0.068702 15 27 335 <1 <1 <1 <1 30 32 <1 <1 15 52 51 <1 <1 7.05 <10 9.3 <1 <1 <1 <1 <0.001 <0.001 173 746 P-01 DUP 04/02/2015 7.0 13 864 9.82 43 247.8 9.12 NM 15 26 348 <1 I<1 <1 <1 1 29 32 1 <1 <1 15 1 53 51 1 <1 <1 6.79 <10 1 9.3 <1 I <1 I <1 <1 <0.001 <0.001170 765 Prepared by: BER/SRW Checked by: KLS Notes - Bold highlighted concentration indicates exceedance of the 15A NCAC 02L Standard, Appendix 2, April 1, 2013. - Bold highlighted concentration indicates exceedance of the 15A NCAC 02B Standard, May 15, 2013. ORP = Oxidation Reduction Potential ng/I = nanogram per liter DUP = Duplicate DIS = Dissolved NA = Not analyzed TOT = Total NE = Not established Temp = Temperature NTU = nephelometric turbidity unit DO = Dissolved Oxygen S.U. = Standard Unit Deg C = Degree Celsius ug/I = microgram per liter mg/I = milligram per liter umhos/cm = micro mhos per centimeter mg-N/L = milligram nitrogen per liter Spec Cond = Specific Conductance mV = millivolts NM = Not Measured < = concentration not detected at or above the reporting limit. * - Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April, 1, 2013. P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 9-2 Seep Analytical Results Page 1 of 2 TABLE 9-2 SEEP ANALYTICAL RESULTS ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Analytical Parameter Lead DIS Lead TOT Magnesium TOT Manganese DIS Manganese TOT Mercury TOT Methane Molybdenum DIS Molybdenum TOT Nickel DIS Nickel TOT Nitrate (as N) Potassium TOT Selenium DIS Selenium TOT Sodium TOT Strontium DIS Strontium TOT Sulfate Sulfide Thallium DIS Thallium TOT Total Dissolved Solids Total Organic Carbon Total Suspended Solids Vanadium DIS Vanadium TOT Zinc Zinc DIS TOT Reporting Units ug/I ug/I mg/l ug/I ug/I ng/L ug/l ug/I ug/I ug/I ug/I mg-N/L mg/I ug/I ug/I mg/I mg/l mg/I mg/I mg/I ug/I ug/I mg/I mg/I mg/I ug/I ug/I mg/I mg/I 15A NCAC 02L Standard NE 15 NE NE 50 1000 NE NE NE NE 100 10 NE NE 20 NE NE NE 250 NE NE 0.2- 500 NE NE NE 0.3- NE 1 SSA NCAC 02B Standard NE 25 NE NE NE 12 NE NE 2000 NE 88 NE NE NE 5 NE NE 40 NE 0.00021 NE 0.47 NE NE NE NE NE NE 0.05 Sample ID Sample Collection Date Analytical Results A-01 04/02/2015 <1 2.26 19.3 483 552 36.7 <10 <1 <1 <1 2.99 0.91 2.57 5.16 6.18 9.56 0.308 0.31 72 <0.1 <0.2 <0.2 450 2.7 51 <0.3 3.61 0.005 0.02 B-01 04/01/2015 <1 <1 60.6 54 92 10.4 <10 <1 <1 2.03 2.58 0.124 6.49 <1 <1 14.9 2.25 2.32 260 <0.1 <0.2 <0.2 2200 1.1 21 <0.3 0.804 <0.005 <0.005 C-01 04/01/2015 <1 <1 39.8 7060 7210 1.04 <10 109 115 10 10.7 0.194 7.37 2.46 2.64 24 1.82 1.9 360 <0.2 <0.2 <0.2 880 0.8 13 <0.3 1.08 0.006 0.009 C-02 04/06/2015 <1 <1 41.1 8470 8390 1.54 <10 133 133 12.3 12.4 0.225 7.78 2.87 2.56 22.7 2.13 2.15 400 <0.5 <0.2 <0.2 920 0.535 6 <0.3 1.26 <0.005 <0.005 D-01 04/01/2015 <1 <1 24.9 1460 1500 <0.5 <10 <1 <1 <1 <1 0.029 3.34 <1 <1 28 0.464 0.467 220 <0.1 <0.2 <0.2 570 1.2 7 <0.3 <0.3 0.011 <0.005 E-01 04/01/2015 <1 <1 12.3 2270 2220 3.62 12 <1 <1 <1 <1 <0.01 3.97 <1 <1 26.7 0.31 0.303 140 <0.1 <0.2 <0.2 310 2.7 110 <0.3 0.333 <0.005 <0.005 F-01 04/01/2015 <1 <1 13.9 908 928 1.69 <10 <1 <1 <1 <1 0.062 2.59 <1 <1 17.9 0.27 0.267 150 <0.1 <0.2 <0.2 290 0.893 13 <0.3 0.38 0.008 0.005 F-02 04/01/2015 <1 <1 14 155 156 0.623 <10 <1 <1 <1 <1 0.035 1.73 <1 <1 12 0.18 0.187 150 <0.1 <0.2 <0.2 290 3 <5 <0.3 <0.3 <0.005 <0.005 K-01 04/06/2015 <1 <1 11 630 618 2.8 <10 <1 <1 <1 1.02 0.11 2.28 <1 <1 16.6 0.272 0.268 140 <0.1 <0.2 <0.2 250 0.935 <5 <0.3 0.343 0.007 <0.005 M - O1 04/06/2015 <1 <1 12.8 50 135 6.7 <10 <1 <1 1.75 2.15 1.5 4.23 2.37 2.25 17.9 0.351 0.297 170 <0.1 <0.2 <0.2 280 0.666 <5 <0.3 <0.3 0.108 <0.005 P-01 04/02/2015 <1 <1 2.81 23 59 2.12 <10 <.1 <1 <1 <1 1.4 1.79 <1 <1 6.64 0.074 0.071 9.4 <0.1 <0.2 <0.2 66 1.3 13 <0.3 0.57 0.016 0.243 P-01 CUP 1 04/02/2015 <1 <1 2.74 22 60 2.11 <10 <1 <1 <1 <1 1.4 1.73 <1 <1 6.49 0.073 0.072 1 9.3 <0.1 <0.2 <0.2 1 68 3.2 14 <0.3 1 0.586 0.006 0.084 Prepared by: BER/SRW Checked by: KLS Notes - Bold highlighted concentration indicates exceedance of the 15A NCAC 02L Standard, Appendix 2, April 1, 2013. - Bold highlighted concentration indicates exceedance of the 15A NCAC 02B Standard, May 15, 2013. ORP = Oxidation Reduction Potential ng/I = nanogram per liter DIS = Dissolved NA = Not analyzed DUP = Duplicate TOT = Total NE = Not established Temp = Temperature NTU = nephelometric turbidity unit DO = Dissolved Oxygen S.U. = Standard Unit Deg C = Degree Celsius ug/I = microgram per liter mg/I = milligram per liter umhos/cm = micro mhos per centimeter mg-N/L = milligram nitrogen per liter Spec Cord = Specific Conductance mV = millivolts NM = Not Measured < = concentration not detected at or above the reporting limit. * - Interim Maximum Allowable Concentrations (IMACs) of the SSA NCAC 02L Standard, Appendix 1, April, 1, 2013. P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 9-2 Seep Analytical Results Page 2 of 2 TABLE 9-3 2015 SURFACE WATER ANALYTICAL RESULTS ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Analytical Parameter pH Temp Spec Cond DO ORP Eh Turbidity Flow Alkalinity Aluminum DIS Aluminum TOT Antimony DIS AntimonyLNIEn, TOT Arsenic TOT Barium DIS Barium TOT Beryllium DIS Beryllium TOT Bi carbonate Alkalinity Boron DIS Boron TOT Cadmium DIS Cadmium TOT Calcium TOT Carbonate Alkalinity Chloride Chromium DIS Chromium TOT Cobalt DIS Cobalt TOT Copper DIS Copper TOT Iron DIS Iron TOT Reporting Units S. U. Deg C u Chios mg/I mV mV NTU MGD mg/I ug/I ug/l ug/l ug/I ug/I ug/I ug/I ug/l ug/l mg/I ug/l ug/11 ug/11 ug/l mg/I mg/I mg/I ug/l ug/I ug/I ug/I mg/I mg/I ug/I ug/I 15A NCAC 02B Standard 6-9 NE NE NE NE NE NE NE NE NE 87 NE 640 10 1 NE 200000 NE 6.5 1 NE NE NE NE 2 NE NE 230 NE 50 NE 4 NE 0.007 NE NE Sample ID Sample Collection Date Field Parameters Analytical Results FB -01 06/02/2015 6.8 19 40 8.18 92 297 34.6 NM 11 136 1650 <1 <1 <1. <1 12 21 <1 <1 11 <50 <50 <1 <1 2.67 QO 2.6 <1 <1 <1 <1 <0.001 0.00127 211 1580 FB -01 DUP 06/02/2015 6.8 19 40 8.18 92 297 34.6 NM <10 130 1180 <1 <1 <1. <1 12 19 <1 <1 <10 <50 <50 <1 <1 2.6 QO 2.5 <1 <1 <1 <1 <0.001 0.00102 201 1160 FB -02 06/02/2015 6.9 20 40 7.92 102 307 35.4 NM 10 139 1690 <1 <1 <1 <1 12 22 <1 <1 10 <50 <50 <1 <1 2.73 <10 2.6 <1 <1 <1 <1 <0.001 S.1SE-03 211 1650 SW -01 1 04/02/2015 6.3 12 854 8.32 31 236 4.67 0.97151 15 10 62 <1 <1 <1. <1 13 14 <1 <1 15 <50 <50 <1 <1 7.03 QO 7.8 <1 <1 <1 <1 <0.001 <0.001 398 948 SW -04 04/02/2015 SA 12 1440 7.26 41 246 33.9 0.01214 <10 7 1840 <1 <1 <1 <1 147 180 <1 <1 <10 1240 1210 <1 <1 66.7 <10 150 <1 1.76 <1 2.48 <0.001 0.00171 1130 20100 SW -05 04/06/2015 8.1 18 1248 9.5 94 299 19.1 NM 29 272 3180 6.47 7.11 50.6 81.1 225 280 <1 <1 29 1150 1180 <1 <1 64.1 <10 13 8.98 11.2 4.9 8.37 0.00157 0.00789 <10 1520 SW -05 DUP 04/06/2015 8.1 18 1248 9.5 94 299 19.1 NM 28 279 1380 6.54 77.9 221 246 <1 <1 28 1160 1170 <1 <1 63.7 <10 13 8.89 10.1 4.53 S.89 0.00187 0.00533 <10 423 SW -06 04/09/2015 6.7 14 926 10.21 21 226 37.7 0.31441 14 143 1220 <1 <1823 <1 <1 14 <50 <50 <1 <1 7.54 <10 9.8 <1 <1 <1 <1 0.00132 0.00134 236 1540 SW -07 04/09/2015 6.9 28 729 6.63 10 215 3.43 NM<10 24 61 <1 M95�1 <1 12 12 <1 <1 <10 <SO <SO <1 <1 2.34 <10 11 <1 <1 <1 <1 0.00163 0.00485 40 115 SW -07 DUP 04/09/2015 6.9 28 729 6.63 10 215 3.43 NM 36 24 124 <1 <1 12 13 <1 <1 36 <SO <SO <1 <1 2.48 <10 11 <1 <1 <1 <1 0.00375 0.00156 46 330 Prepared by: BER/SRW Checked by: KLS Notes: 0 - Bold highlighted concentration indicates exceedance of the 15A NCAC 02B Standard, May 15, 2013 Deg C = Degree Celsius NTU = nephelometric turbidity unit mg/I = milligrams per liter S.U. = Standard Unit mg-N/L = milligram nitrogen per liter ug/1 = microgram per liter my = millivolts umhos/cm = micro mhos per centimeter NE = Not established Spec Cond = Specific Conductance ng/L = nanogram per liter Temp = Temperature < = concentration not detected at or above the reporting limit. DUP = Duplicate DO= Dissoved Oxygen ORP = Oxidation Reduction Potential DIS = Dissolved TOT = Total NM = Not measured P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 9-3 Surface Water Analytical Results.xlsx Page 1 of 2 TABLE 9-3 2015 SURFACE WATER ANALYTICAL RESULTS ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Analytical Parameter Lead DIS Lead TOT Magnesium TOT Manganese DIS Manganese TOT Mercury TOT Methane Molybdenum DIS Molybdenum TOT Nickel DIS Nickel TOT Nitrate (as N) Potassium TOT Selenium DIS Selenium TOT Sodium TOT Strontium DIS Strontium TOT Sulfate Sulfide Thallium DIS Thallium TOT Total Dissolved Solids Total Organic Carbon Total Suspended Solids Vanadium DIS Vanadium TOT Zinc DIS Zinc TOT Reporting Units ug/I ug/I mg/I ug/I ug/I ng/L ug/I ug/I ug/I ug/I ug/I mg-N/L mg/I ug/I ug/I mg/I mg/I mg/I mg/I mg/I ug/I ug/I mg/I mg/I mg/I ug/I ug/I mg/I mg/I 15A NCAC 02B Standard NE 25 NE NE NE 12 NE NE 2000 NE 88 NE NE NE 5 NE NE 40 NE 0.00021 NE 0.47 NE NE NE NE NE NE 0.05 Sample ID Sample Collection Date Analytical Results FB -01 06/02/2015 <1 <1 0.827 17 52 3.96 11 <1 <1 <1 <1 0.398 1.16 <1 <1 2.91 0.018 0.02 1.6 <0.1 <0.2 <0.2 36 1.9 30 0.465 1.86 0.006 0.007 FB -01 DUP 06/02/2015 <1 <1 0.818 17 39 3.21 12 <1 <1 <1 <1 0.376 1.15 <1 <1 2.85 0.018 0.019 1.4 <0.1 <0.2 0.202 40 1.9 26 0.38 1.65 0.008 0.007 FB -02 06/02/2015 <1 1.22 0.846 19 59 5.58 12 <1 <1 <1 <1 0.444 1.16 <1 <1 2.92 0.018 0.02 2.9 <0.1 <0.2 <0.2 36 1.9 40 0.373 1.93 0.014 0.014 SW -01 04/02/2015 <1 <1 2.94 374 397 1.68 <10 <1 <1 <1 <1 0.025 1.25 <1 <1 7.25 0.039 0.04 19 <0.1 <0.2 <0.2 69 2.1 <5 <0.3 <0.3 0.086 <0.005 SW -04 04/02/2015 <1 1.96 22 391 500 7.67 34 <1 <1 <1 1.6 0.236 2.52 2.31 6.34 9.56 0.404 0.404 64 <0.1 <0.2 <0.2 620 2.8 63 <0.3 2.77 0.013 0.013 SW -05 04/06/2015 <1 2.5 4.14 130 716 1.12 <10 94 93.7 9.26 13 0.986 10.9 24.8 25.4 10.9 0.385 0.416 170 <0.1 0.572 0.574 320 1 71 29.2 37.1 0.065 0.037 SW -05 DUP 04/06/2015 <1 <1 4.08 119 308 2.16 <10 92 94.3 8.31 10.7 0.995 10.8 25.7 26.9 10.8 0.389 0.402 170 <0.1 0.402 0.505 310 1.1 30 29.5 33.5 0.01 0.012 SW -06 04/09/2015 <1 <1 2.09 59 68 4.12 <10 <1 <1 <1 <1 0.174 1.61 <1 <1 6.92 0.032 0.033 3.9 <0.1 <0.2 <0.2 73 2.9 11 <0.3 1.13 0.026 0.018 SW -07 04/09/2015 <1 <1 2.1 6 8 <0.5 <10 <1 <1 <1 <1 0.253 1.89 <1 <1 7.18 0.022 0.022 5.2 <0.1 <0.2 0.209 48 1.8 <5 <0.3 0.304 0.047 <0.005 SW -07 DUP 04/09/2015 <1 <1 2.14 7 11 <0.5 <10 <1 <1 <1 I <1 0.251 1.92 <1 <1 7.73 1 0.022 0.021 5.2 <0.1 <0.2 <0.2 1 53 1.7 10 <0.3 1 0.452 0.012 0.018 Prepared by: BER/SRW Checked by: KLS Notes: = - Bold highlighted concentration indicates exceedance of the 15A NCAC 02B Standard, May 15, 2013. Deg C = Degree Celsius NTU = nephelometric turbidity unit mg/I = milligrams per liter S.U. = Standard Unit mg-N/L = milligram nitrogen per liter ug/I = microgram per liter my = millivolts umhos/cm = micro mhos per centimeter NE = Not established Spec Cond = Specific Conductance ng/L = nanogram per liter Temp = Temperature < = concentration not detected at or above the reporting limit. DUP = Duplicate D0= Dissoved Oxygen ORP = Oxidation Reduction Potential DIS = Dissolved TOT= Total NM = Not measured P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 9-3 Surface Water Analytical Results.xlsx Page 2 of 2 TABLE 9-4 NC DENR 2014 SEEP ANALYTICAL RESULTS ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Report! ng\tables\Table 9-4 NCDENR Analytical Results (2014 Seeps).xlsx Page 1 of 6 Analytical Parameter pH Temp Spec Cond DO ORP Flow Alkalinity Aluminum Antimony Arsenic Barium Bi - carbonate AlkalinityAlkalinity Boron Cadmium Calcium Carbonate Chloride Chromium Copper Fluoride (Hardness as CaCO3) Iron Lead Magnesium Manganese Molybdenum Reporting Units S. U. Deg C umhos mg/I mV Gal/Min mg/I ug/I ug/I ug/I ug/I mg/I ug/I ug/I mg/I mg/I mg/I ug/I mg/I mg/I mg/I ug/I ug/I mg/I ug/I ug/I 15A NCAC 02L Standard 6.5-8.5 NE NE NE NE NE NE NE 1. 10 700 NE 700 2 NE NE 250 10 1 2 NE 300 15 NE 50 NE 15A NCAC 02B Standard 6-9 NE NE NE NE NE NE 87 640 10 200000 NE NE 2 NE NE 230 50 0.007 NE NE NE 25 NE NE 2000 Sample ID Sample Decription Sample Collection Date Field Parameters Analytical Results 2014007162 Outfall 001 French Broad AVL WW 001.031014 03/10/2014 NA NA NA NA NA NA NA 1510 7.3 57.1 366 NA 4490 <1 NA NA 130 12 <0.005 1.2 437 417 1.25 NA 257 168 2014007163 Outfall 001 Normal AVL WW069. 031114 03/11/2014 NA NA NA NA NA NA NA 1450 6.88 53.2 328 NA 4200 <1 NA NA 130 11 <0.005 1.2 422 415 1.17 NA 243 156 2014007164 Outfall 005 AVL WW 072.031114 03/11/2014 NA NA NA NA NA NA NA 46 <1 <1 107 NA 57500 <1 NA NA 2600 1.17 <0.005 5.5 4530 12 <1 NA 1220 65.7 2014007165 Duck Pond Inf AVL WW 076.031114 03/11/2014 NA NA NA NA NA NA NA 2280 5.74 53.1 370 NA 1760 <1 NA NA 13 10.7 <0.005 <1 236 813 1.95 NA 84 135 2014007166 Outfall 002 AVL Hpond 068.031114 03/11/2014 NA NA NA NA NA NA NA 56 <1 <1 13 NA <50 <1 NA NA 9.9 <1 <0.005 <1 14.8 82 <1 NA 8 <1 2014007170 SEEP AVL SEEP 002.031014 03/10/2014 NA NA NA NA NA NA NA 300 <1 <1 161 NA 403 <1 NA NA 64 <5 <0.005 <1 67.7 7330 <1 NA 2230 <1 2014007171 SEEP AVL STR 003.031014 03/10/2014 NA NA NA NA NA NA NA 264 <1 <1 170 NA 1250 <1 NA NA 90 <5 <0.005 <1 188 508 <1 I NA 312 <1 2014007172 SEEP AVL SEEP 004.031014 03/10/2014 NA NA NA NA NA NA NA 3990 <1 <1 256 NA 1990 <1 NA NA 72 <5 <0.005 <1 170 4040 2.33 NA 728 <1 2014007173 SEEP AVL STR 005.031014 03/10/2014 NA NA NA NA NA NA NA 131 <1 <1 161 NA 1080 <1 NA NA 100 <5 <0.005 <1 202 561 <1 NA 261 <1 2014007174 SEEP AVL STR 006.031014 03/10/2014 NA NA NA NA NA NA NA 130 <1 <1 76 NA 335 <1 NA NA 99 <5 <0.005 <1 168 626 <1 NA 214 <1 2014007175 SEEP AVL STR 007.031014 03/10/2014 NA NA NA NA NA NA NA 531 <1 <1 82 NA 2010 <1 NA NA 300 <5 <0.005 <1 600 2320 <1 NA 853 <1 2014007176 SEEP AVL WTLD 008.031014 03/10/2014 NA NA NA NA NA NA NA 92 <1 <1 84 NA 1530 <1 NA NA 69 <5 <0.005 <1 340 1720 <1 NA 750 <1 2014007177 SEEP AVL SDO 009.031014 03/10/2014 NA NA NA NA NA NA NA 9 <1 <1 57 NA 530 <1 NA NA 110 <5 <0.005 <1 187 5810 1 <1 NA 4660 7.28 2014007178 SEEP AVL WTLD 010.031014 03/10/2014 NA NA NA NA NA NA NA 112 <1 <1 144 NA 783 <1 NA NA 47 <5 <0.005 <1 184 20800 <1 NA 6390 <1 2014007179 SEEP AVL SEEP 011.031014 03/10/2014 NA NA NA NA NA NA NA 20 <1 2.25 67 NA 763 <1 NA NA 26 <5 <0.005 <1 118 2800 <1 NA 1310 <1 2014007180 SEEP AVL STR 012.031014 03/10/2014 NA NA NA NA NA NA NA 7 <1 <1 52 NA 876 <1 NA NA 14 <5 <0.005 <1 123 484 <1 NA 789 <1 2014007181 SEEP AVL STR 013.031014 03/10/2014 NA NA NA NA NA NA NA 55 <1 <1 14 NA <50 <1 NA NA NA <5 <0.005 NA 21.6 445 <1 NA 172 <1 2014007182 SEEP AVL STR 014.031014 03/10/2014 NA NA NA NA NA NA NA 825 <1 <1 33 NA 120 1.93 NA NA NA 7 <0.005 NA 83.8 2020 <1 NA 593 <1 2014007183 SEEP AVL SDO 015.031114 03/11/2014 NA NA NA NA NA NA NA 374 <1 <1 23 NA <50 <1 NA NA 11 <5 <0.005 <1 40.1 1150 <1 NA 237 <1 2014007184 SEEP AVL STR 016.031114 03/11/2014 NA NA NA NA NA NA NA 96 <1 <1 26 NA <50 <1 NA NA 15 <5 <0.005 <1 26.3 2310 <1 NA 418 <1 2014007185 AVL TD 073.031114 03/11/2014 NA NA NA NA NA NA NA 5 NA NA 86 NA 681 NA NA NA 11 <5 <0.005 <1 124 41 NA 2220 NA 2014007186 AVL TD 071.031114 03/11/2014 NA NA NA NA NA NA NA 10 <1 <1 43 NA 1340 <1 NA NA 120 <5 <0.005 1 <1 520 <10 <1 NA 7730 90.8 2014007187 AVL TD 066.031114 03/11/2014 NA NA NA NA NA NA NA 140 <1 <1 11 NA <50 <1 NA NA 6.8 <5 <0.005 <1 16.2 701 <1 NA 319 <1 2014007188 AVL SEEP 075. 031114 03/11/2014 NA NA NA NA NA NA NA 295 <1 <1 63 NA 869 <1 NA NA 9.9 <5 <0.005 <1 139 202 <1 NA 660 <1 2014007189 AVL TD 074.031114 03/11/2014 NA NA NA NA NA NA NA 19 <1 <1 62 NA 820 <1 NA NA 11 <5 <0.005 <1 101 26 <1 NA 3540 <1 2014007190 AVL TD 070.031114 03/11/2014 NA NA NA NA NA NA NA 7 <1 1.06 48 NA 1550 <1 NA NA 120 <5 <0.005 <1 577 <10 <1 NA 8680 93 2014007191 AVL LK 067.031114 03/11/2014 NA NA NA NA NA NA NA 144 <1 <1 13 NA <50 <1 NA NA 9.7 <5 <0.005 <1 14.1 182 <1 NA 9 <1 2014007194 SEEP AVL STR 051.031014 03/10/2014 NA NA NA NA NA NA NA 144 <1 <1 162 NA 1090 <1 NA NA 89 <5 <0.005 1 <1 170 432 <1 NA 363 <1 2014007199 SEEP AVL STR052.031014 03/10/2014 NA NA NA NA NA NA NA 32 <1 <1 98 NA 3010 <1 NA NA 470 <5 <0.005 <1 872 96 <1 NA 45 <1 2014007200 SEEP AVL Pond 053.031014 03/10/2014 NA NA NA NA NA NA NA 26 <1 1.73 57 NA 478 <1 NA NA 140 <5 <0.005 <1 284 512 <1 NA 173 6.96 2014007201 SEEP AVL STR 054.031014 03/10/2014 NA NA NA NA NA NA NA 20 <1 1.72 49 NA 1390 <1 NA NA 110 <5 <0.005 <1 476 1620 <1 NA 7030 92.6 2014007202 SEEP AVL WW 055.031014 03/10/2014 NA NA NA NA NA NA NA 12 <1 1.05 43 NA 1460 <1 NA NA 110 <5 <0.005 <1 531 211 <1 NA 8250 120 2014007203 SEEP AVL STR 056.031014 03/10/2014 NA NA NA NA NA NA NA 26 <1 <1 69 NA 1190 <1 NA NA 75 <5 <0.005 <1 255 4760 <1 NA 1780 <1 2014007204 SEEP AVL STR 057.031014 03/10/2014 NA NA NA NA NA NA NA 136 <1 <1 31 NA 64 <1 NA NA 9.6 <5 <0.005 <1 30.7 406 <1 NA 46 <1 2014007205 SEEP AVL WTLD 058.031014 03/10/2014 NA NA NA NA NA NA NA 1080 <1 <1 73 NA 148 <1 NA NA 22 <5 <0.005 <1 23 846 <1 NA 202 <1 2014007206 SEEP AVLWTLD 059.031014 03/10/2014 NA NA NA NA NA NA NA 68 <1 <1 30 NA 352 <1 NA NA 11 <5 <0.005 <1 131 1530 <1 NA 270 <1 2014007207 SEEP AVL STR 060.031014 03/10/2014 NA NA NA NA NA NA NA 102 <1 <1 36 NA 323 <1 NA NA 12 <5 <0.005 <1 108 676 <1 NA 302 <1 2014007208 SEEP AVL STR 061.031014 03/10/2014 NA NA NA NA NA NA NA 59 <1 <1 54 NA 795 <1 NA NA 15 <5 <0.005 <1 133 2400 <1 NA 904 <1 2014007209 SEEP AVLWLTD 062.031014 03/10/2014 NA NA NA NA NA NA NA 20 <1 <1 55 NA 786 <1 NA NA 17 <5 <0.005 <1 135 1320 <1 NA 1020 <1 2014007210 SEEP AVLSTR 063.031014 03/10/2014 NA NA NA NA NA NA NA 38 <1 <1 59 NA 795 <1 NA NA 27 <5 <0.005 <1 146 537 <1 NA 1080 <1 2014007211 SEEP AVL STR 064.031014 03/10/2014 NA NA NA NA NA NA NA 510 <1 <1 70 NA 576 <1 NA NA 11 <5 <0.005 <1 345 4660 <1 NA 6060 <1 2014007212 SEEP AVL STR 065.031014 03/10/2014 NA NA NA NA NA NA NA 169 <1 <1 48 NA <50 <1 NA NA 42 <5 <0.005 <1 73.7 230 <1 NA 11 <1 2014007235 AVL STR 017.031114 03/11/2014 NA NA NA NA NA NA NA 17 <1 <1 14 NA <50 <1 NA NA 9.2 <5 <0.005 <1 13.9 24 <1 NA <5 <1 2014007236 AVLSTR018.031114 03/11/2014 NA NA NA NA NA NA NA 114 <1 <1 23 NA 135 <1 NA NA 8.8 <5 <0.005 <1 47 348 <1 NA 69 <1 2014007237 AVL SEEP 019.031114 03/11/2014 NA NA NA NA NA NA NA 124 <1 <1 41 NA 899 <1 NA NA 11 <5 I <0.005 <1 168 1210 <1 NA 604 <1 2014007238 AVL SEEP 020.031114 03/11/2014 NA NA NA NANA NA NA 21 <1 <1 60 NA 611 <1 NA NA 13 <5 <0.005 <1 149 237 <1 NA 324 <1 2014007239 AVL SEEP 021.031114 03/11/2014 NA NA NA NA NA NA NA 20 <1 <1 53 NA 1 836 <1 NA NA 53 <5 <0.005 <1 169 138 <1 NA 35 9.75 P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Report! ng\tables\Table 9-4 NCDENR Analytical Results (2014 Seeps).xlsx Page 1 of 6 TABLE 9-4 NC DENR 2014 SEEP ANALYTICAL RESULTS ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Report! ng\tables\Table 9-4 NCDENR Analytical Results (2014 Seeps).xlsx Page 2 of 6 Analytical Parameter PH Temp Spec DO ORP Flow Alkalinity Aluminum Antimony Arsenic Barium Bi carbonate Boron Cadmium Calcium Carbonate Chloride Chromium Copper Fluoride Hardness Iron Lead Magnesium Manganese Molybdenum Cond Alkalinity Alkalinity (as CaCO3) Reporting Units S.U. Deg C umhos mg/1 mV Gal/Min mg/I ug/1 ug/I ug/I ug/I mg/I ug/l ug/I mg/l mg/1 mg/1 ug/1 mg/1 mg/l mg/I ug/I ug/I mg/1 ug/I ug/l 15A NCAC 02L Standard 6.5-8.5 NE NE NE NE NE NE NE 1 * SO 700 NE 700 2 NE NE 250 SO 1 2 NE 300 15 NE 50 NE SSA NCAC 02B Standard 6-9 NE NE NE NE NE NE 87 640 10 200000 NE NE 2 NE NE 230 50 0.007 NE NE NE 25 NE NE 2000 Sample ID Sample Decription Sample Field Parameters Analytical Results Collection Date 2014007240 AVL SEEP 022.031114 03/11/2014 NA NA NA NA NA NA NA 21 <1 <1 70 NA 519 <1 NA NA 32 <5 <0.005 <1 127 55 <1 NA 28 <1 2014007241 AVL STR 023.031114 03/11/2014 NA NA NA NA NA NA NA 56 <1 <1 55 NA 888 <1 NA NA 13 <5 <0.005 <1 126 680 <1 NA 799 <1 2014007242 AVLSTR 024.031114 03/11/2014 NA NA NA NA NA NA NA 228 <1 <1 34 NA 67 <1 NA NA 8.7 <5 <0.005 <1 31.7 602 <1 NA 56 <1 Permitted outfall 002 referred to as 'hot pond'. Consists of non- AVLHPND068 contact cooling water only. 03/11/2014 7.1 28 70 6.97 NA NA 10 <50 <10 <2 14 10 <50 <0.05 2 <1 11 <10 <0.002 <0.4 35 72 <2 2.4 <10 <10 AVLLK067 Water sample at shore of Lake Julian 03/11/2014 7.4 19 68 8.63 NA NA 9.1 110 <10 <2 13 9.1 <50 <0.05 2 <1 10 <10 '0.002 <0.4 15 120 <2 2.4 <Io <10 Small wetland pond. No apprent channel connection to FBR AVLPOND053 during baseflow. 03/10/2014 6.5 12 742 NA 161 NA NA 79 <10 <2 61 NA 500 <0.05 83 NA 120 <10 <0.002 <0.4 320 780 <2 27 180 <10 AVLSD0009 CMP - looks like DOT stormwater pipe draining from I-26 med an 03/10/2014 6.5 1 11 653 1 10.41 NA 0.49 NA <50 <10 <2 60 1 NA 570 <0.05 55 NA 110 1 <10 '0.002 I <0.4 200 5600 <2 16 4800 <10 AVLSD0015 Stormwater pipe through lower access road. CMP to HDPE 03/10/2014 4.5 5 118 11.23 254 0.31 NA 1800 <10 <2 22 NA <50 <0.05 11 NA 13 <10 <0.002 <0.4 43 1000 <2 3.7 210 <10 AVLSEEP002 Seep discharging approximately 100 feet from toe of 1-26 03/10/2014 5.1 8 257 7.3 NA 0.31 NA 8800 <10 3.9 220 NA 1100 <0.05 12 NA 61 15 0.0091 <0.4 71 360000 15 10 2200 <10 AVLSEEP004 seep discharging at approximate toe of 1-26 03/10/2014 5.8 11 418 9.75 NA NA NA 7400 <10 <2 310 NA 2100 0.6 34 NA 71 <10 0.0042 <0.4 190 7200 4.3 25 840 <10 AVLSEEP011 Flow from toe of I-26 (Area of approximately 5 such seeps) 03/10/2014 NM NM NM NM NM 3.88 NA <50 <10 2 69 NA 760 <0.05 30 NA 30 <10 <0.002 <0.4 120 2800 <2 12 1200 <10 AVLSEEP019 seep below 1982 ash pond 03/11/2014 7.0 17 431 8.36 234 9.1 8.1 <50 <10 <2 39 8.1 980 <0.05 52 <1 12 <10 <0.002 <0.4 190 280 1 <2 1 14 190 <10 AVLSEEP020 seep along I-26 flows north. Below 1982 pond 03/11/2014 6.6 1 17 205 10.65 249 5.18 7.4 <50 <10 <2 61 7.4 650 <0.05 34 <1 13 <10 <0.002 <0.4 150 300 <2 16 320 <10 AVLSEEP021 seep along I-26 flows south. Below 1982 pond 03/11/2014 7.0 17 545 9.89 179 2.6 33 <50 <10 <2 54 33 890 <0.05 50 <1 53 <10 <0.002 <0.4 180 74 <2 13 32 11 AVLSEEP022 Seep along I-26. Flows south toward I-26 culvert 03/11/2014 6.7 20 417 9.04 323 2.74 6.2 <50 <10 <2 69 6.2 540 <0.05 25 <1 31 <10 '0.002 <0.4 130 64 <2 16 25 <10 Natural seep on south side of slope, in front of 1982 dam face. AVLSEEP075 Flows from seep. Braided streams, low flow. Wetland area. 03/11/2014 NA 12 452 9.34 303 NA <1 190 <10 <2 62 <1 850 '0.05 47 <1 SO <SO '0.002 <0.4 150 79 <2 7.2 600 <10 AVLSTRO03 Intermittent stream 03/10/2014 6.5 17 454 9.76 NA 13.66 NA 240 <10 <2 180 NA 1300 <0.05 45 NA 88 <10 <0.002 <0.4 190 490 <2 1 19 300 <10 unnamed tributary to French Broad below confluence of two AVLSTRO05 seepsAVLSTRO06 03/10/2014 6.1 1 14 497 9.68 NA 14.3 NA 83 <10 <2 170 NA 1200 <0.05 54 NA 100 <10 <0.002 <0.4 220 420 <2 20 260 <10 unnamed tributary to French Broad- northwestward 03/10/2014 5.6 7 537 5.53 NA NA NA 59 <10 <2 87 NA 370 <0.05 54 NA 110 <10 <0.002 <0.4 200 540 <2 15 220 <10 AVLSTRO07 Wetland pool - not discharging to French Broad at time of visit 03/10/2014 4.8 13 1270 4.13 NA NA NA 190 <10 <2 81 NA 1900 <0.05 180 NA 280 <10 <0.002 <0.4 640 2000 <2 47 790 <10 AVLSTRO12 discharge at pipe outfall to wetland below 1982 ash pond. 03/10/2014 NM NM NM NM NM NA NA <50 <10 <2 56 NA 920 <0.05 34 NA 19 <10 <0.002 <0.4 130 510 <2 12 780 <10 Culvert under I-26. AVLSTRO13 Powell Creek 03/10/2014 4.8 14 78 9.75 NA 304 NA <50 <10 <2 14 NA <50 '0.05 4.6 NA 11 <10 <0.002 <0.4 21 430 <2 2.3 160 <10 AVLSTRO14 Unnamed tributary to Powell Creek 03/10/2014 5.2 13 204 8.92 NA 19.51 NA 710 <10 <2 35 NA 130 2.1 22 NA 12 <10 0.002 <0.4 91 1800 <2 8.7 600 <10 AVLSTRO16 unnamed tributary to Powell Creek. Flow from private pond off 03/11/2014 6.3 9 104 11.32 86 11.98 12 2100 <10 <2 25 12 <50 <0.05 6 <1 16 <10 <0.002 <0.4 27 2200 <2 2.8 390 <10 AVLSTRO17 Powell Creek., Spillway discharge Lake Julian 03/11/2014 6.7 12 67 10.52 122 NA 9.5 <50 '10 <2 15 9.5 <50 <0.05 2.7 <1 9.8 <10 <0.002 <0.4 15 <50 <2 2 <10 <10 AVLSTRO18 Intermittent stream 03/11/2014 5.6 9 112 8.9 191 2.87 16 100 <10 <2 24 16 140 <0.05 11 <1 9.6 <10 <0.002 <0.4 49 290 <2 5.3 66 <10 AVLSTR023 Stream at 1-26 culvert. 1982 pond discharge and other valley flow 03/11/2014 6.5 15 344 9.3 250 42.8 6.1 <50 <10 <2 55 6.1 970 <0.05 33 <1 15 <10 <0.002 <0.4 130 310 <2 12 740 <10 AVLSTR024 culvert carrying stream 03/11/2014 7.4 13 104 10.9 198 NA 18 120 <10 <2 34 18 86 <0.05 8.1 <1 14 <10 <0.002 <0.4 33 420 <2 3 48 <10 AVLSTRO51 Flowing stream. Outlet to FBR. 03/10/2014 6.7 9 703 NA 222 14.78 NA 130 <10 <2 180 NA 1200 <0.05 44 NA 85 <10 <0.002 <0.4 190 410 <2 19 360 <10 AVLSTRO52 Stream sample, east side of gravel road. 03/10/2014 6.9 12 1807 NA 209 6.4 NA <50 <10 <2 110 NA 3100 <0.05 280 NA 500 <10 <0.002 0.4 1000 69 <2 72 44 <10 Stream before small beaver dam, selected area to avoid diluton with inflow from FBR but nearest point. Former WW outfall AVLSTRO54 combined with 1964' (BUNCO -097) basin toe drain flow. 03/10/2014 7.1 13 906 NA 13 NA NA <50 <10 <2 51 NA 1500 0.79 140 NA 110 <10 <0.002 <0.4 530 1600 <2 43 7300 97 Currently just 1964' (BUNCO -097) basin flow combined with stream from south. AVLSTRO56 Contributing stream, prior to confluence with 1964'1BUNCO- 03/10/2014 6.7 15 656 NA 53 11.67 NA <50 <10 <2 75 NA 1300 <0.05 78 NA 73 <10 <0.002 <0.4 290 4800 <2 22 1800 <10 097) toe drain stream. Note iron oxide staining on stream bed. AVLSTRO57 Iclear, no observed iron staining etc. 03/10/2014 7.4 11 107 NA 156 60 NA 90 <10 <2 33 NA 74 <0.05 8.3 NA 14 <10 <0.002 <0.4 33 360 <2 3.1 45 <10 Stream, appears to connect to 059 sample but main channel is AVLSTR060 sourced north. No flow currently but would flow during wet 03/10/2014 6.6 17 299 NA 160 NA NA 81 <10 <2 39 NA 340 <0.05 30 NA 16 <10 <0.002 <0.4 120 650 <2 11 310 <10 conditoins. Stream, clear with heavey Fe stained bed, silty. No platy Fe AVLSTR061 bacteria on suface. May suggest this drains wetland area fed by 03/10/2014 6.5 16 371 NA 120 67.3 NA <50 <10 <2 59 NA 920 <0.05 36 NA 20 <10 <0.002 <0.4 150 1400 <2 14 1000 <10 1982 pond outfall. AVLSTR063 Pooled stream, with 2 forks south. Appears to be from wetland 03/10/2014 6.6 21 429 NA 113 NA NA <50 <10 <2 62 NA 860 <0.05 40 NA 30 <10 <0.002 <0.4 160 540 <2 14 1100 <10 south. AVLSTR064 Stream, Fe bacteria on surface and orange Fe precipitate on leaf 03/10/2014 ffi;$ 10 490 NA 142 NA NA 540 <10 <2 72 NA 670 <0.05 100 NA 16 <10 <0.002 <0.4 370 4500 <2 29 6000 <10 litter bed. AVLSTR065 Surface water discharge after driveway culvert. Flow originates 03/10/2014 7.1 11 263 NA 182 0.27 NA 110 <10 <2 51 NA <50 <0.05 22 NA 42 <10 <0.002 <0.4 81 180 <2 6.3 12 <10 east of property, possiblyto pond. AVLTDO66 Discharge from seeps at toe of dam 03/11/2014 6.8 13 69 9.71 99 79.3 22 100 <10 <2 12 22 <50 <0.05 3.8 <1 7.5 <10 <0.002 <0.4 17 660 <2 1.9 300 <10 Unpermitted currently but referenced in last permit application. AVLTD070 Toe drain sample of 1964' (BUNCO -097) inactive basin BUNCO- 03/11/2014 6.4 17 1110 6.63 236 24.47 83 <50 <10 <2 44 83 1500 1.9 160 <1 120 <10 <0.002 <0.4 590 <50 <2 47 8200 110 097 Unpermitted currently but referenced in last permit application. AVLTD071 Toe drain sample of 1964' (BUNCO -097) inactive basin. 03/11/2014 6.0 17 1076 6.74 246 8.6694 <50 <10 <2 45 94 1300 0.74 160 <1 120 <10 <0.002 <0.4 590 <50 <2 46 8000 210 P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Report! ng\tables\Table 9-4 NCDENR Analytical Results (2014 Seeps).xlsx Page 2 of 6 TABLE 9-4 NC DENR 2014 SEEP ANALYTICAL RESULTS ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Analytical Parameter Spec PH Temp DO ORP Flow BiCarbonate Hardness Alkalinity Aluminum Antimony Arsenic Barium carbonate Boron Cadmium Calcium Chloride Chromium Copper Fluoride Iron Lead Magnesium Manganese Molybdenum NA = Not available Cond Alkalinity (as CaCO3) Alkalinity Reporting Units S.U. Deg C umhos mg/l mV Gal/Min mg/I ug/1 ug/I ug/I ug/l mg/I ug/l ug/I mg/I mg/1 mg/1 ug/1 mg/1 mg/l mg/I ug/I ug/I mg/1 ug/I ug/l 15A NCAC 02L Standard 6.5-8.5 NE NE NE NE NE NE NE 1 * 10 700 NE 700 2 NE NE 250 10 1 2 NE 300 15 NE 50 NE SSA NCAC 02B Standard 6-9 NE NE NE NE NE NE 87 640 10 200000 NE NE 2 NE NE 230 s0 0.007 NE NE NE 25 NE NE 2000 Sample ID Sample Decription Sample Field Parameters Analytical Results * - Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April, 1, 2013. Collection Date Unpermitted outfall currently but referenced in last permit application. West pipe sample, left facing dam. CRP outlet. AVLTD073 Engineered TD. Unpermitted toe drain outfall from 1982 active 03/11/2014 4.8 15 351 7.33 305 2 11 <50 <10 <2 93 11 780 <0.05 35 <1 13 <10 <0.002 <0.4 130 <50 <2 11 2200 <10 basin, BUNCO -089. Outlet structures have weir box per discharae Unpermitted outfall currently but referenced in last permit application. East pipe sample, right facing dam. CRP outlet. AVLTD074 Engineered TD. Unpermitted toe drain outfall from 1982 active 03/11/2014 NA 15 301 6.7 409 15 8.6 <50 <10 <2 62 8.6 850 <0.05 28 <1 16 <10 <0.002 <0.4 100 <50 <2 7.9 3600 <10 basin, BUNCO -089. Outlet structures have weir box per Idischarae nice, AVLTDO90 Toe drain seepage from culvert at 1964 dam. 05/05/2014 6.6 NA NA NA NA NA 35 <50 <10 <2 97 35 2100 <0.05 330 <1 610 <10 <0.002 120 <2 71 11000 <10 AVLWTLD008 Flow in wetland at concrete pipe. Pipe may be stormwater from 03/10/2014 6.3 15 700 9.22 NA 6.37 NA <50 <10 <2 56 NA 1500 <0.05 97 NA 76 <10 <0.002 <0.4 350 590 <2 26 650 <10 interstate. Likely old infrastructure AVLWTLD010 Wetland discharging to adjacent wetland pool flowing north 03/10/2014 6.1 19 568 9.14 NA 1.12 NA 60 <10 <2 150 NA 810 <0.05 56 NA 49 <10 <0.002 <0.4 200 22000 <2 14 6300 <10 AVLWTLD058 Pond, no discernable overland flow to FBR. Organic matter on 03/10/2014 4.4 18 188 NA 299 NA NA 1100 <10 <2 81 NA 160 <0.05 4.6 NA 24 <10 <0.002 <0.4 25 970 <2 3.4 200 <10 and bed no iron oxide. Clear. AVLWTLD059 Ponded wetland, clear with no obvious Fe oxide. No obvious 03/10/2014 6.1 18 316 NA 114 NA NA 73 <10 <2 33 NA 350 <0.05 34 NA 15 <10 <0.002 <0.4 130 1400 <2 12 250 <10 channel connection to FBR. AVLWTLD062 Small stream flowing south from drained wetland area. 03/10/2014 6.5 15 369 NA 109 NA NA <50 <10 <2 60 NA 900 <0.05 37 NA 21 <10 <0.002 <0.4 150 1400 <2 14 1000 <10 AVLWWO01 Permitted WW outfall - concrete 03/10/2014 7.6 14 815 9.88 NA 3890.27 NA 1100 <10 59 370 NA 4300 0.89 120 NA 140 12 0.0023 0.6 450 220 <2 37 240 180 West end of culvert under I-26. Drains 1964' (BUNCO -097) toe AVLW WO55 drain flow and contributing streams. Sample and photos are 03/10/2014 7.6 15 1089 NA 12 54.35 NA 100 <10 <2 42 NA 1500 <0.05 160 NA 120 <10 0.0025 <0.4 590 180 <2 46 8200 110 from the west side (FBR side) after flow under I-26. AVLWW069 Stilling pond. Receives SW, sluice water from ash pond, etc. 03/11/2014 7.6 17 874 8.56 NA NA 38 1100 <10 56 360 38 4300 0.77 120 <1 130 10 0.002 0.8 460 270 <2 38 230 170 Riser is RCP constructed within last 5ears. Permitting outfall 005. Inside of building. Receives FGD blow AVLW W072 down water after pre-treatment and constructed wetland 03/11/2014 6.2 11 7831 10.31 NA 137.5 15 91 20 P 50 110 15 58000 10 P 700 <1 2700 <10 0.02 P <0.4 4900 <50 20 P 760 1200 74 treatment. Unpermitted internal WW outfall. Commonly referred to as 'duck AVLWW076 pond' which is remaining active (wet) portion of 1964' (BUNCO - 03/11/2014 7.7 19 498 8.19 255 NA 45 1700 <10 55 390 45 1700 0.56 91 <1 14 SO 0.0031 0.7 250 530 <2 4.6 76 140 097) inactive basin. Unlined. Outfall is piped HDPE to stilling pond, permitted outfall 001. Prepared by: BER SRW Checked by: KLS Notes: - Bold highlighted concentration indicates exceedance of the 15A NCAC 02L Standard, Appendix 2, April 1, 2013 0 - Bold highlighted concentration indicates exceedance of the 15A NCAC 02B Standard, May 15, 2013. ORP = Oxidation Reduction Potential ng/I = nanogram per liter DIS = Dissolved NA = Not available TOT = Total NE = Not established Temp = Temperature NTUs = nephelometric turbidity unit DO = Dissolved Oxygen S.U. = Standard Unit Deg C = Degree Celsius ug/I = microgram per liter mg/I = milligram per liter umhos/cm = micro siemens per centimeter mg-N/L = milligram nitrogen per liter Spec Cord = Specific Conductance mV = millivolts NM = Not Measured < = concentration not detected at or above the reporting limit. * - Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April, 1, 2013. P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Report! ng\tables\Table 9-4 NCDENR Analytical Results (2014 Seeps).xlsx Page 3 of 6 TABLE 9-4 NC DENR 2014 SEEP ANALYTICAL RESULTS ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Report! ng\tables\Table 9-4 NCDENR Analytical Results (2014 Seeps).xlsx Page 4 of 6 Analytical Parameter Nickel Potassium Selenium Sodium Strontium Sulfate Thallium Total Dissolved Solids Zinc Reporting Units ug/I mg/I ug/I mg/I mg/I mg/I ug/I mg/I mg/I 15A NCAC 02L Standard 100 NE 20 NE NE 250 0.2- 500 1 * 15A NCAC 02B Standard 88 NE 5 NE 40 0.47 NE 0.05 Sample ID Sample Decription Sample Collection Date Analytical Results 2014007162 Outfall 001 French Broad AVL WW 001.031014 03/10/2014 8.45 NA 51.9 NA NA 220 0.84 630 0.0126 2014007163 Outfall 001 Normal AVL WW069. 031114 03/11/2014 8.67 NA 44.1 NA NA 220 0.82 650 0.0116 2014007164 Outfall 005 AVL WW 072.031114 03/11/2014 29.8 NA 141 NA NA 670 0.25 5600 0.00912 2014007165 Duck Pond Inf AVL WW 076.031114 03/11/2014 7.43 NA 30.5 NA NA 180 0.62 350 0.01 2014007166 Outfall 002 AVL Hpond 068. 031114 03/11/2014 <1 NA <1 NA NA 6.1 <0.2 35 0.00179 2014007170 SEEP AVL SEEP 002.031014 03/10/2014 <5 NA <1 NA NA 21 <0.2 150 0.009 2014007171 SEEP AVL STR 003.031014 03/10/2014 <5 NA 5.05 NA NA 64 <0.2 300 0.011 2014007172 SEEP AVL SEEP 004.031014 03/10/2014 <5 NA 3.87 NA NA 80 <0.2 250 0.026 2014007173 SEEP AVL STR 005.031014 03/10/2014 <5 NA 5.86 NA NA 63 <0.2 320 0.007 2014007174 SEEP AVL STR 006.031014 03/10/2014 <5 NA <1 NA NA 38 <0.2 290 <0.005 2014007175 SEEP AVL STR 007.031014 03/10/2014 6 NA <1 NA NA 180 <0.2 890 0.019 2014007176 SEEP AVL WTLD 008.031014 03/10/2014 <5 NA 1.03 NA NA 180 <0.2 450 0.012 2014007177 SEEP AVL SDO 009.031014 03/10/2014 <5 NA <1 NA NA 84 <0.2 380 0.009 2014007178 SEEP AVL WTLD 010.031014 03/10/2014 5 NA 1.39 NA NA 170 <0.2 360 <0.005 2014007179 SEEP AVL SEEP 011.031014 03/10/2014 <5 NA <1 NA NA 120 <0.2 240 <0.005 2014007180 SEEP AVL STR 012.031014 03/10/2014 <5 NA <1 NA NA 130 <0.2 230 <0.005 2014007181 SEEP AVL STR 013.031014 03/10/2014 <5 NA <1 NA NA NA <0.2 NA <0.005 2014007182 SEEP AVL STR 014.031014 03/10/2014 <5 NA <1 NA NA NA <0.2 NA 0.012 2014007183 SEEP AVL SDO 015.031114 03/11/2014 <5 NA <1 NA NA 7.9 <0.2 74 0.022 2014007184 SEEP AVL STR 016.031114 03/11/2014 <5 NA <1 NA NA 9.5 <0.2 56 <0.005 2014007185 AVL TD 073.031114 03/11/2014 <5 NA NA NA 140 NA 332 0.011 2014007186 AVL TD 071.031114 03/11/2014 9 NA 1.16 NA NA 300 <0.2 740 0.011 2014007187 AVL TD 066.031114 03/11/2014 <5 NA <1 NA NA 4.5 <0.2 28 0.038 2014007188 AVL SEEP 075.031114 03/11/2014 <5 NA 5«12 NA NA 180 0.38 282 0.019 2014007189 AVL TD 074.031114 03/11/2014 <5 NA <1 NA NA 110 <0.2 195 0.008 2014007190 AVL TD 070.031114 03/11/2014 14 NA 1.71 NA NA 340 <0.2 791 0.008 2014007191 AVL LK 067.031114 03/11/2014 <5 NA <1 NA NA 5.9 <0.2 40 <0.005 2014007194 SEEP AVL STR 051.031014 03/10/2014 <5 NA 4.72 NA NA 59 <0.2 300 0.012 2014007199 SEEP AVL STR052.031014 03/10/2014 <5 NA <1 NA NA 230 <0.2 1400 0.005 2014007200 SEEP AVL Pond 053.031014 03/10/2014 <5 NA 3.3 NA NA 68 1 <0.2 450 1 0.007 2014007201 SEEP AVL STR 054.031014 03/10/2014 11 NA 1.66 NA NA .310 <0.2 710 0.011 2014007202 SEEP AVL WW 055.031014 03/10/2014 13 NA 2.02 NA NA .350 <0.2 800 0.012 2014007203 SEEP AVL STR 056.031014 03/10/2014 <5 NA <1 NA NA 160 <0.2 410 <0.005 2014007204 SEEP AVL STR 057.031014 03/10/2014 <5 NA <1 NA NA 13 <0.2 68 <0.005 2014007205 SEEP AVL WTLD 058.031014 03/10/2014 <5 NA <1 NA NA 39 <0.2 90 0.007 2014007206 SEEP AVLWTLD 059.031014 03/10/2014 <5 NA <1 NA NA 130 <0.2 210 0.01 2014007207 SEEP AVL STR 060.031014 03/10/2014 <5 NA <1 NA NA 110 <0.2 200 0.006 2014007208 SEEP AVL STR 061.031014 03/10/2014 <5 NA <1 NA NA 150 <0.2 250 0.006 2014007209 SEEP AVLWLTD 062.031014 03/10/2014 <5 NA <1 NA NA 150 <0.2 260 0.005 2014007210 SEEP AVLSTR 063.031014 03/10/2014 <5 NA 1.3 NA NA 160 <0.2 290 <0.005 2014007211 SEEP AVL STR 064.031014 03/10/2014 <5 NA <1 NA NA 370 <0.2 560 0.008 2014007212 SEEP AVL STR 065.031014 03/10/2014 <5 NA <1 NA NA 13 <0.2 160 0.044 2014007235 AVL STR 017.031114 03/11/2014 <5 NA <1 NA NA 5.9 <0.2 24 0.007 2014007236 AVL STR 018.031114 03/11/2014 <5 NA <1 NA NA 19 <0.2 60 <0.005 2014007237 AVL SEEP 019.031114 03/11/2014 <5 NA 4.48 NA NA 180 <0.2 272 0.009 2014007238 AVL SEEP 020.031114 03/11/2014 <5 NA 2.06 NA NA 160 <0.2 252 <0.005 2014007239 AVL SEEP 021.031114 03/11/2014 <5 NA :14.4 NA NA 1 150 1 <0.2 1 333 1 <0.005 P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Report! ng\tables\Table 9-4 NCDENR Analytical Results (2014 Seeps).xlsx Page 4 of 6 TABLE 9-4 NC DENR 2014 SEEP ANALYTICAL RESULTS ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Report! ng\tables\Table 9-4 NCDENR Analytical Results (2014 Seeps).xlsx Page 5 of 6 Total Analytical Parameter Nickel Potassium Selenium Sodium Strontium Sulfate Thallium Dissolved Zinc Solids Reporting Units ug/I mg/I ug/I mg/I mg/I mg/I ug/I mg/I mg/I 15A NCAC 02L Standard 100 NE 20 NE NE 250 0.2- 500 1 * 15A NCAC 02B Standard 88 NE 5 NE 40 0.47 NE 0.05 Sample ID Sample Decription Sample Analytical Results Collection Date 2014007240 AVL SEEP 022.031114 03/11/2014 <5 NA 2.87 NA NA 140 <0.2 247 0.013 2014007241 AVL STR 023.031114 03/11/2014 <5 NA <1 NA NA 140 <0.2 224 0.008 2014007242 AVLSTR 024.031114 03/11/2014 <5 NA <1 NA NA 12 <0.2 54 <0.005 AVLHPND068 Permitted outfall 002 referred to as 'hot pond'. Consists of non- 03/11/2014 3.1 2.2 <5 7 0.025 5.7 <2 42 <0.01 contact cooling water only. AVLLK067 Water sample at shore of Lake Julian 03/11/2014 <2 2.2 <5 6.9 0.024 5.7 <2 45 <0.01 AVLPOND053 Small wetland pond. No apprent channel connection to FBR 03/10/2014 4.8 3.4 <5 14 0.48 69 <2 478 0.026 during baseflow. AVLSDO009 CMP - looks like DOT stormwater pipe draining from I-26 median 03/10/2014 <2 6.9 <5 59 0.38 88 <2 286 0.021 AVLSDO015 Stormwater pipe through lower access road. CMP to HDPE 03/10/2014 <2 0.98 <5 6.3 0.03 8.3 <2 78 0.024 AVLSEEP002 Seep discharging approximately 100 feet from toe of I-26 03/10/2014 6.8 2.4 <5 14 0.082 14 <2 128 0.036 AVLSEEP004 seep discharging at approximate toe of I-26 03/10/2014 8.8 4.8 5.6 11 0.28 75 <2 230 0.042 AVLSEEP011 Flow from toe of I-26 (Area of approximately 5 such seeps) 03/10/2014 <2 3 <5 24 0.28 130 <2 244 0.015 AVLSEEP019 seep below 1982 ash pond 03/11/2014 3.7 6.6 <5 17 0.56 150 <2 292 0.019 AVLSEEP020 seep along I-26 Flows north. Below 1982 pond 03/11/2014 4 2.5 <5 21 0.16 150 <2 269 0.013 AVLSEEP021 seep along I-26 Flows south. Below 1982 pond 03/11/2014 2.7 5 16 46 0.43 140 <2 324 0.019 AVLSEEP022 Seep along I-26. Flows south toward I-26 culvert 03/11/2014 2 1 <5 32 0.13 120 <2 60 0.018 AVLSEEP075 Natural seep on south side of slope, in front of 1982 dam face. 03/11/2014 4.4 12 6 15 0.67 150 <2 270 0.027 Flows from seep. Braided streams, low Flow. Wetland area. AVLSTR003 Intermittent stream 03/10/2014 2.6 2.7 6.3 9.7 0.32 65 <2 284 0.022 AVLSTR005 unnamed tributary to French Broad below confluence of two 03/10/2014 2.6 2.8 7.6 9.7 0.35 64 <2 307 0.022 AVLSTR006 unnamed tributary to French Broad - northwestward 03/10/2014 2.2 2 <5 20 0.22 41 <2 297 0.02 AVLSTR007 Wetland pool - not discharging to French Broad at time of visit 03/10/2014 4.5 4.7 <5 15 1.1 170 <2 788 0.039 AVLSTR012 discharge at pipe outfall to wetland below 1982 ash pond. 03/10/2014 <2 2.7 <5 18 0.3 150 <2 223 0.015 Culvert under I-26. AVLSTR013 Powell Creek 03/10/2014 <2 1.5 <5 7.7 0.029 6.6 <2 51 <0.01 AVLSTR014 Unnamed tributary to Powell Creek 03/10/2014 <2 2.4 <5 5.7 0.13 60 <2 354 0.024 AVLSTR016 unnamed tributary to Powell Creek. Flow from private pond off Duke property 03/11/2014 <2 1.3 <5 8 0.027 9.2 <2 60 <0.01 AVLSTR017 Powell Creek., Spillway discharge Lake Julian 03/11/2014 <2 1.6 <5 7.4 0.03 5.8 <2 47 <0.01 AVLSTRO18 Intermittent stream 03/11/2014 <2 1 <5 2 0.049 19 <2 78 <0.01 AVLSTR023 Stream at I-26 culvert. 1982 pond discharge and other valley flow 03/11/2014 <2 2.6 <5 17 0.31 130 <2 226 0.015 AVLSTR024 culvert carrying stream 03/11/2014 <2 2 15 7.2 8.40E-02 11 <2 28 <0.01 AVLSTR051 Flowing stream. Outlet to FBR. 03/10/2014 2.2 2.6 5 11 0.31 59 <2 279 0.019 AVLSTRO52 Stream sample, east side of gravel road. 03/10/2014 <2 5.8 9.8 13 2 240 <2 1390 0.034 Stream before small beaver dam, selected area to avoid diluton with inflow from FBR but nearest point. Former WW outfall AVLSTR054 combined with 1964' (BUNCO -097) basin toe drain flow. 03/10/2014 14 6.5 <5 23 1.7 340 <2 662 0.034 Currently just 1964' (BUNCO -097) basin flow combined with stream from south. AVLSTR056 Contributing stream, prior to confluence with 1964' (BUNCO- 03/10/2014 2.4 3.4 <5 28 0.42 170 <2 387 0.025 097) toe drain stream. Note iron oxide staining on stream bed. AVLSTR057 Clear, no observed iron staining etc. 03/10/2014 <2 2.1 <5 7.9 0.094 11 <2 54 0.01 Stream, appears to connect to 059 sample but main channel is AVLSTR060 sourced north. No flow currently but would flow during wet 03/10/2014 <2 1.4 <5 13 0.14 110 <2 188 0.016 conditoins. Stream, clear with heavey Fe stained bed, silty. No platy Fe AVLSTR061 bacteria on surface. May suggest this drains wetland area fed by 03/10/2014 <2 3 <5 19 0.32 170 <2 244 0.017 1982 pond outfall. AVLSTR063 Pooled stream, with 2 forks south. Appears to be from wetland 03/10/2014 <2 4 <5 26 0.35 170 <2 296 0.018 south. AVLSTR064 Stream, Fe bacteria on surface and orange Fe precipitate on leaf 03/10/2014 3.3 5.3 <5 17 0.8 390 <2 550 0.028 litter bed. AVLSTR065 Surface water discharge after driveway culvert. Flow originates 03/10/2014 <2 2.9 <5 24 7.30E-02 14 <2 140 0.049 east of Property, Possiblyto pond. AVLTD066 Discharge from seeps at toe of dam 03/11/2014 <2 1.2 <5 8.9 0.019 3.8 <2 20 0.037 Unpermitted currently but referenced in last permit application. AVLTD070 Toe drain sample of 1964' (BUNCO -097) inactive basin BUNCO- 03/11/2014 17 6.7 5.7 19 2.2 310 <2 788 0.028 097 AVLTD071 Unpermitted currently but referenced in last permit application. 03/11/2014 12 7.3 <5 20 1.7 270 <2 748 0.029 Toe drain sample of 1964' (BUNCO -097) inactive basin. P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Report! ng\tables\Table 9-4 NCDENR Analytical Results (2014 Seeps).xlsx Page 5 of 6 TABLE 9-4 NC DENR 2014 SEEP ANALYTICAL RESULTS ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Prepared by: BER/SRW Checked by: KLS Notes - Bold highlighted concentration indicates exceedance of the 15A NCAC 02L Standard, Appendix 2, April 1, 2013 0 - Bold highlighted concentration indicates exceedance of the 15A NCAC 02B Standard, May 15, 2013. ORP = Oxidation Reduction Potential Total Analytical Parameter Nickel Potassium Selenium Sodium Strontium Sulfate Thallium Dissolved Zinc TOT = Total Solids Reporting Units ug/I mg/I ug/I mg/l mg/I mg/I ug/l mg/I mg/I 15A NCAC 02L Standard 100 NE 20 NE NE 250 0.2- 500 1 * 15A NCAC 02B Standard 88 NE 5 NE 40 0.47 NE 0.05 Sample ID Sample Decription Sample Analytical Results mV = millivolts NM = Not Measured Collection Date * - Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Unpermitted outfall currently but referenced in last permit application. West pipe sample, left facing dam. CRP outlet. AVLTD073 Engineered TD. Unpermitted toe drain outfall from 1982 active 03/11/2014 2.4 2.6 <5 19 0.37 130 <2 360 0.018 basin, BUNCO -089. Outlet structures have weir box per discharae Unpermitted outfall currently but referenced in last permit application. East pipe sample, right facing dam. CRP outlet. AVLTD074 Engineered TD. Unpermitted toe drain outfall from 1982 active 03/11/2014 2.7 2.1 <5 16 0.33 120 <2 170 0.015 basin, BUNCO -089. Outlet structures have weir box per AVLTDO90 Toe drain seepage from culvert at 1964 dam. 05/05/2014 11 7.3 8.1 9.5 0.46 200 <2 0.023 AVLWTLD008 Flow in wetland at concrete pipe. Pipe may be stormwater from 03/10/2014 <2 2.8 <5 18 0.5700001 200 <2 395 0.03 interstate. Likely old infrastructure AVLWTLD010 Wetland discharging to adjacent wetland pool flowing north 03/10/2014 2.6 5.3 <5 35 0.4 200 <2 296 0.021 AVLWTLD058 Pond, no discernable overland flow to FBR. Organic matter on 03/10/2014 <2 0.4 <5 17 0.027 30 <2 83 0.015 and bed no iron oxide. Clear. AVLWTLD059 Ponded wetland, clear with no obvious Fe oxide. No obvious 03/10/2014 <2 1.6 <5 12 0.31 140 <2 198 0.017 channel connection to FBR. AVLWTLD062 Small stream flowing south from drained wetland area. 03/10/2014 <2 3 <5 19 0.33 170 <2 254 0.018 AVLWW001 Permitted WW outfall - concrete 03/10/2014 12 9.3 57 13 0.64 230 <2 583 0.033 West end of culvert under I-26. Drains 1964' (BUNCO -097) toe AVLW WO55 drain flow and contributing streams. Sample and photos are 03/10/2014 16 7 <5 21 2.2 370 <2 782 1.4 from the west side (FBR side) after flow under I-26. AVLW WO69 Stilling pond. Receives SW, sluice water from ash pond, etc. 03/11/2014 11 9.5 53 13 0.6300001 210 <2 600 0.032 Riser is RCP constructed within last 5 Years. Permitting outfall 005. Inside of building. Receives FGD blow AVLW W072 down water after pre-treatment and constructed wetland 03/11/2014 22 15 270 48 2.6 520 <2 5644 0.053 treatment. Unpermitted internal WW outfall. Commonly referred to as 'duck AVLWW076 pond' which is remaining active (wet) portion of 1964' (BUNCO- 03/11/2014 8.4 9.5 34 12 0.48 170 <2 350 0.031 097) inactive basin. Unlined. Outfall is piped HDPE to stilling pond, permitted outfall 001. Prepared by: BER/SRW Checked by: KLS Notes - Bold highlighted concentration indicates exceedance of the 15A NCAC 02L Standard, Appendix 2, April 1, 2013 0 - Bold highlighted concentration indicates exceedance of the 15A NCAC 02B Standard, May 15, 2013. ORP = Oxidation Reduction Potential ng/I = nanogram per liter DIS = Dissolved NA = Not available TOT = Total NE = Not established Temp = Temperature NTUs = nephelometric turbidity unit DO = Dissolved Oxygen S.U. = Standard Unit Deg C = Degree Celsius ug/1 = microgram per liter mg/l = milligram per liter umhos/cm = micro siemens per centimeter mg-N/L = milligram nitrogen per liter Spec Cord = Specific Conductance mV = millivolts NM = Not Measured < = concentration not detected at or above the reporting limit. * - Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April, 1, 2013. P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Report! ng\tables\Table 9-4 NCDENR Analytical Results (2014 Seeps).xlsx Page 6 of 6 TABLE 9-5 15A NCAC 2B EXCEEDANCES IN SEEPS AND SURFACE WATER ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Analytical Parameter pH Aluminum Arsenic Chloride Cobalt Copper Mercury Selenium Thallium Zinc Reporting Units S.U. ug/l ug/l mg/l ug/l mg/l ng/L ug/l ug/l mg/1 15A NCAC 02B Standard 6-9 87 10 230 4 0.007 12 5 0.47 0.05 Sample ID Sample Collection Date Analytical Results A-01 04/02/2015 BE 3210 BE BE BE BE 36.7 6.18 BE BE B-01 04/01/2015 BE 468 BE 510 BE BE BE BE BE BE C-01 04/01/2015 BE 735 BE BE 16.9 BE BE BE BE BE C-02 04/06/2015 BE 137 BE BE 21.7 BE BE BE BE BE D-01 04/01/2015 BE BE BE BE BE BE BE BE BE BE E-01 04/01/2015 BE 176 BE BE BE BE BE BE BE BE F-01 04/01/2015 BE 200 BE BE BE BE BE BE BE BE F-02 04/01/2015 5.5 BE BE BE BE BE BE BE BE BE FB -01 06/02/2015 BE 1650 BE BE BE BE BE BE BE BE FB -01 DUP 06/02/2015 BE 1180 BE BE BE BE BE BE BE BE FB -02 06/02/2015 BE 1690 BE BE BE BE BE BE BE BE K-01 04/06/2015 BE 117 BE BE BE BE BE BE BE BE M-01 04/06/2015 BE BE BE BE BE BE BE BE BE BE P-01 04/02/2015 BE 335 BE BE BE BE BE BE BE 0.243 P-01 DUP 04/02/2015 BE 348 BE BE BE BE BE BE BE 0.084 SW -01 04/02/2015 BE BE BE BE BE BE BE BE BE BE SW -04 04/02/2015 5.5 1840 BE BE BE BE BE 6.34 BE BE SW -05 04/06/2015 BE 3180 81.1 BE 8.37 0.00789 BE 25.4 0.574 BE SW -05 DUP 04/06/2015 BE 1380 77.9 BE 5.89 BEBE 26.9 0.505 BE SW -06 04/09/2015 BE 1220 BE BE BE BE BE BE BE BE SW -07 DUP 04/09/2015 BE 124 BE BE BE BE BE BE BE I BE Prepared by: BER/SRW Checked by: KLS Notes: - Bold highlighted concentration indicates exceedance of the 15A NCAC 02B Standard, May 15, 2013. mg/I = milligrams per liter ug/I = microgram per liter S.U. = Standard units BE = indicates concentration was below the 15A NCAC 02B Standard, May 15, 2013. DUP = Duplicate P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\ Table 9-5 2B Exceedances in Seeps and Surface Water.xlsx Page 1 of 1 TABLE 10-1 EXPLORATION AND SAMPLING PLAN - WATER ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Sample ID Initial Date Sampled Second Date Sampled GW Assessment Radium/Uranium Parameters Iron Manganese Speciation Arsenic Selenium Chromium ABM W-02 3/17/2015 5/27/2015 X X X X X X X ABM W -02S 3/17/2015 5/27/2015 X X X X X X X ABM W-04 3/31/2015 5/26/2015 X X X X X X ABMW-04BR ABM W -04D 3/31/2015 5/26/2015 X X X X X X ABM W-05BR 4/13/2015 5/27/2015 X X X X X X ABM W -05D 4/12/2015 5/26/2015 X X X X X X ABM W -05S 4/13/2015 5/26/2015 X X X X X X ABMW-06BR ABMW-07 ABMW-07BR ABM W -07S 4/12/2015 5/27/2015 X X X X X X ABM W-08 5/14/2015 5/21/2015 X ADP -7 5/13/2015 X AMW-1B 5/19/2015 X AMW-2 5/19/2015 X AMW-3A 5/12/2015 X AMW-3B 5/12/2015 X CB -01 7/6/2015 X CB-01BR CB -01D 4/28/2015 5/21/2015 X CB -02 7/7/2015 X X CB -03 5/19/2015 X CB -03R 7/8/2015 X X X CB -04 7/8/2015 X X CB -04B 7/7/2015 X X CB -05 7/9/2015 X X X CB -06 7/8/2015 X X X CB -07 7/8/2015 X CB -08 7/6/2015 X X CB-08BR 5/11/2015 5/22/2015 X CB -08D CB -09 7/6/2015 X X CB-09BR 4/27/2015 5/28/2015 X X X X X CB-09SL 4/27/2015 5/28/2015 X X X DP -01 5/13/2015 X GW -01 7/6/2015 X X GW-01BR 5/14/2015 5/27/2015 X X X X X X GW -01D 5/7/2015 5/28/2015 X X X X X X GW -02 5/14/2015 X GW -03 5/14/2015 X GW -04 5/18/2015 X M W-01BR 5/11/2015 5/21/2015 X MW -01D 5/11/2015 5/21/2015 X M W-02BR 4/13/2015 5/21/2015 X MW-03BR MW -03D 5/7/2015 5/21/2015 X MW -04D 4/28/2015 5/21/2015 X MW-05BR 5/4/2015 5/28/2015 X X X MW -05D 5/7/2015 5/27/2015 X X X X X X MW-06BR MW -06D 4/15/2015 5/21/2015 X MW -06S 4/15/2015 5/21/2015 X MW-07BR MW-08BR MW -08S 3/6/2015 5/27/2015 X X X X X X MW-09BR 5/4/2015 5/21/2015 X MW -09D 5/4/2015 5/21/2015 X Mw -09S 4/27/2015 5/21/2015 X MW -10 5/12/2015 X MW -11 5/20/2015 X MW -11D 2/12/2015 5/20/2015 X MW-12BR MW -12D 3/31/2015 5/21/2015 X MW-13BR 3/3/2015 5/20/2015 X MW -13D 2/12/2015 5/20/2015 X M W-14BR 2/13/2015 5/20/2015 X MW -15A 3/4/2015 5/20/2015 X MW-15BR MW -15D 3/4/2015 5/20/2015 X MW -16 3/11/2015 X M W-16BR 3/11/2015 5/28/2015 X X X MW -16A 5/28/2015 X X X MW -17A 3/3/2015 5/21/2015 X M W-18BR 5/4/2015 5/28/2015 X X X X MW -18D 5/4/2015 5/28/2015 X X X MW-19BR MW -20A 6/24/2015 X MW -21D 6/30/2015 X X X X X X M W-22BR 6/30/2015 X X X X X X MW -22D 6/30/2015 X X X X X X MW-23BR MW-23DL 6/30/2015 X X X X X X M W-23DU 6/24/2015 X X X X X X MW-24BR MW -24S 5/11/2015 6/1/2015 X X X X Prepared by: BER Check by: KLS P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 10-1 Exploration and Sampling Plan - WATER Page 1 of 1 TABLE 10-2 ASH PORE WATER, GROUNDWATER, SURFACE WATER, AND SEEP ANALYTICAL METHODS ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Parameter I Reporting Limits lUnits IMethod FIELD PARAMETERS H NA SU Field Water Quality Meter Specific Conductance NA µS/cm Field Water Quality Meter Temperature NA oC Field Water Quality Meter Dissolved Oxygen NA m L Field Water Quality Meter Oxidation Reduction Potential NA mV Field Water Quality Meter Turbidity NA I NTU I Field Water Quality Meter Ferrous Iron INA m L Field Test Kit INORGANICS Aluminum 0.005 m L EPA 200.7 or 6010C Antimony 0.001 m L EPA 200.8 or 6020A Arsenic 0.001 m L EPA 200.8 or 6020A Barium 0.005 m L EPA 200.7 or 6010C Beryllium 0.001 m L EPA 200.8 or 6020A Boron 0.05 m /L EPA 200.7 or 6010C Cadmium 0.001 m L 1 EPA 200.8 or 6020A Chromium 0.001 m L EPA 200.7 or 6010C Cobalt 0.001 m L EPA 200.8 or 6020A Copper 0.005 m L EPA 200.7 or 6010C Iron 0.01 m L EPA 200.7 or 6010C Lead 0.001 m L EPA 200.8 or 6020A Manganese 0.005 m L EPA 200.7 or 6010C Mercury low level 0.000012 m L EPA 245.7 or 1631 Molybdenum 0.005 m L EPA 200.7 or 6010C Nickel 0.005 m L EPA 200.7 or 6010C Selenium 0.001 m L EPA 200.8 or 6020A Strontium 0.005 m /L EPA 200.7 or 6010C Thallium low level 0.0002 m L I EPA 200.8 or 6020A Vanadium low level 0.0003 m L 1 EPA 200.8 or 6020A Zinc 10.005 m L 1EPA 200.7 or 6010C RADIONUCLIDES Radium 226 11 Ci L JEPA 903.1 Modified Radium 228 13 Ci/L JEPA 904.0/SW846 9320 Modified Uranium 233 234 236 238 Varies by Isotope lug/mL ISW846 3010A 6020A ANIONS/CATIONS Alkalinity as CaCO3 20 m L SM 23208 Bicarbonate 20 m L SM 2320 Calcium 0.01 m L EPA 200.7 Carbonate 20 m L SM 2320 Chloride 0.1 m L EPA 300.0 or 9056A Magnesium 0.005 m L EPA 200.7 Methane 0.1 m L IRSK 175 Nitrate as Nitrogen 0.023 m -N L EPA 300.0 or 9056A Potassium 0.1 m L EPA 200.7 Sodium 0.05 m L EPA 200.7 Sulfate 0.1 m L EPA 300.0 or 9056A Sulfide 0.05 m L SM450OS-D Total Dissolved Solids 125 m L ISM 2540C Total Organic Carbon 10.1 m L ISM 5310 Total Suspended Solids 12 m L ISM 2450D ADDITIONAL GROUNDWATER CONSTITUENTS Arsenic Speciation Vendor Specific m L IC -ICP -CRC -MS Chromium Speciation Vendor S ecific m L IC -ICP -CRC -MS Iron S eciation Vendor Specific m L IC -ICP -CRC -MS Man anese Speciation Vendor Specific m L IC -ICP -CRC -MS Selenium Vendor Specific m /L IC -ICP -CRC -MS Prepared by: RBI Checked by: BDW Notes: 1. Select constituents will be analyzed for total and dissolved concentrations. NA indicates not applicable. P \Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 10-2ASH PORE WATER, GROUNDWATER, SURFACE WATER, AND SEEP COCPS AND ANALYTICAL METHODS.xlsx Page 1 of 1 TABLE 10-3 GROUNDWATER ANALYTICAL RESULTS ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC P:\Duke Energy Progress.1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 10-3 Groundwater Analytiral Results Page 1 of 4 assignment Field Parmeter Analytical Results ��mm��m®m�mmmmmmmm®m�mm�®gym®m�m�m� ��mm��m®m�mmmmmmmm®m�mm�®gym®m�m�m� ��mm�m��mm�®mmmmmmmm��mm��mmmm��mm ��®�m��®®��mm�m�mmmmmmmm�mm�m�m�mmm�m� ��m��omm�mmmmmmm®m��mm��®mmmm ��m��m®m�mmm�mmmm®m®mmm®mmmm®mmm ��®�m��®m®m�mmmmm®mm®m�mm�®gym®m®mmmm P:\Duke Energy Progress.1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 10-3 Groundwater Analytiral Results Page 1 of 4 TABLE 10-3 GROUNDWATER ANALYTICAL RESULTS ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Prepared by: BER/SRW Checked by: KISS Notes: F-7 - Bold highlighted concentration indicates exceedance of the 15A NCAC 02L Standard, Appendix 2, April 1, 2013 ORP = Oxidation Reduction Potential Assignment DIS = Dissolved NTU = nephelometric turbidity unit TOT = Total S.U. = Standard Unit Temp = Temperature ug/I = microgram per liter DO = Dissolved Oxygen umhos/cm = micro mhos per centimeter Deg C = Degree Celsius Spec Cond = Specific Conductance mg/I = milligrams per liter NM = Not Measured mg-N/L = miligram nitrogen per liter DUP = Duplicate Qualitative Redox State derived using USGS Excel® Workbook for Identifying Redox Processes in ground water. < = concentration not detected at or above the reporting limit. * - Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April, 1, 2013. NA = Not analyzed for March/June 2015 NPDES Compliance Sampling Event Field Parmeter Analytical Results ��m��m�®mmmmmmmmmmmm��mm��mm�� ®�®mmm®��m©mmmmmmmmmm��mm®�®mmmm��m� ��m��©mmmmmmmmmmmm��mm��mmm�� ®m��mm®mmmmmmmmmmmmmm��®mm�� ®m��m®gym®mmmmmmmmmm®mmmm��®mm��m� ��®gym®�m��m®mmmmm�mmmm®m�mm�®gym®mmm�m� ��m®®®m®�mmmmmmmmmmmm��mm��®®mmm�� : ��m��m®©�mmmmmmmmm®mmmmmm®��mmmm��mm ��m��m��omm®mmmmmmmmm��mm��mmmm ��m��m��®®mmmmmmmmmm®��mm��mmmm ��o��o��m®mmmmmmmmmm��mm®��mmmm��m ��m��®��mommmmmmmmmm��mm®gym®mmm��mm ��m��mmm�mmmmmmmmm��mm��mmmmm Prepared by: BER/SRW Checked by: KISS Notes: F-7 - Bold highlighted concentration indicates exceedance of the 15A NCAC 02L Standard, Appendix 2, April 1, 2013 ORP = Oxidation Reduction Potential NE = Not established mV = millivolts DIS = Dissolved NTU = nephelometric turbidity unit TOT = Total S.U. = Standard Unit Temp = Temperature ug/I = microgram per liter DO = Dissolved Oxygen umhos/cm = micro mhos per centimeter Deg C = Degree Celsius Spec Cond = Specific Conductance mg/I = milligrams per liter NM = Not Measured mg-N/L = miligram nitrogen per liter DUP = Duplicate Qualitative Redox State derived using USGS Excel® Workbook for Identifying Redox Processes in ground water. < = concentration not detected at or above the reporting limit. * - Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April, 1, 2013. NA = Not analyzed for March/June 2015 NPDES Compliance Sampling Event P:\Duke Energy Progress.1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 10-3 Groundwater Analytical Results Page 2 of 4 TABLE 10-3 GROUNDWATER ANALYTICAL RESULTS ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC P:\Duke Energy Pmgress.1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 10-3 Groundwater Analytical Results Page 3 of a Analytical Results ��mm�m�m�mmmmmmmmmo�mmm•mmm��m©mmmma ��m®��m��mmmtm®��®m��m•m.m�m��m�m��m,� ��mm�mmm�mmmmmm�mmmsmmm■mmm�®mommm� ��mm�®m��mm®m��mm��m•m.m�m�®mom®�� mm�m®��mm®m�mmmmm�m�m�m■m.m�m�mm�m�m�m�mtm� ��mm®mm��®mmm�mmmm�m�m�m■m.m�m�m�o��mt� ��mm��®��mmmmm��©�®m��m•mm�m��o��ma ��mm��®mm®m■��mm�m��m•m.m�m��o��ma ��mm��®mmmmml�mm��m�m•m.m�m��®��m�m� ��mm��®�®mam■mm�®��mm�m��®�m�mtm� ��mm��mm®m■®mmmm��m■m.m�m�m�®�� mm�®��mmmm■®mmmm®��m■m.m�m�m�®��ma ��mmm��mm®ms�mmmm�m�m�m•m.m�m��m�®��mt� ��mm��®mmtm■ml�mmmsm�m�mm.m�m��m�®��mt ��mm��mmmtmsm■��®��mm.m�m��o�m�mt ��mm��®mmtm■m■m�mmm��m�®m.m�m�m�m��mt ��mm�m®m�mmmmmsm■mmmm�mm�m•mmm�m�mm�m ��mm��mmmtm■�®mm®�m�m•m.m�m��®��mtm� ��mm��mmmmm■m!®mm�m��mm.m�m��®��m, ��mm��mmmms��mm��m•m.m�m��om�m�mt ��mm®mm��msmmmm©�®®©m�m�m■m•m�m�®�®��mt� ��mm��0®®mt®ms®mm��m■m•m�m��©�m�mt� ��mm��®®m�mmmmm�m�m�m•�m�m��m�o�� mm®®®��m•��mtm■��mmmm��®®m�m��m�m��m,ma ��mm�®��m•mmmmm�®mm��mm.m�m��o��mt� ��mm��m•mmmt®m,�mm��mm.m�m��®®��m�ma ��mm®®��mtm■m��mm�m�m�®m.m�m�m�o�m�mtm� ��mm�m�m�mmmmmmmmmm�mmm•mmm��mmmmm ��mm�m�mmsmmmmmm�m��mmm•mmm��m®mmm� ��mm�m�mm�mmmmmm®m�m�mmm•mmm��m®mmm� ��mm��mmmtm®mmm��m�m�m•m.m�m��m�®��m,� ��mm�m�mm�mm®mmm■mmm��mmm•mmm��m®m�m� ��mm�m�mm�mmmmmm�mm��mm®mmm�mm®mmmms ��mm��®�m��mmmtm©��mm■m�m�m�®��mt� P:\Duke Energy Pmgress.1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 10-3 Groundwater Analytical Results Page 3 of a TABLE 10-3 GROUNDWATER ANALYTICAL RESULTS ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Prepared by: BER/SRW Checked by: KLS Notes: O - Bold highlighted concentration indicates exceedance of the 15A NCAC 02L Standard, Appendix 2, April 1, 2013 ORP = Oxidation Reduction Potential NE = Not established mV = millivolts DIS = Dissolved NTU = nephelometric turbidity unit TOT =Total S.U. = Standard Unit Temp = Temperature ug/I = microgram per liter DO = Dissolved Oxygen umhos/cm = micro mhos per centimeter Deg C =Degree Celsius Spec Cond = Specific Conductance mg/I = milligrams per liter NM = Not Measured mg-N/L = miligram nitrogen per liter DUP = Duplicate Qualitative Redox State derived using USGS Excel® Workbook for Identifying Redox Processes in ground water. < = concentration not detected at or above the reporting limit. * - Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April, 1, 2013. 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NA = Not analyzed for March/June 2015 NPDES Compliance Sampling Event P:\Duke Energy Progress.1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 10-3 Groundwater Analytical Results Page 4 of 4 TABLE 10-4 15A NCAC 2L STANDARD EXCEEDANCES IN GROUNDWATER ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Prepared by: BER/SRW Checked by: KLS Notes: 0 - Bold highlighted concentration indicates exceedance of the 15A NCAC 02L Standard, Appendix 2, April 1, 2013. ug/I = microgram per liter mg/I = milligrams per liter S.U. = Standard Units *- Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April, 1, 2013. BE = indicates concentration was below the 15A NCAC 02L Standard, April 1, 2013. DUP = Duplicate P:\Duke Energy Progress.1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 10-4 2L Exceedances in Groundwater Page 1 of 1 Analytical Parameter phi Antimony Arsenic Beryllium Boron Cadmium Chloride Chromium Cobalt Iron Manganese Nickel Nitrate (as N) Selenium Sulfate Thallium Total Dissrds Solids Vanadium Reporting Units S.U. ug/I ug/1 ug/I ug/I ug/I mg/I ug/I ug/I ug/I ug/I ug/I mg-N/L ug/I mg/I ug/I mg/I ug/I ISA NCAC 02L Standard 6.5-8.5 1 * 10 4- 700 2 250 SO 1- 300 50 100 10 20 250 0.2 * 500 0.3 sample ID SamPle Collection Date Analytical Results CB -05 04/06/2015 BE BE BE BE BE BE BE BE BE 19600 594 BE BE BE BE 0.239 BE BE CB -05 07/09/2015 6 BE BE BE BE BE BE BE BE 25400 488 BE BE BE BE BE BE 0.855 CB -06 04/06/2015 6 BE BE BE BE BE BE BE 1.42 14600 3330 BE BE BE BE BE BE BE CB -06 07/08/2015 5.9 BE BE BE 807 BE BE BE 2.21 22000 3950 BE BE BE BE BE 520 BE CB -07 04/06/2015 5.9 BE BE BE BE BE BE BE BE BE BE BE BE 21.3 BE BE BE BE CB -07 07/08/2015 5.8 BE BE BE BE BE BE BE BE BE BE BE BE BE BE BE BE 0.574 MW -10 05/12/2015 5 BE BE BE BE BE BE BE 4.29 369 340 BE BE BE BE BE BE BE j MW -11 05/20/2015 5 BE BE BE BE BE BE BE 2.14 BE 407 BE BE BE BE BE BE BE QMW -15A 03/04/2015 5.4 BE BE BE BE BE BE BE 1.25 879 1060 BE BE BE BE BE BE BE MW -15A 05/20/2015 4.9 BE BE BE BE BE BE BE BE BE 840 BE BE BE BE BE BE BE MW -16A 03/11/2015 5.3 BE BE BE BE BE BE BE 1.01 522 1980 BE BE BE BE BE BE BE MW -16A DUP 03/11/2015 5.3 BE BE BE BE BE BE BE 1.1 538 2000 BE BE BE BE BE BE BE MW -16A 05/28/2015 5 BE BE BE BE BE BE BE 1.35 BE 1940 BE BE BE BE BE BE BE MW -17A 03/03/2015 6.3 BE BE BE 1060 BE 330 BE 26.3 8970 12800 BE BE BE BE BE 1300 0.401 MW -17A 05/21/2015 6.2 BE BE BE 1540 BE 390 BE 25.8 40600 11900 BE BE BE BE BE 1200 2.63 MW -20A 06/24/2015 6.02 BE BE BE BE 2.01 BE BE 16.4 16300 15800 BE BE BE BE BE BE 0.328 ABMW-02S 03/17/2015 4.2 BE 11.2 11 760 2.96 BE BE 569 1120 17500 233 BE BE 610 0.369 640 BE ABMW-025 05/27/2015 4.1 BE 16 12.5 751 3.3 BE BE 578 557 16200 247 BE BE 730 0.333 670 0.666 ABMW-02S DUP 05/27/2015 4.1 BE 16 12.6 761 3.24 BE BE 576 453 16500 245 BE BE 720 0.329 660 0.421 ABMW-055 04/13/2015 5.9 BE BE BE BE BE BE BE 14.3 BE 395 BE BE BE BE BE BE BE ABMW-05S 05/26/2015 5.8 BE BE BE BE BE BE BE 16.7 4800 537 BE BE BE BE 0.309 BE BE ABMW-075 04/12/2015 BE BE BE BE BE BE BE BE 6.12 BE 798 BE BE BE BE 0.311 BE 0.76 ABMW-07S 05/27/2015 6.3 BE BE BE 789 BE BE BE 3.5 BE 763 BE BE BE BE 0.664 BE BE AMW-03A 05/12/2015 12.1 BE BE BE BE BE BE BE BE BE BE BE BE BE BE BE BE 8.98 APD -07 05/13/2015 5.5 BE BE BE BE BE BE BE BE BE BE BE BE BE BE BE BE BE CB -01 04/07/2015 4.9 BE BE BE BE BE BE BE 1.94 BE BE BE BE BE BE BE BE BE CB -01 07/06/2015 4.7 BE BE BE BE BE BE BE 1.95 BE BE BE BE BE BE BE BE BE CB -02 04/07/2015 5.4 BE BE BE BE BE BE BE 4.26 319 3030 BE BE BE BE BE BE BE CB -02 07/07/2015 5.3 BE BE BE BE BE BE BE 4.17 BE 3000 BE BE BE BE BE BE BE CB -04 04/08/2015 5.1 BE BE BE BE BE BE BE 1.63 BE 747 BE BE BE BE BE BE BE CB -04 07/08/2015 5.2 BE BE BE BE BE BE BE 5.41 3340 920 BE BE BE BE BE BE 4.68 CB -09 04/07/2015 5 BE BE BE BE BE BE BE 1.36 653 BE BE BE BE BE BE BE BE CB -09 07/06/2015 4.9 BE BE BE BE BE BE BE BE BE BE BE BE BE BE BE BE BE CB-09SL 04/27/2015 6 BE BE BE BE BE BE BE 1.21 475 125 BE BE BE BE BE BE 0.56 CB-09SL 05/28/2015 5.8 BE BE BE BE BE BE BE BE BE 71 BE BE BE BE BE BE BE DP -01 05/13/2015 BE BE 1180 BE BE BE BE BE 20.7 8770 1570 BE BE BE BE BE BE 3.12 GW -03 05/14/2015 5.6 BE BE BE 1170 BE BE BE 17.2 485 555 BE BE BE BE BE BE 0.301 MW -065 04/15/2015 5.5 BE BE BE 1090 BE BE BE 15.5 645 10000 BE BE BE BE BE BE 0.543 MW -06S 05/21/2015 5.3 BE BE BE 1050 BE BE BE 6.17 BE 9970 BE BE BE BE BE BE BE MW -085 03/06/2015 6 BE BE BE 5030 BE 450 BE 7.73 BE 2850 BE BE BE 260 BE 1500 0.342 MW -08S 05/27/2015 5.9 BE BE BE 5330 BE 450 BE 3.09 BE 2830 BE BE BE 290 BE 1900 BE MW -095 04/27/2015 5.5 BE BE BE 4730 BE 560 BE 15.8 BE 4290 BE BE 36.6 BE 0.294 1700 BE MW -09S 05/21/2015 5.5 BE BE BE 4800 BE 570 BE 5.9 BE 3630 BE BE 40.6 270 BE 1700 BE MW -245 05/11/2015 5 BE BE BE BE BE BE BE 2.05 304 170 BE BE BE BE BE BE BE MW -24S 06/01/2015 5.2 BE BE BE BE BE BE BE 1.02 BE 136 BE BE BE BE BE BE BE P-100 05/19/2015 5.4 BE BE BE 732 BE BE 12.7 35.9 545 3380 BE BE BE BE BE BE 0.457 P-101 05/19/2015 5.7 BE BE BE 1200 BE BE BE 14.3 BE 2320 BE BE BE BE BE BE BE P-103 05/20/2015 5.6 BE BE BE BE BE BE BE 20 724 7410 BE BE BE BE BE BE 0.488 P-104 05/19/2015 5.7 BE BE BE BE BE BE BE 26.8 737 1150 BE BE BE BE BE BE 0.559 P-105 05/13/2015 5 BE BE BE BE BE BE BE 3.97 422 120 BE BE BE BE BE BE 0.584 PZ -19 05/20/2015 5.7 2.16 BE BE 969 BE BE BE BE 471 272 BE BE BE BE 0.252 BE 0.99 PZ -22 05/18/2015 5.5 BE BE BE 1210 BE BE BE 6.95 2300 2230 BE BE BE BE BE BE BE PZ -23 05/18/2015 5.4 BE BE BE BE BE BE BE 22.4 358 3640 BE BE BE BE BE BE 0.389 PZ -24 05/19/2015 6 BE BE BE BE BE BE BE 4.35 69200 2000 BE BE BE BE BE BE 4.25 PZ -26 05/19/2015 4.8 BE BE BE BE BE BE BE 2.23 BE BE BE BE BE BE BE BE BE ABMW-04D 03/31/2015 6.1 BE BE BE 1050 BE BE BE 67.3 8370 6070 BE BE BE BE BE BE 0.789 ABMW-04D 05/26/2015 5.7 BE BE BE 1080 BE BE BE 54.2 6360 5820 BE BE BE BE 0.319 BE 0.564 ABMW-04D DUP 05/26/2015 5.7 BE BE BE 1080 BE BE BE 54.6 6290 5790 BE BE BE BE 0.291 BE 0.451 ABMW-05D 04/12/2015 6.2 BE BE BE BE BE BE BE 1.2 21100 517 BE BE BE BE BE BE BE ABMW-05D 05/26/2015 6.1 BE BE BE BE BE BE BE BE 19000 369 BE BE BE BE BE BE BE AMW-02A 05/19/2015 5.7 BE BE BE BE BE BE BE 21.2 16800 2950 BE BE BE BE BE BE BE CB -01D (4/28/2015 BE BE BE BE BE BE BE BE 2.54 528 226 BE BE BE BE BE BE 0.416 CB -011) 05/21/2015 6.4 BE BE BE BE BE BE BE 1.66 589 286 BE BE BE BE BE BE 0.34 CB -03 05/19/2015 5.8 BE BE BE 947 BE BE BE 1.88 844 331 BE BE BE BE 0.398 BE 0.675 CB -03R 04/08/2015 5 BE BE BE BE BE BE 20 17.1 6240 510 BE BE BE BE BE BE BE CB -03R 07/08/2015 4.5 BE BE BE 720 BE BE BE 29.9 2980 754 BE 25 BE BE 0.257 BE 2.7 CB -08 04/07/2015 5.1 BE BE BE 2350 BE BE BE 2.54 BE 1120 BE BE BE BE BE 710 BE CB -08 DUP 04/07/2015 5.1 BE BE BE 2330 BE BE BE 2.76 BE 1110 BE BE 20.1 BE BE 730 BE CB -08 07/06/2015 5.1 BE BE BE 2310 BE BE BE 2.68 BE 1080 BE BE BE BE BE 840 BE CB -08 DUP 07/06/2015 5.1 BE BE BE 2320 BE BE BE 2.71 BE 1080 BE BE BE BE BE 860 BE GW -01 04/07/2015 4.8 BE BE BE BE BE BE BE 4.71 BE 507 BE BE BE BE BE BE BE GW -01 07/06/2015 4.8 BE BE BE BE BE BE BE 4.76 BE 551 BE BE BE BE BE BE BE GW-OID 05/07/2015 5.4 BE BE BE BE BE BE BE 7.77 951 369 BE BE BE BE BE BE 0.451 GW -DID 05/28/2015 5.3 BE BE BE BE BE BE BE 4.02 BE 240 BE BE BE BE BE BE BE GW -04 05/18/2015 5.5 BE BE BE 994 BE BE BE BE BE 185 BE BE BE BE BE BE 0.328 MW -01D 05/11/2015 5.3 BE BE BE BE BE BE BE 15.4 BE 248 BE BE BE BE BE BE BE y MW -01D 05/21/2015 5.5 BE BE BE BE BE BE BE 9.45 360 221 BE BE BE BE BE BE BE A MW -031) 05/07/2015 6.3 BE BE BE BE BE BE 194 3.88 12000 633 135 BE BE BE BE BE 1.75 MW -03D 05/21/2015 6 BE BE BE BE BE BE BE BE 12700 560 BE BE BE BE BE BE BE MW -04D 04/28/2015 5.5 BE BE BE BE BE BE BE 12.2 582 204 BE BE BE BE BE BE 0.379 MW -04D 05/21/2015 5.1 BE BE BE BE BE BE BE 5.28 BE 87 BE BE BE BE BE BE BE MW -05D 05/07/2015 5.5 BE BE BE BE BE BE BE 48 10100 557 BE BE BE BE BE BE BE MW -05D DUP 05/07/2015 5.5 BE BE BE BE BE BE BE 49.9 9590 569 BE BE BE BE BE BE BE MW -05D 05/27/2015 4 BE BE BE BE BE BE BE 39.1 4S4 456 BE BE BE BE BE BE BE MW -06D 04/15/2015 5.8 BE BE BE 1750 BE BE BE 7.47 406 5280 BE BE BE BE 0.236 BE 0.363 MW -06D 05/21/2015 5.5 BE BE BE 1680 BE BE BE 3.85 BE 4480 BE BE BE BE BE BE BE MW -09D 05/04/2015 5.8 BE BE BE 4420 BE 500 BE 26.9 3300 3670 BE BE 32.2 BE 0.327 1700 0.516 MW -09D 05/21/2015 5.5 BE BE BE 4620 BE 470 BE 17.8 2170 3730 BE BE BE 270 BE 1700 BE MW -11D 02/12/2015 5.9 BE BE BE BE BE BE BE 4.21 1870 503 BE BE BE BE BE BE 1.21 MW -11D 05/20/2015 5.3 BE BE BE BE BE BE BE 1.11 BE 159 BE BE BE BE BE BE BE MW -12D 03/31/2015 5.5 BE BE BE BE BE BE BE 11 433 480 BE BE BE BE BE BE 0.388 MW -12D 05/21/2015 5.2 BE BE BE BE BE BE BE 2.15 BE 155 BE BE BE BE 0.674 BE BE MW -13D 02/12/2015 BE BE BE BE BE BE BE BE 4.11 515 563 BE BE BE BE BE BE 1.67 MW -13D 05/20/2015 BE BE BE BE BE BE BE BE 6.75 2780 1300 BE BE BE BE BE BE 0.503 MW -15D 03/04/2015 6.2 BE BE BE BE BE BE BE BE BE 167 BE BE BE BE BE BE 0.333 MW -15D 05/20/2015 5.7 BE BE BE BE BE BE BE BE BE 87 BE BE BE BE BE BE 0.502 MW-1BD 05/04/2015 5.8 BE BE BE 807 BE BE BE 7.35 3530 1510 BE BE BE 260 BE 620 0.523 MW -18D 05/28/2015 6.1 BE BE BE 793 BE BE BE 4.61 6960 2870 BE BE BE 280 BE 650 BE MW -21D 06/30/2015 6.2 BE BE BE BE BE BE BE 1.66 4640 4560 BE BE BE BE BE BE BE MW -22D 06/30/2015 5.3 BE BE BE BE BE BE BE 2.5 BE 132 BE BE BE BE BE BE BE MW-23DL 06/30/2015 BE BE BE BE BE BE BE BE BE 11200 76 BE BE BE BE BE BE BE MW-23DU 06/24/2015 5.58 BE BE BE BE BE BE BE 36.9 BE 865 BE BE BE BE BE BE BE PZ -16 05/18/2015 5.8 BE BE BE BE BE BE 11.5 1.31 877 83 BE BE 27 BE BE BE 1.29 ABMW-05BR 04/13/2015 6.4 BE BE BE BE BE BE BE 1.45 17300 128 BE BE BE BE BE BE BE ABMW-OSBR 05/27/2015 BE BE BE BE BE BE BE 10.5 4.21 11400 157 BE BE BE BE BE BE BE AMW-01B 05/19/2015 BE BE BE BE BE BE BE BE BE 6660 362 BE BE BE BE BE BE BE AMW-03B 05/12/2015 BE BE BE BE BE BE BE BE BE BE BE BE BE BE BE BE BE 0.344 CB -04B 04/08/2015 BE BE BE BE BE BE BE BE BE 625 BE BE BE BE BE BE BE BE CB -04B 07/07/2015 BE BE BE BE BE BE BE BE BE 315 BE BE BE BE BE BE BE 0.699 CB-08BR 05/11/2015 BE BE BE BE BE BE BE BE BE 311 633 BE BE BE BE BE BE 0.678 CB-08BR 05/22/2015 BE BE BE BE BE BE BE BE BE 601 473 BE BE BE BE BE BE 0.437 CB-09BR 04/27/2015 8.9 BE BE BE BE BE BE BE BE 460 BE BE BE BE BE BE BE 3.03 CB-09BR 05/28/2015 BE BE BE BE BE BE BE BE BE 402 76 BE BE BE BE BE BE 0.499 GW-OIBR 05/14/2015 BE BE BE BE BE BE BE BE BE 1780 93 BE BE BE BE BE BE 0.575 GW-01BR 05/27/2015 BE BE BE BE BE BE BE BE BE 946 66 BE BE BE BE BE BE 1.08 GW -02 05/14/2015 5.5 BE BE BE 1050 BE BE BE 11.9 BE 1780 BE BE BE BE BE 720 BE MW-01BR 05/11/2015 BE BE BE BE BE BE BE BE BE 1370 64 BE BE BE BE BE BE BE MW-01BR 05/21/2015 BE BE BE BE BE BE BE BE BE 713 77 BE BE BE BE BE BE 0.322 i MW-02BR 04/13/2015 9 BE BE BE BE BE BE BE BE BE BE BE BE BE BE BE BE 0.372 MW-02BR 05/21/2015 8.8 BE BE BE BE BE BE BE BE BE BE BE BE BE BE BE BE 0.373 MW-05BR 05/04/2015 BE BE BE BE BE BE BE BE BE 18800 172 BE BE BE BE BE BE 0.368 MW-05BR 05/28/2015 BE BE BE BE BE BE BE BE BE 27900 244 BE BE BE BE 0.287 BE BE MW-09BR 05/04/2015 BE BE BE BE BE BE BE BE BE 1570 247 BE BE BE BE BE 760 0.379 MW-09BR 05/21/2015 BE BE BE BE BE BE BE BE SE 2540 317 BE BE BE BE BE 860 BE MW-13BR 03/03/2015 6.4 BE BE BE BE BE BE BE 1.7 335 268 BE BE BE BE BE BE 0.879 MW-13BR DUP 03/03/2015 6.4 BE BE BE BE BE BE BE 1.74 319 269 BE BE BE BE BE BE 0.82 MW-13BR 05/20/2015 5.4 BE BE BE BE BE BE BE BE BE 105 BE BE BE BE BE BE BE MW-14BR 02/13/2015 BE BE BE BE BE BE BE BE BE BE 216 BE BE BE BE BE BE 0.528 MW-16BR 03/11/2015 6.3 BE BE BE BE BE BE BE 3.49 60100 852 BE BE BE BE BE BE BE MW -168R 05/28/2015 5.9 BE BE BE BE BE BE BE 1.61 56900 715 BE BE BE BE BE BE BE MW-18SR 05/04/2015 5.9 BE BE BE 892 BE BE BE BE BE 1 227 BE BE BE 260 BE 660 0.554 MW-18BR 05/28/2015 5.7 BE BE BE 851 BE BE BE 1.02 BE 313 BE BE BE 290 BE 660 BE MW-22BR 06/30/2015 6.4 BE BE BE BE BE BE BE BE 16000 324 BE BE BE BE BE BE BE PZ -17D 05/15/2015 5.8 BE BE BE 889 BE BE BE BE 450 BE BE BE 22.2 BE BE BE BE PZ -17S 05/15/2015 5.4 BE BE BE BE BE BE BE BE BE BE BE BE BE BE BE BE BE Prepared by: BER/SRW Checked by: KLS Notes: 0 - Bold highlighted concentration indicates exceedance of the 15A NCAC 02L Standard, Appendix 2, April 1, 2013. ug/I = microgram per liter mg/I = milligrams per liter S.U. = Standard Units *- Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April, 1, 2013. BE = indicates concentration was below the 15A NCAC 02L Standard, April 1, 2013. DUP = Duplicate P:\Duke Energy Progress.1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 10-4 2L Exceedances in Groundwater Page 1 of 1 TABLE 10-5 ASHEVILLE STEAM ELECTRIC PLANT VALENCE SPECIATION OF GROUNDWATER DUKE ENERGY PROGRESS, LLC, ARDEN, NC Analytical Parameter As(III) AS(V) MMAs DMAs As (UK) Cr(VI) Fe(II) Fe(III) Mn(II) Mn(IV) Se(IV) Se(VI) SeCN MCSe(IV) SeMe Se (UK) Reporting Units ug/I ug/l ug/l ug/I ug/I ug/I ug/I ug/I ug/l ug/l ug/I ug/l ug/l ug/l ug/l ug/l Sample Sample ID Collection Analytical Results ABMW-02S 05/27/2015 0.084 10.11 <0.054 <0.038 <0.054 0.054 26.8 22.4 19200 327 0.166 1.53 <0.048 '0.033 <0.033 '0.033 ABMW-04D 05/26/2015 1.11 0.23 <0.054 '0.038 0.294 0.02 4990 <330 6600 '0.098 10.12 <0.16 <0.072 10.12 10.12 10.12 ABMW-05BR 05/27/2015 0.464 0.12 <0.054 <0.038 '0.054 0.013 5600 1660 157 25.7 0.152 <0.043 '0.048 0.09 <0.033 <0.033 ABMW-05D 05/26/2015 0.177 <0.11 <0.054 <0.038 '0.054 0.016 13500 2600 408 6.13 10.12 10.16 '0.072 <0.12 <0.12 10.12 ABMW-05S 05/26/2015 0.166 <0.11 <0.054 <0.038 <0.054 0.017 3280 1300 648 <0.096 <0.12 <0.16 <0.072 <0.12 <0.12 <0.12 ABMW-07S 05/27/2015 NA NA NA NA NA 0.232 7.3 '6.7 887 '0.098 0.879 0.46 '0.048 0.212 '0.033 0.134 CB -02 07/07/2015 NA NA NA NA NA NA NA NA 2810 45.8 NA NA NA NA NA NA CB -03R 07/08/2015 NA NA NA NA NA NA 258 <5 796 4.88 NA NA NA NA NA NA CB -04 07/08/2015 NA NA NA NA NA NA NA NA 771 40.7 NA NA NA NA NA NA CB -04B 07/07/2015 NA NA NA NA NA NA 7.8 6.1 NA NA NA NA NA NA NA NA CB -05 07/09/2015 NA NA NA NA NA NA 20300 <250 345 44.2 NA NA NA NA NA NA CB -06 07/08/2015 NA NA NA NA NA NA 20300 <250 3310 20.5 NA NA NA NA NA NA CB -08 07/06/2015 NA NA NA NA NA NA NA NA 1020 26.5 NA NA NA NA NA NA CB -09 07/06/2015 NA NA NA NA NA NA <5 31.3 NA NA NA NA NA NA NA NA CB-09BR 05/28/2015 NA NA NA NA NA 0.014 70 57.3 71.3 8.67 <0.12 <0.16 <0.072 <0.12 <0.12 <0.12 CB-09SL 05/28/2015 NA NA NA NA NA NA 14.6 17.2 80 5.07 NA NA NA NA NA NA GW -01 07/06/2015 NA NA NA NA NA NA NA NA 511 7.05 NA NA NA NA NA NA GW-01SR 05/27/2015 0.068 0.29 <0.054 '0.038 <0.054 0.059 9.7 124 54.9 1.5 10.007 10.043 <0.048 <0.033 '0.033 '0.033 GW -01D 05/28/2015 '0.018 <0.11 <0.054 <0.038 '0.054 0.046 46.7 112 274 0.318 <0.12 <0.16 <0.072 <0.12 <0.12 <0.12 MW-05BR 05/28/2015 NA NA NA NA NA NA 25100 4010 266 0.807 NA NA NA NA NA NA MW -05D 05/27/2015 0.144 <0.11 <0.054 <0.038 <0.054 0.021 4.9 84.4 533 <0.098 0.097 1.42 <0.048 <0.033 <0.033 '0.033 MW -08S 05/27/2015 0.115 <0.11 <0.054 <0.038 <0.054 0.045 4.9 16.7 3350 '0.098 0.171 0.965 <0.048 '0.033 '0.033 '0.033 MW -16A 05/28/2015 NA NA NA NA NA NA 108 55.7 2260 <0.098 NA NA NA NA NA NA MW-16BR 05/28/2015 NA NA NA NA NA NA 41700 16000 860 '0.098 NA NA NA NA NA NA MW-18BR 05/28/2015 NA NA NA NA NA NA 67.1 39.7 368 <0.098 <0.12 0.72 <0.072 '0.12 <0.12 <0.12 MW -18D 05/28/2015 NA NA NA NA NA NA 5540 1730 3290 212 NA NA NA NA NA NA MW -21D 06/30/2015 <0.036 <0.099 <0.06 <0.045 <0.06 <0.021 6800 1340 4650 40 <0.082 <0.091 <0.041 <0.071 <0.071 <0.071 MW-22BR 06/30/2015 '0.036 '0.099 <0.06 <0.045 <0.06 '0.021 12900 1800 292 56.8 <0.082 0.309 <0.041 '0.071 <0.071 <0.071 MW -22D 06/30/2015 <0.036 <0.099 <0.06 <0.045 <0.06 0.484 16.4 <5 124 3.56 <0.082 0.93 <0.041 '0.071 <0.071 <0.071 MW-23DL 06/30/2015 <0.036 <0.099 10.06 '0.045 <0.06 <0.021 8450 1320 70.3 '0.18 '0.082 0.315 <0.041 <0.071 <0.071 '0.071 MW-23DU 06/24/2015 <0.036 <0.099 <0.06 <0.045 <0.06 0.022 22.7 60.3 778 12.7 <0.069 0.69 <0.14 <0.13 <0.13 <0.13 MW -245 06/01/2015 NA NA NA NA NA NA 39.5 19.8 133 2.07 NA NA NA NA NA NA Equipment Blank 05/26/2015 <0.018 <0.11 <0.054 <0.038 <0.054 0.008 13.6 6.7 <0.86 <0.098 <0.12 <0.16 <0.072 <0.12 <0.12 '0.12 Prepared by: BER/MAH Checked by: LLS Notes: ug/1 = microgram per liter < = concentration not detected at or above the reporting limit. MMAs = monomethylarsonic acid DMAs = dimethylarsinic acid NA = not analyzed P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 10-5 Valence Speciation of Groundwater Page 1 of 1 TABLE 10-6 CHARGE BALANCE SUMMARY ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 10-6 Anion - Caton.xlsxTable 10-6 Anion - Caton.xlsx Page 1 of 2 Asheville Samples Anions I Cations % Difference Alluvial CB -05 1.51 2.23 19.17 CB -06 6.95 6.89 0.44 CB -07 2.57 2.96 7.07 MW -10 0.26 0.57 37.13 MW -11 2.77 2.97 3.38 MW -15A 1.07 1.31 10.11 MW -16A 3.423.81 5.37 MW -17A 15.1 15.7 1.78 MW -20A 6.85 7.28 2.99 Ash Pore Water ABMW-02 11.1 14.3 12.48 ABMW-04 12.5 14.7 8.25 ABMW-08 3.74 7.77 34.99 Sa rolite ABMW-02S 15.6 7.54 34.89 ABMW-05S 1.73 2.14 10.71 ABMW-07S 3.17 2.87 5.00 AMW-03A 0.531 9.97 89.89 APD -07 1.27 1.61 11.84 CB -01 0.068 0.098 18.67 CB -02 1.11 1.35 9.63 CB -04 2.98 3.14 2.73 CB -09 0.191 0.30 22.17 CB-09SL 0.464 0.53 6.85 DP -01 5.01 6.54 13.23 GW -03 5.55 6.56 8.36 MW -06S 3.05 3.41 5.62 MW -08S 20.0 21.0 2.50 MW -09S 22.4 24.4 4.29 MW -24D 0.349 0.677 32.01 MW -24S 0.399 0.625 22.08 P-100 3.25 3.32 1.01 P-101 3.83 4.07 3.05 P-103 1.65 2.00 9.63 P-104 1.62 2.12 13.23 P-105 0.341 0.554 23.77 PZ -19 3.84 4.12 3.44 PZ -22 4.63 4.54 1.06 PZ -23 1.76 1.94 4.88 PZ -24 2.98 5.37 28.67 PZ -26 0.114 0.326 48.22 Transition Zone ABMW-04D 3.46 3.86 5.43 ABMW-05D 2.25 2.80 10.95 AMW-02A 2.45 2.91 8.47 CB -01D 0.405 0.514 11.85 CB -03 3.66 3.39 3.83 CB -03R 4.40 5.23 8.62 CB -08 9.38 9.49 0.62 GW -01 1.05 1.11 3.22 GW -01D 0.43 0.482 5.48 GW -04 3.41 4.01 7.97 MW -01D 0.408 0.550 14.83 MW -03D 3.65 3.89 3.23 MW -04D 0.144 0.370 43.83 MW -05D 4.23 3.26 12.90 MW -06D 3.61 4.11 6.37 P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 10-6 Anion - Caton.xlsxTable 10-6 Anion - Caton.xlsx Page 1 of 2 TABLE 10-6 CHARGE BALANCE SUMMARY ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Prepared by: BER Checked by: KLS P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 10-6 Anion - Caton.xlsxTable 10-6 Anion - Caton.xlsx Page 2 of 2 Asheville Samples Anions Cations % Difference MW -09D 19.60 22.40 6.78 MW -11D 4.29 4.93 6.88 MW -12D 0.454 0.636 16.73 MW -13D 1.13 1.56 15.90 MW -15D 0.728 0.889 10.00 MW -18D 9.50 9.52 0.09 MW -21D 2.37 2.94 10.67 MW -22D 0.911 1.16 12.04 MW-23DL 1.98 2.73 16.00 MW-23DU 1.16 1.25 3.68 PZ -16 3.07 3.39 4.92 Bedrock ABMW-05BR 2.13 2.87 14.79 AMW-01B 3.47 4.18 9.19 AMW-03B 0.611 0.778 12.05 CB -04B 2.18 2.25 1.60 CB-08BR 2.89 3.30 6.61 CB-09BR 1.10 1.37 10.88 GW-01BR 1.28 1.59 10.78 GW -02 8.61 9.20 3.33 MW-01BR 1.09 1.37 11.46 MW-02BR 2.27 2.65 7.69 MW-05BR 3.69 4.37 8.38 MW-09BR 8.65 9.80 6.23 MW-13BR 0.163 0.413 43.44 MW-14BR 5.32 6.10 6.80 MW-16BR 4.56 4.55 1 0.11 MW-18BR 9.44 9.68 1.30 MW-22BR 2.28 2.50 4.63 PZ -17D 4.20 4.92 7.88 PZ -17S 0.456 0.528 7.25 See s A-01 4.33 5.02 7.29 B-01 20.30 21.80 3.60 C-01 12.00 13.20 5.06 C-02 12.80 13.60 3.12 D-01 7.68 8.58 5.51 E-01 4.09 4.57 5.51 F-01 3.66 4.15 6.31 F-02 3.54 3.87 4.41 K-01 3.28 3.49 3.09 M-01 4.03 4.07 0.48 P-01 0.68 0.96 17.18 Surface Waters SW -01 0.725 0.990 15.42 SW -04 5.57 6.71 9.28 SW -05 4.39 4.71 3.47 SW -06 0.522 0.949 29.06 SW -07 0.423 0.655 21.57 FB -01 0.244 0.417 26.06 FB -02 1 0.267 0.424 22.69 Prepared by: BER Checked by: KLS P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 10-6 Anion - Caton.xlsxTable 10-6 Anion - Caton.xlsx Page 2 of 2 TABLE 10-7 RADIOLOGICAL ANALYTICAL RESULTS ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Analytical Parameter Radium -226 Radium -228 Uranium -233 Uranium -234 Uranium -236 Uranium -238 Reporting Units pCi/I pCi/I ug/mL ug/mL ug/mL ug/mL Sample ID Sample Collection Date Analytical Results ABMW-02 05/28/2015 0.695 1.91 <0.00005 <0.00005 <0.00005 0.0625 ABMW-02S 05/28/2015 0.701 <3 <0.00005 <0.00005 <0.00005 <0.001 ABMW-07S 05/28/2015 1.79 <3 <0.00005 <0.00005 <0.00005 0.000102 j MW -245 06/01/2015 5.78 <3 <0.00005 <0.00005 <0.00005 <0.0002 Prepared by: BER/SRW Checked by: KLS Notes: pCi/L = Picocuries per liter ug/mL = microgram per milliliter < = concentration not detected at or above the reporting limit. j = indicates concentration reported below Practical Quantitation Limit (PQL), but above Method Detection Limit (MDL) and therefore concentration is estimated. P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 10-7 Radiological Analytical Results Page 1 of 1 TABLE 11-1 SUMMARY OF SLUG TEST RESULTS ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Hydrostratigraphic Unit Hydraulic Conductivity Geometric Mean Highest Conductivity Lowest Conductivity cm/sec ft/day cm/sec ft/day cm/sec ft/day Ash Basin(3) 1.52E-04 4.32E-01 1.17E-03 3.30E+00 9.69E-06 2.75E-02 Alluvial(2) 3.21E-03 9.09E+00 9.08E-03 2.57E+01 3.64E-04 1.03E+00 Saprolite(7) 2.83E-04 8.01E-01 2.63E-03 7.45E+00 2.36E-05 6.69E-02 Transition Zone(18) 3.09E-04 8.76E-01 1.33E-02 3.78E+01 1.12E-05 3.16E-02 Bedrock(17) 4.77E-04 1.35E+00 5.80E-02 1.65E+02 1.56E-06 4.42E-03 Prepared by: TDP Checked by: DLN Notes: ft= feet cm=centimeters sec= seconds P: \ Duke Energy Progress.1026 \ 102. Asheville Ash Basin GW Assessment Plan \ 1.11 CSA Reporting \ tables \ Table 11-1 Summary of Slug Test Results.docx Page 1 of 1 TABLE 12-1 RISK SCREENING TABLE: COAL ASH PORE WATER DATA ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Prepared by: TV KNS Checked by: RLP Notes: O - Bold highlighted concentration indicates exceedance of the 15A NCAC 02L Standard, Appendix 2, April 1, 2013. ORP = Oxidation Reduction Potential mV = millivolts DIS = Dissolved NE = Not established Note 1: Chromium includes trivalent (Cr') and hexavalent (Cr's) Chromium TOT = Total NTU = nephelometric turbidity unit Note 2: Hexavalent Chromium concentration for ABMW-02 (0.013 ug/L) and ABM W-04 (<0.007 ug/L) is less than EPA screening value for Temp =Temperature S.U. =Standard Unit tapwater (0.035 ug/L). See Table 7-9 (USEPA Regional Screening Levels [RSLs] rev., June 26, 2015) DO = Dissolved Oxygen ug/I = microgram per liter Deg C = Degree Celsius umhos/cm = micro mhos per centimeter mg/I -milligrams per liter Spec Cord = Specific Conductance mg-N/L = miligram nitrogen per liter it = feet < = concentration not detected at or above the reporting limit. * - Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April, 1, 2013. --- = Not applicable P:\Duke Energy Progress, 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 12-1 Asheville Ash Pore Water - HH Risk Assessment Page 1 of 2 Water Spec Ferrous Aluminum Antimony Arsenic Barium Beryllium Bi- Boron Cadmium Calcium Carbonate Chromium(''') Cobalt Copper Analytical Parameter pH Level Temp Cond DO ORP Eh Turbidity Iron Alkalinity carbonate Alkalinity Chloride DIS TOT DIS TOT DIS TOT DIS TOT DIS TOT DIS TOT DIS TOT DIS TOT Alkalinity DIS TOT DIS TOT TOT mho s/ Reporting Units S.U. ft Deg C mg/I mV mV NTU mg/I mg/I u9/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/1 ug/I mg/I ug/l ug/I ug/I ug/l mg/I mg/I mg/I ug/I ug/I ug/I ug/I mg/l mg/I 15A NCAC 02L Standard 6.5-8.5 NE NE NE NE NE NE NE NE NE NE NE NE 1 * NE 10 NE 700 NE 4 * NE NE 1 700 NE 2 NE NE 250 NE 10 NE 1 * NE 1 Sample Sample ID Collection Field Parameters Analytical Results Date ABMW-02 03/17/2015 7.8 26.16 18 1427 0.86 -106 99 8.95 1.5 500 13 242 <1 <1 1160 1330 385 393 <1 <1 500 2220 2250 <1 <1 208 110 7.4 <1 <1 3.25 3.48 <0.001 <0.001 ABMW-02 05/27/2015 7.4 26.79 19 1182 0.21 131 336 8.29 2 350 20 407 <1 <1 1020 1240 271 301 <1 <1 350 1710 1780 <1 <1 163 110 5.5 <1 <1 6.46 5.12 10.001 <0.001 aABMW-04 03/31/2015 8.4 36.1 18 1183 1.3 -60 145.4 9.71 10.5 340 42 792 6.49 6.22 441 447 301 315 <1 <1 340 3050 3080 <1 <1 150 <10 12 <1 32.6 <1 I.F.7 0.00179 0.0045 a ABMW-04 05/26/2015 8.0 36.9 19 1283 0.33 231 436 8.66 10.5 400 45 488 2.25 2.49 660 780 192 200 <1 <1 400 3620 3660 <1 <1 129 <10 13 <1 <1 <1 <1 10.001 0.00104 Me ABMW-08 05/14/2015 6,4 23.68 14 624.8 1.07 44 248.7 9.68 3 170 90 795 <1 <1 30.8 35.6 386 383 <1 <1 170 289 276 <1 <1 20 110 23 <1 <1 2.43 2.72 10.001 10.001 i ABMW-08 05/21/2015 6.6 16.3 19 744 0.43 -213 -8 9.56 4 180 172 174 <1 <1 51.1 42.4 495 489 <1 <1 180 268 263 <1 <1 23.3 <10 28 <1 <i 2.34 2.13 10.001 <0.001 Detections/Samples --- --- --- --- --- --- --- --- --- 6/6 6/6 6/6 2/6 2/6 6/6 6/6 6/6 6/6 0/6 0/6 6/6 6/6 6/6 0/6 0/6 6/6 0/6 6/6 0/6 1/6 4/6 5/6 1/6 2/6 Average Ash Pore Water Concentrations (Detections Only) 323 64 483 4.37 4.355 560.5 645.8 338 347 --- --- 323 1860 1885 --- --- 115.6 --- 14.8 --- 32.6 3.62 3.00 0.00179 0.0028 Maximum Concentration --- --- --- --- --- --- --- --- --- 500 172 795 6.49 6.22 1160 1330 495 489 --- --- 500 3620 3660 --- --- 208 --- 28 --- 32.6 6.46 5.12 0.00179 0.0045 Numberof Ash Pore Water Samples that are Greater than NCAC 2L _ _ _ 0 0 0 0 2 0 6 0 0 0 0 0 0 4 0 0 0 0 0 0 1 0 5 0 0 Detections/Samples --- --- --- --- --- --- --- --- --- 7/14 10/12 14/14 0/12 0/14 0/12 0/14 12/12 14/14 0/12 0/14 1/14 0/12 0/14 0/12 0/14 14/14 1/14 14/14 1/12 4/14 5/12 9/14 6/12 1 4/14 Average Background Concentrations --- --- --- --- --- --- --- 94 680 769 --- --- --- --- 32 35 --- --- 35 --- --- --- --- 18.23 350 5.7 3.39 4.86 2.44 2.00 00247 0.00489 (Detections Only) Maximum Concentration ------ --- --- --- --- --- --- -- 440 6540 7200 --- --- --- --- 57 57 --- --- 76 --- --- --- --- 188 350 13 3.39 8.25 4.69 4.29 0.0.00790 0.0122 Number of Backgroundwater Samples that are Greater Than NCAC 2L- ___ ___ ___ __ ___ ___ ___ 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9 0 0 Prepared by: TV KNS Checked by: RLP Notes: O - Bold highlighted concentration indicates exceedance of the 15A NCAC 02L Standard, Appendix 2, April 1, 2013. ORP = Oxidation Reduction Potential mV = millivolts DIS = Dissolved NE = Not established Note 1: Chromium includes trivalent (Cr') and hexavalent (Cr's) Chromium TOT = Total NTU = nephelometric turbidity unit Note 2: Hexavalent Chromium concentration for ABMW-02 (0.013 ug/L) and ABM W-04 (<0.007 ug/L) is less than EPA screening value for Temp =Temperature S.U. =Standard Unit tapwater (0.035 ug/L). See Table 7-9 (USEPA Regional Screening Levels [RSLs] rev., June 26, 2015) DO = Dissolved Oxygen ug/I = microgram per liter Deg C = Degree Celsius umhos/cm = micro mhos per centimeter mg/I -milligrams per liter Spec Cord = Specific Conductance mg-N/L = miligram nitrogen per liter it = feet < = concentration not detected at or above the reporting limit. * - Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April, 1, 2013. --- = Not applicable P:\Duke Energy Progress, 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 12-1 Asheville Ash Pore Water - HH Risk Assessment Page 1 of 2 TABLE 12-1 RISK SCREENING TABLE: COAL ASH PORE WATER DATA ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Prepared by: TV KNS Checked by: RLP Notes: O -Bold highlighted concentration Indicates exceed ance of the 15A NUC 02L Standard, Appendix 2, April 1, 2013 ORP = Oxidation Reduction Potential mV = millivolts DIS = Dissolved NE = Not established Note 1: Chromium includes trivalent (Cr+3) and hexavalent (Cr+s) Chromium TOT = Total NTU = nephelometric turbidity unit Note 2: Hexavalent Chromium concentration for ABMW-02 (0.013 ug/L) and ABMW-04 (<0.007 ug/L) is less than EPA screening value for tapwater (0.035 ug/L). See Table 7-9 (USEPA Temp = Temperature S.U. = Standard Unit Regional Screening Levels [RSLs] rev., June 26, 2015) DO = Dissolved Oxygen ug/I = microgram per liter Deg C = Degree Celsius umhos/cm = micro mhos per centimeter mg/I = milligrams per liter Spec Cond = Specific Conductance mg-N/L = miligram nitrog R = feet c = concentration not detected at or above the reporting limit. * - Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April, 1, 2013. --- = Not applicable P:\Duke Energy Progress, 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 12-1 Asheville Ash Pore Water - HH Risk Assessment Page 2 of 2 Iron Lead Magnesium Manganese Mercury Molybdenum Nickel Nitrate Potassium Selenium Sodium Strontium Thallium Total Total Total Vanadium Zinc Analytical Parameter Methane (as N) Sulfate Sulfide Dissolved Organic Suspended TOT DIS TOT DIS TOT DIS TOT DIS TOT TOT DIS TOT DIS TOT DIS TOT DIS TOT TOT DIS TOT DIS TOT Solids Carbon Solids DIS TOT Reporting Units ug/I ug/I ug/I ug/I mg/I ug/I ug/I ug/I ug/I ug/1 ug/I ug/I ug/1 ug/I mg-N/L mg/I ug/I ug/I mg/I mg/l mg/l mg/I mg/I ug/I ug/I mg/I mg/I mg/I ug/I ug/I mg/1 mg/I 15A NCAC 02L Standard NE 300 NE 15 NE NE 50 NE I NE NE NE NE 100 10 NE NE 20 NE NE NE 250 NE NE 0.2- 500 NE NE NE 0.3 * NE 1 Sample ID sample Analytical Results Collection Date ABMW-02 03/17/2015 1030 1430 <1 <1 57 2290 2360 <0.05 10.05 19 250 261 1.58 2.19 10.01 21.1 1.35 1.38 38.7 7.47 7.55 280 110 1.09 1.18 960 0.833 9 5.51 6.3 <0.005 <0.005 ABMW-02 05/27/2015 3350 3440 <1 <1 45 4320 3260 <0.05 10.05 56 172 194 2.72 2.48 0.014 17.8 <1 <1 25.2 5.26 5.86 250 <0.1 0.434 1.11 770 0.725 22 0.927 2.15 0.02 0.02 uABMW-04 03/31/2015 110 328 <1 <1 45.8 146 147 10.05 10.05 33 673 675 1.58 6.93 10.01 24.4 6.99 6.75 42.6 4.1 4.21 260 10.1 2.54 2.81 800 0.78 12 66.7 70.8 0.037 0.039 u ABMW-04 05/26/2015 202 400 <I <t 67.4 121 117 10.05 10.05 18 581 663 11 1.11 0.073 20.8 <I 1.09 49.6 3.8 3.71 270 10.1 0.568 1.03 850 0.65 Sl 20.9 26.9 <0.005 0.01 ABMW-08 05/14/2015 81200 83400 <3 <3 19.7 728 711 10.05 10.05 6400 2.75 1.77 1.68 1.9 0.031 14.5 3.33 2.23 10.4 1 0.973 0.48 10.5 10.2 10.2 320 56 120 0.598 3.21 0.006 0.007 4 ABMW-08 1 05/21/2015 107000 108000 <1 <1 20.8 1020 984 10.05 <0.05 16000 4.89 4.26 1.16 <1 0.012 13.5 1.87 1.91 13.3 1.05 1.02 <0.1 14 <0.2 <0.2 350 56 160 0.788 1.14 1 0.007 <0.005 Detections/Samples 5/6 6/6 0/6 0/6 6/6 6/6 6/6 0/6 0/6 6/6 6/6 6/6 5/6 5/6 4/6 6/6 4/6 5/6 6/6 6/6 6/6 5/6 0/6 4/6 4/6 6/6 6/6 6/6 6/6 6/6 4/6 4/6 Average Ash Pore Water Concentrations (Detections Only) 38556.4 32833 --- --- 42.6 1438 1263 --- --- 3754 281 299.8 1.74 2.9 0.0325 18.7 3.39 2.67 30.0 3.8 3.89 212 --- 1.16 3.53 675 19.2 56 15.90 18.1 0.0175 0.019 Maximum Concentration 107000 108000 --- --- 67.4 4320 3260 --- --- 16000 673 675 2.72 6.93 0.073 24.4 6.99 6.75 49.6 7.47 7.55 280 --- 2.54 2.81 960 56 160 66.7 70.8 0.037 of Ash Pore Water Samples �n39Number that are Greater than NCAC 2L 0 6 0 0 0 0 6 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 0 4 4 0 0 0 6 0 Detections/Samples 8/12 13/14 0/12 0/14 14/14 11/12 13/14 0/12 0/14 1/12 6/12 4/14 6/12 8/14 11/12 14/14 1/12 1/14 14/14 11/12 11/32 14/14 0/12 0/12 0/14 13/14 12/12 6/14 2/12 6/12 12/12 32/14 Average Background Concentrations (Detections Only) 190 341 --- --- 1.8 137 122 --- --- 230 2.27 2.8 1.7 2.7 0.3 2.10 1.44 1.56 4.6 0.14 0.15 1.1 --- --- --- 92 0.331 27 5.395 2.30 0.028 0.032 Maximum Concentration 449 653 --- --- 3.6 365 340 --- --- 230 7.01 7.4 3.45 6.03 1.2 8.77 1.44 1.56 8.54 1.11 1.22 3.9 --- --- --- 500 0.71 110 8.78 8.98 0.082 0.085 Numberof Backgroundwater Samples that are Greater Than NCAC 2L 0 8 0 0 0 0 8 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6 0 0 Prepared by: TV KNS Checked by: RLP Notes: O -Bold highlighted concentration Indicates exceed ance of the 15A NUC 02L Standard, Appendix 2, April 1, 2013 ORP = Oxidation Reduction Potential mV = millivolts DIS = Dissolved NE = Not established Note 1: Chromium includes trivalent (Cr+3) and hexavalent (Cr+s) Chromium TOT = Total NTU = nephelometric turbidity unit Note 2: Hexavalent Chromium concentration for ABMW-02 (0.013 ug/L) and ABMW-04 (<0.007 ug/L) is less than EPA screening value for tapwater (0.035 ug/L). See Table 7-9 (USEPA Temp = Temperature S.U. = Standard Unit Regional Screening Levels [RSLs] rev., June 26, 2015) DO = Dissolved Oxygen ug/I = microgram per liter Deg C = Degree Celsius umhos/cm = micro mhos per centimeter mg/I = milligrams per liter Spec Cond = Specific Conductance mg-N/L = miligram nitrog R = feet c = concentration not detected at or above the reporting limit. * - Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April, 1, 2013. --- = Not applicable P:\Duke Energy Progress, 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 12-1 Asheville Ash Pore Water - HH Risk Assessment Page 2 of 2 TABLE I2-2 COAL ASH COPC DETERMINATION ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Constituent Coal Ash Constituent Conc. > Soil RSL (1) Coal Ash Pore Water Conc.> NC 2L(Z) Coal Ash COPC Basis For Coal Ash COPC Determination Aluminum Yes Not Established Yes Above soil RSL Antimony Yes Yes Yes Above soil RSL and 2L Arsenic Yes Yes Yes Above soil RSL and 2L Barium Yes No No Below 2L Beryllium Yes No No Below 2L Boron No Yes Yes Above 2L Cadmium No No No Below soil RSL and 2L Calcium Not Established Not Established No Note 3 Chloride Not Established No No Below 2L Chromium [Cr(III)/Cr(VI)] Not Established Yes Yes Above 2L Cobalt Yes Yes Yes Above soil RSL and 2L Copper Yes No No Below 2L Iron Yes Yes Yes Above soil RSL and 2L Lead Yes No No Below 2L Magnesium Not Established Not Established No Note 3 Manganese Yes Yes Yes Above soil RSL and 2L Mercury Yes No No Below 2L Molybdenum Yes Not Established Yes Above soil RSL Nickel No No No Below soil RSL and 2L Nitrate (as N) Not Established No No Below 2L Potassium Not Established Not Established No Note 3 Selenium Yes No No Below 2L Sodium Not Established Not Established No Note 3 Strontium No Not Established No Below soil RSL Sulfate Not Established Yes Yes Above 2L Thallium Yes Yes Yes Above soil RSL and 2L TDS Not Established Yes Yes Above 2L Vanadium Yes Yes Yes Above soil RSL and 2L Zinc No No No Below soil RSL and 2L Prepared by: VTV/SRW Checked by: RLP Notes: Constituent is a coal ash COPC Constituent is not a coal ash COPC 1. See Table 7-3 (USEPA Generic Screening Tables; http://www.epa.gov/reg3hwmd/risk/human/rb-concentration_table/Generic_ Tables/index.htm) 2. See Table 12 -1 (15A NCAC 02L, Appendix 2, April 1, 2013.) 3. Calcium, magnesium, potassium and sodium are naturally occurring at moderate concentrations in most water bearing units, present at moderate concentrations In many foods, and available in dietary supplements. These constituents are not coal ash COPCs because they are unlikely to pose potentially unacceptable risk to human health when compared to other coal ash constituents. P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 12-2 Coal Ash COPCS Page 1 of 1 TABLE 12-3 RISK SCREENING TABLE: BACKGROUND GROUNDWATER DATA ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Analytical Parameter pH Water Level Temp Spec Cord DO ORP Eh Turbidity Ferrous Iron Alkalinity Aluminum DIS TOT Antimony DIS TOT Arsenic DIS TOT Barium DIS TOT Beryllium DIS TOT B.- carbonate AlkalinityDIS Boron TOT Cadmium DIS TOT Calcium TOT Carbonate Alkalinity Chloride Chromium(',') Cobalt DIS TOT DIS Reporting Units S.U. ft Deg C umh'nos mg/I my my NTU mg/I mg/I ug/1 ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I mg/I ug/I ug/I ug/I ug/l mg/I mg/I m /1 g ug/I ug/I ug/I 15A NCAC 02L Standards 6.5-8.5 NE NE NE NE NE NE NE NE NE NE NE NE 1 * NE 10 NE 700 NE 1 4 * NE NE 700 NE 2 NE NE 250 NE SO NE Sample ID sample collection Date Field Parameters Analytical Results Alluvium Wells MW -10 05/12/2015 5.0 5.58 16 64 1 0.96 1 47 1 251.7 4.09 1 <0.5 1 110 1 40 121 1 <1 1 <1 I <I I <I 1 45 1 47 1 <I I <I I <10 1 <50 1 <50 1 11 1 <1 1 2.39 1 <10 1 8.9 1 <1 I <1 1 4.69 Saprolite Wells AMW-03A 05/12/2015 12.1 8.17 15 2350 5.41 -189 15.6 1.5 <0.5 440 6540 7200 <1 <1 <1 <1 52 49 <1 <1 30 <50 <50 <1 <1 188 350 1.1 3.39 <1 <1 CB -01 04/07/2015 4.9 45.50 15 17 8.68 136 341.2 6.74 NM <5 NA 269 NA <1 NA <1 NA 19 NA <I <5 NA <50 NA <1 0.044 <5 1.6 NA <5 NA CB -01 07/06/2015 4.7 49.12 16 20 8.34 161 366 3.82 NM <5 50 150 <1 <1 <1 <1 20 21 <1 <1 <5 <50 <50 <1 <1 0.143 <5 1.7 <1 <5 2.02 CB -09 04/07/2015 5.0 37.29 16 38 2.24 114 319.4 8.79 NM <5 NA 347 NA <1 NA <1 NA 29 NA <1 <5 NA <50 NA <1 0.504 <5 6.7 NA <5 NA CB -09 07/06/2015 4.9 37.02 16 41 2.25 159 364 4.5 NM <5 21 103 <1 <1 <1 <1 26 29 <1 <1 <5 <50 <50 <1 <1 0.545 <5 6.7 <1 <5 <1 CB -09 SL 04/27/2015 6.0 36.05 13 76 1.08 130 335.4 30.4 <0.5 25 12 1280 <1 <1 <1 <1 29 46 <1 <1 25 <50 <50 <1 <1 4.15 <10 6.1 <1 2.86 <1 CB -09 SL 05/28/2015 5.8 35.98 19 59 1.59 84 289.3 5.97 <0.5 16 11 119 <1 <1 <1 <1 27 32 <S <S 16 <50 <50 <1 <1 3.38 <SO 6.6 <1 <1 <1 MW -24S 05/11/2015 5.0 11.26 17 75 5.48 72 276.5 1.77 NM <10 49 174 <1 <1 <1 <1 55 57 <1 <1 <10 <50 <50 <1 <1 3.23 <10 12 <1 <1 1.84 MW -24S 06/01/2015 S. 11.19 15 79 4.67 97 301.5 2.74 <0.5 <10 39 91 <1 <1 <1 <1 57 55 11 11 <10 <50 <50 <1 <1 3.15 <10 13 <1 <1 <1 Transition Wells CB -01D 1 04/28/2015 6.7 38.22 17 75 1.56 1 206 1 7.52 1 10.5 1 26 1 <5 266 1 <1<1 <1 <1 19 24 <1 <1 26 150 <50 <1 <1 5.12 110 1.3 <1 7.04 2.03 CB -01D 05/21/2015 6.4 38.36 16 57 0.8 48 253 2.83 0.5 20 5 85 <1 <1 <1 <1 1 16 1 18 <1 <1 20 <50 1 <50 <1 <1 3.72 110 1 1.1 <1 1.27 1.63 Bedrock Wells CB -09 BR 1 04/27/2015 8.9 44.46 16 185 1 0.49 1 123 1 327.81 16.2 1 <0.5 1 76 1 33 1 405 <1<1 <I <1 19 26 <1 <1 76 <50 <50 <1 <1 24.7 <10 6.4 <1 8.25 <1 CB -09 BR"' 05/28/2015 6.5 48.57 16 135 0.36 69 274.4 10.8 <0.5 54 <5 160 <1 <1 <I <1 18 33 <1 <1 54 <50 <50 <1 <1 16.1 <10 6.4 <1 <1 <1 Detections/Samples --- --- --- --- --- --- --- --- --- 7/14 10/12 14/14 0/12 0/14 0/12 0/14 12/12 14/14 0/12 0/14 7/14 0/12 0/14 0/12 0/14 14/14 1/14 14/14 1/12 4/14 5/12 Average Background Concentrations (Detections Only) ___ ___ ___ ___ ___ ___ ___ ___ 94 680 769 --- --- --- --- 32 35 --- --- 35 --- --- --- --- 18.23 350 5.7 3.39 4.86 2.44 Maximum Concentration --- --- --- --- --- --- --- --- --- 440 6540 7200 --- --- --- --- 57 57 --- --- 76 --- --- --- --- 188 350 13 3.39 8.25 4.69 Number of Backgroundwater Samples that are Greater Than NCAC 2L --- --- --- --- --- --- --- --- --- O 0 O 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Notes: Q -Bold highlighted concentration indicates exceedance of the 15A NCAC 021 -Standard, Appendix 2, April 1, 2013 ORP = Oxidation Reduction Potential mg/I = milligrams per liter ug/I = microgram per liter DIS - Dissolved mg-N/L = milligram nitrogen per liter umhos/cm = micro mhos per centimeter TOT - Total my = millivolts Spec Cond = Specific Conductance Temp = Temperature NE = Not established NM = Not Measured DO = Dissolved Oxygen NTU = nephelometric turbidity unit ft = feet Deg C = Degree Celsius S.U. = Standard Unit --- = Not applicable < = concentration not detected at or above the reporting limit. * - Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April, 1, 2013. NA = Not analyzed for April 2015 NPDES Compliance Sampling Event Note 1: Chromium includes trivalent (Cr") and hexavalent (Cr'6) Chromium Nate 2: Hexavalent Chromium concentration for CB -09 BR(0.014 ug/L) is less than EPA screening value for tapwater (0.035 ug/L). See Table 10-3 (USEPA Regional Screening Levels [RSLs] rev., June 26, 2015) Prepared by: ELMS Checked by: RLP P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 12-3 Asheville Background Groundwater - HH Risk Assessment Page 1 of 2 TABLE 12-3 RISK SCREENING TABLE: BACKGROUND GROUNDWATER DATA ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Analytical Parameter Cobalt TOT Copper DIS TOT Iron DIS TOT Lead DIS TOT Magnesium TOT Manganese DIS TOT Mercury DIS TOT Methane Molybdenum DIS TOT Nickel Nitrate DIS TOT (as N) Potassium TOT Selenium DIS TOT Sodium TOT Strontium DIS TOT Sulfate Sulfide Thallium DIS TOT Tota Dissolved Solids Tota Organic Carbon Tota Suspended Solids Vanadium DIS TOT Zinc DIS TOT Reporting Units ug/I mg/I mg/I ug/I ug/I ug/I ug/I mg/I ug/I ug/l ug/l ug/I ug/I ug/I ug/I ug/I ug/I mg-N/L mg/I ug/I ug/I mg/I mg/l mg/I mg/I mg/I ug/l ug/I mg/I mg/I mg/I ug/ I ug/I mg/I mg/I 15A NCAC 02L Standard 1 * NE 1 NE 300 NE 1S NE NE 50 NE 1 NE NE NE NE 100 10 NE NE 20 NE NE NE 250 NE NE 0.2 * 500 NE NE NE 0.3 * NE 1 Sample ID sample Collection Date Analytical Results Alluvium Wells MW -10 05/12/2015 4.29 0.00108 10.001 242 369 <1 <1 2.59 365 340 10.05 <0.05 230 <1 <1 3.45 1 3.1 0.096 1.36 <1 <1 4.02 0.024 0.024 0.3 <0.1 10.2 <0.2 44 0.71 <5 <0.3 <0.3 0.051 0.085 Saprolite Wells AMW-03A 05/12/2015 <1 0.00118 0.00117 <10 <10 <1 <1 0.007 <5 <5 <0.05 <0.05 <10 1.47 <1 <1 <1 0.071 8.77 <1 <1 7.7 1.11 1.22 0.34 10.1 <0.2 <0.2 500 0.352R6' 8.78 8.98 0.013 10.005 CB -01 04/07/2015 1.94 NA <0.005 NA 279 NA <3 0.407 NA 26 NA <0.05 NA NA <1 NA <5 NA 0.548 NA <1 1.04 NA NA 0.36 NA NA <0.2 31 NA NA NA NA 0.022 CB -01 07/06/2015 1.95 7.90E-03 0.012 <10 86 <1 <1 0.448 25 25 <0.05 <0.05 <10 <1 <1 1.13 <5 0.4 0.409 <1 <1 0.993 <0.005 <0.005 0.61 10.1 <0.2 <0.2 <25 0.106<0.3 <0.3 0.082 0.077 CB -09 04/07/2015 1.36 NA 10.005 NA 653 NA <3 1.03 NA 50 NA 10.05 NA NA <1 NA <5 NA 0.76 NA <S 4.1 NA NA 0.24 NA NA 10.2 35 NANA NA NA 0.015 CB -09 07/06/2015 <1 0.00178 <0.005 <10 158 <1 <1 0.976 35 40 <0.05 <0.05 <10 <1 <1 1.1 <5 0.28 0.704 <1 c1 4.06 0.008 0.008 0.11 10.2 <0.2 <0.2 25 0.158<0.3 <0.3 0.038 0.037 CB -09 SL 04/27/2015 1.21 0.00179 10.001 65 475 <3 <3 2.56 96 125 10.05 10.05 110 1.28 <1 <1 2.13 0.086 1.41 cl <1 8.54 0.029 0.04 0.74 10.5 10.2 10.2 92 0.39710.3 0.56 0.039 0.049 CB -09 SL 05/28/2015 <1 <0.001 <0.001 29 73 <1 <1 1.77 69 71 <0.05 <0.05 <10 1.24 1.25 <1 <1 0.206 1.28 <1 <1 4.15 0.026 0.028 0.57 10.2 <0.2 <0.2 43 0.209<0.3 <0.3 0.016 0.012 MW -245 05/11/2015 2.05 0.00109 10.001 221 304 <1 <1 3.6 160 170 10.05 <0.05 110 <1 <1 1.23 1.16 1.2 1.61 <1 <1 3.48 0.037 0.037 0.49 10.1 10.2 10.2 54 0.30710.3 10.3 0.009 0.008 MW -24506/01/2015 1.02 10.001 <0.001 37 60 <3 <3 3.4 137 136 <0.05 <0.05 <10 <1 <1 <1 1.07 1.2 1.54 <1 <1 3.25 0.041 0.036 0.62 <0.1 10.2 10.2 66 0.21110.3 10.3 0.009 10.005 Transition Wells CB -01D 04/28/2015 2.54 <0.001 10.001 246 528 <1 <1 1.11 231 226 <0.05 <0.05 <10 1.49 1.38 1.66 6.03 0.036 1.8 11 11 5.63 0.026 0.025 2.7 <0.2 <0.2 <0.2 44 0.487 7 <0.3 0.416 0.026 0.024 CB -01D 05/21/2015 1.66 <0.001 <0.001 449 589 <1 <1 1.12 308 286 <0.05 <0.05 <10 <1 11 1.44 2.07 1 0.038 1.54 <1 <1 3.89 0.019 0.019 2.2 <0.1 <0.2 <0.2 37 0.518 <5 10.3 0.34 0.021 0.02 Bedrock Wells CB -09 BR 04/27/2015 <1 <0.001 0.00116 <10 460 <1 <1 2.53 12 21 <0.05 <0.05 <10 7.01 7.4 <1 4.42 0.065 4.23 1.44 1.56 8.39 0.11 0.115 3.9 <0.2 <0.2 <0.2 130 0.308 25 2.01 3.03 0.017 0.008 CB -09 BR 05/28/2015 <1 <0.001 <0.001 232 402 <1 <1 3.2 65 76 <0.05 <0.05 <10 1.14 1.17 <1 1.36 0.069 3.41 <1 <1 1 4.76 0.088 0.098 1.8 <0.1 <0.2 <0.2 96 0.204 8 <0.3 0.499 0.011 0.021 Detections/Samples 9/14 6/12 4/14 8/12 13/14 0/12 0/14 14/14 11/12 13/14 0/12 0/14 1/12 6/12 4/14 6/12 8/14 11/12 14/14 1/12 1/14 14/14 11/12 11/12 14/14 0/12 0/12 0/14 13/14 12/12 6/14 2/12 6/12 12/12 12/14 Average Background Concentrations (Detections On IV) 2.00 0.00247 0.00489 190 341 --- --- 1.8 137 122 --- --- 230 2.27 2.8 1.7 2.7 0.3 2.10 1.44 1.56 4.6 0.14 0.15 1.1 --- --- --- 92 0.331 27 5.395 2.30 0.028 0.032 Maximum Concentration 4.29 0.00790 0.0122 449 653 --- --- 3.6 365 340 --- --- 230 7.01 7.4 3.45 6.03 1.2 8.77 1.44 1.56 8.54 1.11 1.22 3.9 --- --- --- 500 0.71 110 8.78 8.98 0.082 0.085 Number of Backgroundwater Samples that are Greater Than NCAC 2L 9 0 0 O 8 0 0 O 0 8 0 0 0 O 0 O O 0 0 O O O O 0 O O O O 0 0 0 0 6 0 O Notes 0 - Bold highlighted concentration indicates exceedance of the 15A NCAC 02L Standard, Appendix 2, April 1, 2013 ORP = Oxidation Reduction Potential mg/I = milligrams per liter ug/I = microgram per liter DIS - Dissolved mg-N/L = milligram nitrogen per liter umhos/cm = micro mhos per centimeter TOT - Total mV = millivolts Spec Cord = Specific Conductance Temp = Temperature NE = Not established NM = Not Measured DO = Dissolved Oxygen NTU = nephelometric turbidity unit ft = feet Deg C = Degree Celsius S.U. = Standard Unit --- = Not applicable < = concentration not detected at or above the reporting limit. * - Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April, 1, 2013. NA = Not analyzed for April 2015 NPDES Compliance Sampling Event Note 1: Chromium includes trivalent (Cr') and hexavalent (Cr+6) Chromium Note 2: Hexavalent Chromium concentration for CB -09 BR(0.014 ug/L) is less than EPA screening value for tapwater (0.035 ug/L). See Table 10-3 (USEPA Regional Screening Levels [RSLs] rev.,. June 26, 2015) Prepared by: TV[KNS Checked by: RLP P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 12-3 Asheville Background Groundwater - HH Risk Assessment Page 2 of 2 TABLE 12-4 RISK SCREENING TABLE: ALLUVIUM GROUNDWATER DATA ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Analytical Parameter pH Water Level Temp Spec Cond DO ORP Eh Turbidity Ferrous Iron Alkalinity Aluminum DIS TOT Antimony DIS TOT Arsenic DIS TOT Barium No Beryllium Bi- carbonate Boron Cadmium DIS TOT Calcium TOT Carbonate Alkalinity Chloride Chromium(') DIS TOTIft No Copper Iron No Lead DIS TOT DIS TOT Alkalinity DIS TOT Yes DIS TOT DIS TOT DIS TOT Reporting Units S.U. k Deg C umho/crns mg mV mV NTUs mg/I mg/I ug/I ug/I ug/1 ug/I ug/I ug/1 ug/I ug/I ug/l ug/1 mg/I ug/I ug/I ug/I ug/1 mg/I mg/l mg/1 ug/1 ug/I mg/I mg/l u9/1 u9/I u9/1 u9/1 15A NCAC 02LStandard 6.5-8.5 NE NE NE NE NE NE NE NE NE NE NE NE 1 * NE 10 NE 700 NE 4* NE NE 700 NE 2 NE NE 250 NE 10 No No NE 1 NE 300 NE 15 Sample Sample 10 collection Date Field Parameters Analytical Results CB -05 04/06/2015 6.7 3.66 12 216 0.51 -29 175.7 9.16 NM 29.9 NA 135 NA <1 NA <1 NA 15 NA <1 29.9 NA 142 NA <1 6.79 <5 22 NA <5 NA <1 NA <0.005 NA 19600 NA <l CB -05 07/09/2015 6.0 5.05 19 230 0.95 -88 117 3.99 NM 34.6 90 191 <1 <1 <1 <1 14 17 <1 <1 34.6 198 209 <1 <1 6.97 <5 27 <1 <5 <1 <1 <0.001 <0.005 20000 25400 <1 <1 CB -06 04/06/2015 6.0 3.48 11 525 1.3 36 240.5 8.53 NM 7.7 NA 31 NA <1 NA <1 NA 31 NA <1 7.7 NA 609 NA <1 42.8 <5 37 NA <5 NA 1.42 NA <0.005 NA 14600 NA <1 CB -06 07/08/2015 5.9 4.94 24 745 0.6 -93 112 4.19 NM 25.9 34 58 <1 <1 <1 <1 50 52 <1 <1 25.9 794 807 <1 <1 57.7 <5 150 <1 <5 2.24 2.21 <0.001 <0.005 20500 22000 <1 <1 CB -07 04/06/2015 5.9 7.73 11 456 6.2 65 270 0.78 NM 14.6 NA 8 NA <1 NA <1 NA 36 NA <1 14.6 NA 233 NA <1 37.2 <5 95 NA <5 NA <1 NA <0.005 NA <10 NA <1 CB -07 07/08/2015 5.8 8.65 21 276 4.45 66 271 1.13 NM 22.9 5 8 <1 <1 <1 <1 29 29 <1 <1 22.9 259 263 <1 <1 23.3 <5 36 <1 <5 <1 <1 0.00113 <0.005 <10 <10 <1 <1 -_ MW -11 05/20/2015 5.0 8.61 16 346 1.98 93 298 1.01 <0.5 11 151 215 <1 <1 <1 <1 96 102 <1 <1 11 <50 <50 <1 <1 19.3 <10 73 3.03 2.96 1.76 2.14 <0.001 <0,001 72 <10 <3 <3 MW -15 03/04/2015 5.4 6.23 10 188 2.86 47 252 3.28 0.5 <10 81 165 <1 <1 <1 <1 113 117 <1 <1 <10 62 61 <1 <1 9.55 <10 43 <1 <1 1.15 1.25 <0.001 <0.001 627 879 <1 <1 < MW -15A 05/20/2015 4.9 7.94 18 167 0.41 151 356 4.73 <0.5 <10 128 179 <1 <1 <1 <1 80 84 <1 <1 <10 51 54 <1 <1 7.7 <10 34 <1 <1 <1 <1 <0.001 <0.001 122 217 <1 <1 MW -16A 03/11/2015 5.3 9.63 10 400 0.88 35 240 0.63 0.5 <10 186 200 <1 <1 <1 <1 117 123 <1 <1 <10 301 303 <1 <1 33.6 <10 93 <1 <1 1.1 1.01 <0.001 <0.001 500 522 <1 <1 MW -16A DUP 03/11/2015 5.3 9.63 10 400 0.88 35 240 0.63 0.5 <10 180 203 <1 <1 <1 <1 116 124 <1 <1 <10 295 302 <1 <1 33.4 <10 92 <1 <1 1.09 1.1 <0.001 <0.001 484 538 <1 <1 MW -16A 05/28/2015 5.0 9.84 15 432 0.51 12 216.7 3.17 <0.5 <10 213 226 <1 <1 <1 <1 117 118 <1 <1 <10 358 354 <1 <1 35.4 <10 97 <1 <1 1.32 1.35 0.00197 <0.001 185 248 <1 <1 MW -17A 03/03/2015 6.3 5.28 8 1331 1.24 22 227 9.4 3 36 58 321 <1 <1 1.08 <1 139 154 <1 <1 36 1240 1060 <1 <1 132 <10 330 <1 <1 28.2 26.3 <0.001 <0.001 23000 8970 <1 <1 MW -17A 05/21/2015 6.2 6.89 24 1573 0.49 -163 42 6.72 6 48 83 1970 <1 <1 4.04 3.35 126 125 <1 <1 48 1650 1540 <1 <1166 <10 390 2.21 3.92 29.8 25.8 <0.001 0.00106 40400 40600 <1 <1 MW -20A 06/24/2015 6.0 4.98 21 707 0.66 -93 111.8 2.43 NM 99 126 250 <1 <1 <1 <1 66 64 <1 <1 99 646 641 2.15 2.01 76.7 <10 23 <1 <1 16.3 16.4 <0.001 <0.001 16000 16300 <1 <1 Detections/Samples --- --- --- --- --- --- --- --- --- 10/15 12/12 15/15 0/12 0/15 2/12 1/15 12/12 15/15 0/12 0/15 10/15 11/12 14/15 1/12 1/15 15/15 0/15 15/15 2/12 2/35 9/12 10/15 2/12 1/15 11/12 12/15 0/12 0/15 Average Alluvial Concentrations (Detections Only) --- --- --- --- --- --- --- --- 33 111 277 --- --- 2.56 3.35 89 79 --- --- 33.0 532 470 2.15 2.01 45.9 --- 103 2.62 3.44 9.2 7.9 0.00155 0.00106 11081 12490 Maximum Concentration --- --- --- --- --- --- --- -- --- 99 213 1970 --- --- 4.04 3.35 139 154 --- --- 99 1650 1540 2.15 2.01 166 --- 390 3.03 3.92 29.8 26.3 0.00197 0.00106 40400 40600 --- --- Number of Alluvial Samples that are Greater Than NCAC 2L _ -- --- - __ ___ __ __ ___ --- 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 1 0 0 2 0 0 O 10 0 0 0 10 0 0 Detections/Samples --- --- --- --- --- --- --- --- --- 7/14 10/12 14/14 0/12 0/14 0/12 0/14 12/12 14/14 0/12 0/14 7/14 0/12 0/14 0/12 0/14 14/34 1/14 14/14 1/12 4/14 5/12 9/14 6/32 4/14 8/12 13/14 0/32E0/14Average Background Concentrations (Detections Only) ------------------------ 94 680 769 --- --- --- --- 32 35 --- --- 35 --- --- --- --- 18.23 350 5.7 3.39 4.86 2.44 2.00 0.00247 0.00489 190 341 Maximum Concentration --- --- --- --- --- --- --- --- --- 440 6540 7200 --- --- --- --- 57 57 --- --- 76 --- --- --- --- 388 350 13 3.39 8.25 4.69 4.29 0.00790 0.0122 449 653 ---Number of eackgrountl water Samples that are Greater Than NCAC 2L 0000000000000 0 0 0 0 0 9 0 0 0 Coal Ash COPC Groundwater Criteria Cont. > Groundwater Criteria COPC Potentially attributable to coal ash No Yes No Yes No Yes No No No No No No Yes No No No No No No Yes No Yes No No No Yes No No NA = Not analyzed for April 2015 NPDES Compliance Sampling Event. No Yes Yes Yes Yes Yes Yes Yes3 No No I Yes No Yes Yes No Yes No No No No No No No No No No Yes No No No No No No No No Yes No No No Yes No No Prepared by: TV KNS Checked by: RLP Notes: Bold color highlighted concentrations indicate highest exceedance of the EPA Mid -Atlantic Risk Assessment regional screening levels for soil, June 2015, for the category listed below: - Bold highlighted concentration indicates exceedance of the SSA NCAC 021 Standard, APPendix 2, April 1, 2013, Note 1: Chromium includes trivalent (Cr+3) and hexavalent (Cr') chromium. - Detection limit Less Than the 15 NCAC 02L Standard Screening Level Note 2: Consitituent is retained as a COPC if analytical method detection limit or concentration Is greater than the groundwater criteria yes - Indicates support/rationale for soil COPC attributable to coal ash. Note 3: Constituent is retained as a COPC if no groundwater criteria - Indicates constituent is not a soil COPC attributable to coal ash. ORP = Oxidation Reduction Potential mV = millivolts DO = Dissolved Oxygen ug/I = microgram per liter --- = Not applicable DIS = Dissolved NE = Not established Deg C = Degree Celsius umhos/cm = micro mhos per centimeter mg/kg = milligram per kilogram TOT = Total NTU = nephelometric turbidity unit mg/I = milligrams per liter Spec Cord = Specific Conductance DUP= Duplicate Temp = Temperature S.U. = Standard Unit mg-N/L = miligram nitrogen per liter ft = feet < = concentration not detected at or above the reporting limit. j = indicates concentration reported below Practical Quantitation Limit (PQL), but above Method Detection Limit (MDL) and therefore concentration is estimated. * - Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April, 1, 2013. NA = Not analyzed for April 2015 NPDES Compliance Sampling Event. P:\Duke Energy Progress, 1026\102. Asheville Ash Basin GW Assessment Plan\l.11 CSA Reporting\tables\Table 12-4 Asheville Alluvial Groundwater - HH Risk Assessment Page 1 of 2 TABLE 12-4 RISK SCREENING TABLE: ALLUVIUM GROUNDWATER DATA ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Coal Ash COPC Groundwater Criteria Conc. > Groundwater Criteria COPC Potentially attributable to coal ash No Analytical Parameter Magnesium TOT Manganese DIS TOT DIS Mercury TOT Methane Molybdenum DIS TOT Nickel DIS T Nitrate it N) Potassium TOT Selenium DIS TOT Sodium TOT Strontium DIS TOT Sulfate Sulfide Thallium DIS TOT Total Dissolved Solids Total Organic Carbon Total Suspend ed Solids Vanadium No Zinc DIS TOT DIS TOT Reporting Units mg/I ug/I ug/I ug/I ug/I ug/I ug/ I ug/1 ug/I �L� mg-N/L mg/I ug/I ug/I mg/I mg/I mg/I ni mg/I ug/I ug/I mg/1 mg/I mg/I ug/I ug/I nl mg/l 15A NCAC 02L Standard NE NE 50 NE 1 NE NENE NE 0 10 NE NE 20 NE NE NE 250 NE NE 0.2 * 500 NE NE NE 0.3 • NE I Yes Sample ID Sample Collection Date No No No No No No No No No No Yes Yes Analytical Results No No Yes No No CB -05 04/06/2015 4.29 NA 594 NA 10.05 NA NA <1 NA <5 NA 0.706 NA <1 15.9 NA NA 15 NA NA 0.239 150 NA <5 NA NA NA 10.005 CB -05 07/09/2015 4.13 415 488 <0.05 10.05 570 <1 <1 <1 <5 <0.023 0.875 <1 <1 17.4 0.033 0.033 8.9 10.1 10.2 10.2 150 9.9 <5 0.491 0.855 <0.005 <0.005 CB -06 04/06/2015 12.2 NA 3330 NA 10.05 NA NA <1 NA <5 NA 4.37 NA <1 23.2 NA NA 170 NA NA <0.2 360 NA <5 NA NA NA <0.005 CB -06 07/08/2015 15.5 3810 3950 <0.05 10.05 57 <1 <1 <1 <5 <0.023 6.88 <1 <1 37.4 0.394 0.409 110 <0.1 <0.2 10.2 520 2.3 <5 <0.3 <0.3 0.019 10.005 CB -07 04/06/2015 11.6 NA <5 NA 10.05 NA NA <1 NA <5 NA 4.21 NA 21.3 23.1 NA NA 36 NA NA <0.2 310 NA <5 NA NA NA 10.005 CB -07 07/08/2015 7.38 5 <5 <0.05 10.05 <10 <1 <1 <1 <5 0.49 3.5 14.3 14.6 19.9 0.184 0.172 56 10.1 <0.2 <0.2 190 0.994 <5 0.344 0.574 0.186 <0.005 - MW -11 05/20/2015 10.2 264 407 <0.05 10.05 <10 <1 <1 2.26 3.53 0.8 1.08 <1 <1 25.8 0.108 0.096 25 <0.1 <0.2 <0.2 220 1.1 <5 <0.3 <0.3 0.007 <0.005 MW -15 03/04/2015 4.61 1080 1060 <0.05 10.05 <10 <1 <I <1 <I 0.125 1.11 <1 <1 14.8 0.117 0.12 5.3 <0.5 <0.2 <0.2 120 0.583 <5 <0.3 <0.3 0.009 0.007 < MW -15A 05/20/2015 4.22 814 840 <0.05 10.05 <10 <1 <I <1 <3 0.177 0.884 <I <1 11.7 0.1 0.102 5.3 <0.1 <0.2 <0.2 99 0.395 <5 <0.3 <0.3 0.007 <0.005 MW -16A 03/11/2015 11.7 1880 1980 <0.05 <0.05 <10 <1 <1 <1 <I <0.01 2.67 <1 <1 14.9 0.181 0.184 33 10.1 10.2 <0.2 260 2 <5 <0.3 <0.3 <0.005 10.005 MW -16A CUP 03/11/2015 11.6 1860 2000 <0.05 <0.05 12 <3 <1 <1 <1 <0.01 2.72 <3 <1 14.7 0.179 0.186 36 <0.1 <0.2 <0.2 260 2.1 <5 <0.3 10.3 <0,005 <0.005 MW -16A 05/28/2015 12.6 1960 1940 <0.05 10.05 <10 <I <I <l <I 0.022 2.57 <I <1 17.5 0.204 0.203 33 10.1 <0.2 <0.2 350 0.725 <5 <0.3 <0.3 <0.005 <0.005 MW -17A 03/03/2015 39.8 17300 12800 <0.05 10.05 11 <1 <1 4.06 5.16 <0.01 4.23 <1 <1 15.4 0.569 0.507 140 <0.5 10.2 <0.2 1300 5.1 19 <0.3 0.401 0.018 0.019 MW -17A 05/21/2015 51 14900 11900 <0.05 10.05 81 1.07 <1 7.13 4.77 0.056 4.51 <1 <1 14 0.601 0.536 160 <0.1 <0.2 <0.2 1200 3.9 67 0.347 2.63 0.077 0.048 MW -20A 06/24/2015 14 15900 15800 <0.05 10.05 73 <1 <1 26.7 25.1 0.094 7.45 1 1.18 17.5 0.554 0.548 220 <0.5 <0.2 <0.2 480 3.8 5 <0.3 0.328 0.063 0.01 Detections/Samples 15/15 12/12 13/15 0/12 0/15 6/12 1/12 0/15 4/12 4/15 7/12 15/15 2/12 3/15 15/15 12/12 12/12 15/15 0/12 0/12 1/15 15/15 12/12 3/15 3/12 5/12 8/12 4/15 Average Alluvial Concentrations (Detections Only) 14.3 5016 4391 --- --- 134 1.07 --- 10.0375 9.64 0.3 3.2 7.7 12.4 18.9 0.269 0.258 70.2 --- --- 0.239 398 2.74 30.3 0.394 0.96 0.04825 0.021 Maximum Concentration 51 17300 15800 --- --- 570 1.07 --- 26.7 25.1 0.8 7.45 14.3 21.3 37.4 0.601 0.548 220 --- --- 0.239 1300 9.9 67 0.491 2.63 0.186 0.048 Number of Alluvial Samples that are Greater Than NCAC 2L 0 0 13 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 2 0 0 0 5 0 0 Detections/Samples 14/14 11/12 13/14 0/12 0/14 1/12 6/12 4/14 6/12 8/14 11/12 14/14 1/12 1/14 14/14 11/12 11/12 14/14 0/12 0/12 0/14 13/14 12/12 6/14 2/12 6/12 12/12 12/14 Average Background Concentrations (Detections Only) 1.8 137 122 --- --- 230 2.27 2.8 1.7 2.7 0.3 2.10 1.44 1.56 4.6 0.14 0.15 1.1 --- --- --- 92 0.331 27 5.395 2.30 0.028 0.032 Maximum Concentration 3.6 365 340 --- --- 230 7.01 7.4 3.45 6.03 1.2 8.77 1.44 1.56 8.54 1.11 1.22 3.9 --- --- --- 500 0.71 110 8.78 8.98 0.082 0.085 Number of Background water Greater Than NCAC 2L Samples that are 0 0 8 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6 0 0 Coal Ash COPC Groundwater Criteria Conc. > Groundwater Criteria COPC Potentially attributable to coal ash No No Yes No No No No Yes No No No No No No No No No Yes No No Yes Yes No No No Yes No No Yes No Yes Yes Yes Yes Yes Yes3 No Yes Yes Yes No No Yes No No No No Yes No No No No No No No No No No No No Yes Yes No No No Yes No No Notes: Bald color highlighted concentrations indicate highest exceedance of the EPA Mid -Atlantic Risk Assessment regional screening levels for soil, lune 2015, for the category listed below: Bold highlighted concentration Indicates exceedance of the 15A NCAC 021 - Standard, Appendix 2, April 1, 2013. - Detection limit Less Than the 15 NCAC 02L Standard Screening Level yes - Indicates support/rationale for soil COPC attributable to coal ash. - Indicates constituent is not a soil COPC attributable to coal ash. ORP = Oxidation Reduction Potential mV = millivolts DO = Dissolved Oxygen DIS = Dissolved NE = Not established Deg C = Degree Celsius TOT = Total NTU = nephelometric turbidity unit mg/I = milligrams per liter Temp = Temperature S.U. = Standard Unit mg-N/L = miligram nitrogen per liter < = concentration not detected at or above the reporting limit. j = indicates concentration reported below Practical Quantitation Limit (PQL), but above Method Detection Umit (MDL) and therefore concentration is estimated. * - Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April, 1, 2013. NA = Not analyzed for April 2015 NPDES Compliance Sampling Event. Note 1: Chromium includes trivalent (Cr') and hexavalent (Cr.e) chromium. Note 1: Consitituent is retained as a COPC if analytical method detectionlimit or concentration is greater than the groundwater criteria Note 2: Constituent is retained as a COPC if no groundwater criteria ug/I = microgram per liter umhos/cm = micro mhos per centimeter Spec Cord = Specific Conductance R = feet --- = Not applicable mg/kg = milligram per kilogram Prepared by: TV KNS Checked by: RLP P:\Duke Energy Progress, 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 12-4 Asheville Alluvial Groundwater - HH Risk Assessment Page 2 of 2 TABLE 12-5 RISK SCREENING TABLE: SAPROLITE GROUNDWATER DATA ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Analytical Parameter PH Water Level Temp Spec Cond DO ORP Eh Turbidity Ferrous Iron Alkalinity Aluminum Yes Antimony Arsenic Barium DIS TOT Beryllium DIS TOT Bi- carbonate Alkalini Boron Cadmium Calcium Carbonate No Chromluml1•2) No Cobalt Copper Iron Lead DIS TOT TOT DIS TOT DIS TOT DIS TOT TOT Alkalinity Chloride DIS TOT DIS TOT DIS TOT DIS TOT DIS TOT Reporting Units S.U. ft Deg C ho umcmS mg/I mV mV NTU mg/I mg/l ug/I ug/11 INE ug/I ug/I ug/I ug/I ug/I ug/I ug/I mg/I ug/l ug/l ug/I ug/I mg/I mg/l mg/I ug/I ug/I ug/l ug/I mg/I mg/I ug/I ug/l ug/l ug/I 15A NCAC 02L Standard 6.5-8.5 NE NE NE NE NE NE NE NE NE NE NE No 1 * NE 10 NE 700 NE 4 * NE NE 700 NE 2 NE NE 250 NE Yes 10 NE 1 * NE 1 NE 300 NE 15 Sample Sample ID collection Date Field Parameters Analytical Results ABMW-02S 03/17/2015 4.2 25.53 17 813 0.41 99.1 304 2.39 1 <10 14000 14200 <1 <1 12.1 11.2 28 29 10.8 11 <10 717 760 2.87 2.96 81.4 <10 12 1.31 1.47 562 569 0.00363 0.00352 1050 1120 <1 <1 ABMW-02S121 05/27/2015 4.1 26.05 19832 0.26 122 327 9.33 <0.5 <10 15600 15100 <1 <1 15.4 16 16 19 11.7 12.5 <10 770 751 3.17 3.3 81.5 <10 14 <1 <1 567 578 0.00416 0.00456 198 557 <1 <1 ABMW-02S CUP 05/27/2015 4.1 26.05 19 832 0.26 122 327 9.33 <0.5 <10 15700 15300 <1 <1 15.5 16 16 17 11.6 12.6 <10 767 761 3.21 3.24 83.2 <10 14 <1 <1 563 576 0.00388 0.00454 206 453 <1 <1 ABMW-05S 04/13/2015 5.9 16.44 14 211 3.53 51 256 2.62 <0.5 69 H 6 92 <1 <1 <1 <1 16 16 <1 <1 69 H <50 <50 <1 <1 13.7 <10 7.8 <1 <1 13.9 14.3 <0.001 <0.001 28 207 <1 <1 ABMW-05Sal 05/26/2015 5.8 18.3 20 222 0.42 -36 169 25.7 3 71 12 21 <1 <1 <1 <1 20 21 <1 <1 71 <50 <50 <1 <1 12.6 <10 5.2 <1 <1 16.1 16.7 <0.001 <0.001 4080 4800 <1 <1 ABMW-07S 04/12/2015 6.5 24.47 18 355 3.73 117 322 6.47 <0.5 70 <5 380 <1 <1 <1 <1 49 48 <1 <1 70 598 596 <1 <1 24.9 <10 6.3 1.26 1.24 6.06 6.12 <0.001 <0.001 <10 216 <1 <1 ABMW-07SI�1 05/27/2015 6.3 25.86 21 423 0.5 -35 170 1.96 <0.5 60 <5 8 <1 <1 <1 <1 45 47 <1 <1 60 783 789 <1 <1 30.6 <10 7.3 <1 <1 3.17 3.5 <0.001 <0.001 93 170 <1 <1 APD -07 05/13/2015 1 5.5 25.6 1 21 169 1.2 1 66 271 4.76 1 <0.5 25 <5 29 1 <1 <1 <1 <1 1 11 13 <1 <1 25 1 134 119 <1 <1 16.4 <10 10 1 <1 <1 <1 <1 <0.001 <0.001 <10 38 1 <1 <1 CB -02 04/07/2015 5.4 23.55 15 159 0.61 119 324 8.73 NM 10.3 NA 295 NA <1 NA <1 NA 33 NA <1 10.3 NA 174 NA <1 10.1 <5 2.9 NA <5 NA 4.26 NA <0.005 NA 319 NA <1 CB -02 07/07/2015 5.3 24 18 148 0.83 115 320 4.43 NM 16.4 9 141 <1 <1 I <1 <1 30 32 <1 <1 16.4 153 155 <1 <1 9.7 <5 2.7 <1 <5 4 1 4.17 <0.001 1 <0.005 1 <10 146 <1 <1 CB -04 04/08/2015 5.1 19 13 340 4.52 112 317 6.73 NM <5 NA 567 NA <1 NA <1 NA 64 NA <1 <5 NA 590 NA <1 29.8 <5 7.5 NA <5 NA 1.63 NA <0.005 NA 291 NA <1 CB -04 07/08/2015 5.2 20.38 18 335 3.12 206 357 18 NM <5 25 4690 <1 <1 <1 <1 53 110 <1 <1 <5 604 598 <1 <1 31 <5 7.6 <1 <5 2.17 5.41 <0.001 <0.005 11 3340 <1 1.57 DP -01 05/13/2015 7.1 11.94 21 550 0.74 50 255 39.6 2.25 180 16 153 <1 <1 640 1180 148 163 <1 <1 180 409 378 <1 <1 98.3 <10 2.3 <1 <1 20.4 20.7 <0.001 <0.001 5810 8770 <1 <1 w GW -03 05/14/2015 5.6 12.99 17 476 2.72 78 283 6.98 <0.5 55 <5 431 <1 <1 <1 <1 46 42 <1 <1 55 1360 1170 <1 <1 75.5 <10 39 <1 <1 <1 17.2 <0.001 <0.001 <10 485 <1 <1 MW -06S 04/15/2015 5.5 1.55 14 332 0.33 115 320 9.52 <0.5 12 23 399 <1 <1 <1 <1 86 84 <1 <1 12 1150 1090 <1 <1 22.9 <10 12 <1 <1 15.1 15.6 <0.001 <0.001 89 645 <1 <1 y MW -06S 05/21/2015 1 5.3 4.51 16 343 1 0.45 1 51 256 1 3.94 1 <0.5 <10 19 62 1 <1 <1 <1 <1 11 85 83 <1 <1 <10 1 1090 SOSO <1 I <1 23.2 <10 12 <1 <1 6.66 6.17 <0.001 <0.001 163 225 11 <1 <1 Ul MW -08S 03/06/2015 6.0 7.69 11 2013 0.79 41 246 4.25 <0.5 70 <5 124 <1 <1 <1 <1 249 251 <1 <1 70 4930 5030 <1 <1 274 <10 450 <1 <1 8.16 7.73 <0.001 <0.001 42 162 <1 <1 MW -08S"' 05/27/2015 5.9 6.93 23 1949 0.95 108 313 8.15 <0.5 78 <5 7 <1 <1 <1 <1 222 223 <1 <1 78 5210 5330 <1 <1 245 <10 450 <1 <1 3 3.09 <0.001 <0.001 30 17 <1 <1 MW -09S 04/27/2015 5.5 28.52 19 2252 2.04 132 337 4.16 <0.5 46 64 35 <1 <1 <1 <1 225 215 <1 <1 46 4870 4730 <1 <1 293 <10 560 <1 <1 17.4 15.8 <0.001 <0.001 105 70 <1 <1 MW -09S 05/21/2015 5.5 28.56 20 2291 1.19 37 242 5.59 <0.5 42 29 245 <1 <1 <1 <1 187 183 <1 <1 42 4840 4800 <1 <1 296 <10 570 <1 <1 5.85 5.9 <0.001 <0.001 18 211 <1 <1 P-100 05/19/2015 5.4 75.12 22 359 0.22 -124 81 9.01 <0.5 <10 22 220 <1 <1 <1 <1 41 43 <1 <1 <10 745 732 <1 <1 30.6 <10 12 1.3 12.7 34.8 35.9 <0.001 <0.001 62 545 <1 <1 P-101 05/19/2015 5.7 86.39 22 418 0.24 -6 199 2.53 <0.5 10 8 123 <1 <1 <1 <1 75 76 <1 <1 10 1240 1200 <1 <1 36.2 <10 12 <1 2.34 14.6 14.3 <0.001 <0.001 35 155 <1 <1 P-103 05/20/2015 5.6 48.53 20 209 0.19 -80 125 8.91 0.5 18 19 257 <1 <1 <1 <1 62 63 <1 <1 18 388 420 <1 <1 13.4 <10 it <1 6.07 23.7 20 <0.001 <0.001 427 724 <1 <1 P-104 05/19/2015 5.7 44.84 21 222 0.87 -21 184 13.3 <0.5 30 12 670 <1 <1 <1 <1 48 48 <1 <1 30 208 194 <1 <1 20.3 <10 7.1 <1 1.64 26.4 26.8 0.00103 0.00106 28 737 <1 <1 P-105 05/13/2015 5.0 44.78 20 70 3.56 74 279 8.09 NM <10 36 412 <1 <1 <1 <1 24 28 <1 <1 <10 <50 <50 <1 <1 3.41 <10 9 <1 2.5 3.66 3.97 0.00162 0.0011 12 422 <1 <1 PZ -19 05/20/2015 5.7 24.34 22 450 2.48 117 322 9.77 <0.5 NA NA 379 NA 2.16 NA <1 NA 46 NA <1 NA NA 969 NA <1 46.6 NA 9.8 NA 4.34 NA <1 NA <0.001 NA 471 NA <1 PZ -22 05/18/2015 5.5 3.07 17 467 0.56 35 240 5.73 2 14 6 104 <1 <1 <1 <1 51 53 <1 <1 14 1220 1210 <1 <1 45.8 <10 8.3 <1 <1 7.27 6.95 <0.001 <0.001 1860 2300 <1 <1 PZ -23 05/18/2015 5.4 21.4 17 228 0.42 147 352 9.22 0 20 11 332 <1 <1 <1 <1 59 64 <1 <1 20 250 226 <1 <1 13.1 <10 4.4 <1 <1 25 22.4 <0.001 <0.001 <10 358 <1 <1 Hi 05/19/2015 6.0 8.63 24 511 1.02 90 295 33.4 7 170 98 2480 <1 <1 <1 1.11 227 243 <1 <1 170 <50 <50 <1 <1 36.8 <10 6.8 1.09 4.49 3.94 4.35 <0.001 <0.001 66000 69200 <1 <1 PZ -26 05/19/2015 1R 27.08 20 42 1.94 101 306 9.44 <0.5 <10 38 213 <1 <1 <1 <1 42 45 <1 <1 <10 <50 <50 <1 <1 0.525 <10 2.8 <1 <1 2.1 2.23 0.00177 <0.001 <10 189 <1 <1 Detections/Samples --- --- --- --- --- --- --- --- --- 20/29 21/27 30/30 0/27 1/30 4/27 5/30 27/27 30/30 3/27 3/30 20/29 22/27 25/30 3/27 3/30 30/30 0/29 30/30 4/27 9/30 25/27 28/30 6/27 5/30 21/27 30/30 0/27 1/30 e Aquifer Background Average Saprolat ions ( ons (Detections Only) Concentrations ___ ___ ___ ___ ___ ___ ___ ___ ___ 52.5 2179 1916 --- 2.16 170.8 244.9 80.0 80.1 11.4 12.0 52.5 1474 1353 3.08 3.17 66.7 --- 75.9 1.24 4.09 78.2 71.7 0.00268 0.00296 3826 3245 --- 1.57 Maximum Concentration --- --- --- --- --- --- --- --- --- 180 15700 15300 --- 2.16 640 1180 249 251 11.7 12.6 180 5210 5330 3.21 3.3 296 --- 570 1.31 12.7 567 578 0.00416 0.0046 66000 69200 --- 1.57 Number of 5aprolite Aquifer Backgroundwater Samples that are Greater Than NCAC 2L --- --- --- --- --- --- --- --- --- 0 0 0 0 1 0 4 0 0 0 3 0 0 15 0 3 0 0 4 O 1 O 28 0 0 0 17 0 O Detections/Samples --- --- --- --- --- --- --- --- --- 7/14 10/12 14/14 0/12 0/14 0/12 0/14 12/12 14/14 0/12 0/14 7/14 0/12 0/14 0/12 0/14 14/14 1/14 14/14 1/12 4/14 5/12 9/14 6/12 4/14 8/12 13/14 0/12 0/14 Average Background Concentrations (Detections Only) ___ ___ ___ ___ ___ ___ ___ ___ 94 680 769 --- --- --- --- 32 35 --- --- 35 --- --- --- --- 18.23 350 5.7 3.39 4.86 2.44 2.00 0.00247 0.0049 190 341 Maximum Concentration --- --- --- --- --- --- --- --- --- 440 6540 7200 --- --- --- --- 57 57 --- --- 76 --- --- --- --- 188 350 13 3.39 8.25 4.69 4.29 0.00790 0.0122 449 653 --- --- Number of Backgroundwater Samples that are Greater Than NCAC 2L --- --- --- --- --- --- --- --- --- 0 0 0 0 0 0 0 0 0 0 0 0 O 0 O 0 0 0 O 0 0 0 9 0 O O 8 0 O Coal Ash COPC Groundwater Criteria Conc. > Groundwater Criteria COPC Potentially attributable to coal ash Prepared by: TV/KNS Checked by: RLP No Yes No Yes No Yes I No No No No No No Yes No No No No No No VesNo yes No No No Yes No No Yes Yes Yes Yes yes Yes Yes° Yes Yes Yes Yes yes Yes INO No Yes No Yes NO Yes No No NO NO No No Yes No No No No No No Yes No yes No NO No Yes NO Notes: Bald color highlighted concentrations indicate highest exceedance of the EPA Mid -Atlantic Risk Assessment regional screening levels for soil, June 2015, for the category listed below: PNo- Bold highlighted concentration indicates exceedance of the 15A NCAC 02L Standard, Appendix 2, April 1, 2013. Detection limit Less Than the 15 NCAC 02L Standard Screening Level Indicates support/rationale for soil COPC attributable to coal ash. - Indicates constituent is not a soil COPC attributable to coal ash. ORP = Oxidation Reduction Potential mV = millivolts DO = Dissolved Oxygen ug/I = microgram per liter DIS = Dissolved NE = Not established Deg C = Degree Celsius umhos/cm = micro mhos per centimeter TOT = Total NTU = nephelometric turbidity unit mg/I = milligrams per liter Spec Cond = Specific Conductance Temp = Temperature S.U. = Standard Unit mg-N/L = miligram nitrogen per liter ft = feet < = concentration not detected at or above the reporting limit. --- - Not applicable DUP = Duplicate j = indicates concentration reported below Practical Quantitation Limit (PQL), but above Method Detection Limit (MDL) and therefore concentration is estimated. mg/kg = milligram per kilogram < = concentration not detected at or above the reporting limit. * - Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April, 1, 2013. NA = Not analyzed for April 2015 NPDES Compliance Sampling Event. Note 1: Chromium includes trivalent (Cr") and hexavalent (Cr+6) Chromium Note 2: Hexavalent Chromium concentration for ABMW-025 (0.054 ug/L), ABMW-075 (0.232 ug/L), and MW -08S (0.045 ug/L) are greater than EPA screening value for tapwater (0.035 ug/L). Hexavalent Chromium concentration for ABMW-05S (0.017 ug/L) is less than EPA Screening value for tapwater (0.035 ug/L). See Table 10-3 (USEPA Regional Screening Levels [RSLs] rev., June 26, 2015) Note 3: Consitituent is retained as a COPC if analytical method detection limit or concentration is greater than the groundwater criteria Note 4: Constituent is retained as a COPC if no groundwater criteria PADuke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 12-5 Asheville Saprolite Groundwater - HH Risk Assessment Page 1 of 2 TABLE 12-5 RISK SCREENING TABLE: SAPROLITE GROUNDWATER DATA ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Analytical Parameter Magnesium TOT Manganese No Mercury Methane Molybdenum Yes Nickel Nitrate Potassium Selenium No Sodium Strontium No SulfateINE Thallium DIS TOT Total Dissolved Solids Total Organic Carbon Total Suspended Solids Vanadium No Zinc DIS TOT DIS TOT DIS TOT DIS TOT ( as N) TOT DIS TOT TOT DIS TOT DIS TOT DIS TOT Reporting Units mg/I ug/I ug/I ug/1 ug/11 ug/I ug/I ug/1 ug/I ug/I mg-N/L m9/1 ug/I ug/I mg/I mg/1 mg/1 mg/I ug/I ug/I mg/1 mg/I mg/I ug/I ug/I mg/I mg/I 15A NCAC 02L Standard NE NE 50 NE 1 NE NE NE NE 100 10 NE NE 20 NE NE NE 250 NE 0.2 * 500 NE NE NE 0.3 * NE 1 No Sample Sample ID Collection Date No No Yes No No No No No No No No No Analytical Results No No Yes Yes No No No Yes NO No ABMW-02S 03/17/2015 22.3 17000 17500 <0.05 <0.05 <10 <1 <1 229 233 1.4 5.67 7.55 10.7 19.3 0.251 0.258 610 <1 0.267 0.369 640 0.421 <5 <0.3 <0.3 0.499 0.503 ABMW-02S 05/27/2015 22.2 16600 16200 <0.05 <0.05 11 <1 <1 232 247 1.4 5.05 10.1 10.8 15.7 0.254 0.259 730 <0.2 0.243 0.333 670 0.359 12 <0.3 0.666 0.517 0.48 ABMW-02S DUP 05/27/2015 22.7 16700 16500 <0.05 <0.05 11 <1 <1 236 245 1.3 5.08 10.4 10.3 15.7 0.253 0.262 720 <0.2 0.256 0.329 660 0.363 7 <0.3 0.421 0.514 0.484 ABMW-05S 04/13/2015 12.2 393 395 <0.05 <0.05 28 <1 <1 2.15 2.28 <0.01 1.76 <1 <1 7.16 0.088 0.087 17 <2 <0.2 <0.2 130 0.82 <5 <0.3 <0.3 0.009 <0.005 ABMW-05S 05/26/2015 12.6 521 537 <0.05 <0.05 32 <1 <1 3.33 3.37 0.017 1.29 <1 <1 6.34 0.083 0.083 20 <0.5 <0.2 0.309 130 0.698 <5 <0.3 <0.3 0.008 0.006 ABMW-07S 04/12/2015 5.59 768 798 <0.05 <0.05 52 101 103 <1 <1 0.224 6.85 4.29 3.65 13.9 0.337 0.333 82 <0.1 0.396 0.311 190 0.78 <5 0.344 0.76 0.007 0.007 ABMW-07S 05/27/2015 6.59 740 763 <0.05 <0.05 37 119 122 <1 <1 0.326 10.1 1.75 1.65 11.6 0.433 0.442 120 <0.2 0.426 0.664 200 0.424 <5 <0.3 <0.3 0.022 0.007 APD -07 05/13/2015 1 6.76 14 12 1 <0.05 <0.05 <10 I <1 <1 <1 <1 1 0.727 0.597 1 20 19 4.07 0.046 1 0.047 27 <0.1 <0.2 I <0.2 96 0.261 <5 <0.3 <0.3 <0.005 <0.005 CB -02 04/07/2015 3.52 NA 3030 NA <0.05 NA NA <1 NA <5 NA 0.912 NA <1 9.94 NA NA 38 NA NA <0.2 100 NA <5 NA NA NA 0.01 CB -02 07/07/2015 3.46 2930 3000 <0.05 <0.05 <10 <1 <1 <1 <5 2.2 0.838 <1 <1 10 0.014 0.013 35 <0.1 <0.2 <0.2 93 0.281 <5 <0.3 <0.3 0.02 0.008 CB -04 04/08/2015 6.76 NA 747 NA <0.05 NA NA <1 NA <5 NA 2.64 NA 8 18.1 NA NA 140 NA NA <0.2 240 NA 5 NA NA NA <0.005 CB -04 07/08/2015 7.88 876 920 <0.05 0.06 <10 <1 <1 1.46 <5 3.5 3.49 6.78 7.58 17.7 0.215 0.213 130 <0.1 <0.2 <0.2 230 0.261 28 <0.3 4.68 0.045 0.015 DP -01 05/13/2015 8.96 1580 1570 <0.05 <0.05 23 49.5 51.6 3.46 3.64 0.015 8.18 <1 <1 6.22 1.81 1.61 96 <0.1 <0.2 <0.2 370 0.49 22 0.762 3.12 <0.005 <0.005 N GW -03 05/14/2015 21.4 455 555 <0.05 <0.05 <10 <1 <1 <1 <1 0.606 3.08 2 2.84 12.5 0.813 0.679 170 <5 <0.2 <0.2 440 0.671 7 <0.3 0.301 0.006 <0.005 .0 MW-06S 04/15/2015 10.8 10600 10000 <0.05 <0.05 15 <1 <1 1.31 1.9 0.077 2.6 <1 <1 14.1 0.155 0.147 120 <0.2 <0.2 <0.2 220 0.44 6 <0.3 0.543 <0.005 <0.005 p, MW -06S 05/21/2015 10.7 10000 9970 <0.05 <0.05 1 12 <1 <1 <1 I <1 0.051 2.34 <1 <1 14.6 0.139 0.141 130 <0.1 <0.2 I <0.2 220 0.345 <5 <0.3 <0.3 <0.005 0.005 N !A MW -085 03/06/2015 79.9 2840 2850 <0.05 <0.05 <10 1.51 1.59 2.3 2.47 0.13 2.02 1.08 1.17 18.8 4.38 4.41 260 <1 <0.2 <0.2 1500 0.348 <5 <0.3 0.342 0.037 0.009 MW -08S 05/27/2015 78.5 2970 2830 <0.05 <0.05 <10 3.03 3.2 1.89 1.65 1 0.123 1.91 1 1.21 1.41 15 4.14 4.16 290 <0.2 <0.2 <0.2 1900 0.294 <5 <0.3 <0.3 0.011 0.014 MW -09S 04/27/2015 91.3 4580 4290 0.08 <0.05 <10 <1 <1 5.27 5.24 0.695 4.76 41.9 36.6 16.1 3.26 3.08 250 <0.5 0.225 0.294 1700 0.357 <5 <0.3 <0.3 0.009 0.009 MW -095 05/21/2015 87.7 3870 3630 <0.05 0.22 <10 <1 <1 3.46 3.92 0.666 3.94 39.3 40.6 17.5 3.04 2.95 270 <0.5 0.213 <0.2 1700 0.246 <5 <0.3 <0.3 0.04 0.049 P-100 05/19/2015 1 8.4 3360 3380 <0.05 <0.05 <10 <1 I <1 8.44 13.6 0.013 0.851 <1 <1 1 17.2 0.018 0.018 140 1 <0.1 <0.2 <0.2 230 0.303 <5 <0.3 0.457 0.04 0.038 P-101 05/19/2015 14 2280 2320 <0.05 <0.05 <10 <1 <1 2.2 4.18 <0.01 2.24 <1 <1 14.3 0.356 1 0.362 160 <0.5 <0.2 <0.2 260 0.268 <5 <0.3 <0.3 1 0.033 0.027 P-103 05/20/2015 6.49 8200 7410 <0.05 <0.05 <10 <1 <1 7.66 10.1 0.02 4.71 <1 <1 5.8 0.025 0.025 50 <0.5 <0.2 <0.2 120 0.565 <5 <0.3 0.488 0.097 0.076 P-104 05/19/2015 8.52 1120 1150 <0.05 <0.05 1 <10 <1 <1 2.66 3.56 4.7 1.46 2.08 1.37 6.04 0.095 0.088 41 <0.1 <0.2 1 <0.2 140 1 0.17 8 <0.3 0.559 0.079 0.068 P-105 05/13/2015 2.95 110 120 <0.05 <0.05 <10 <1 <1 1.99 5.01 1.4 1 0.919 1 <1 <1 2.58 0.026 0.026 3.1 <0.5 <0.2 <0.2 44 0.145 26 <0.3 0.584 0.044 0.047 PZ -19 05/20/2015 10.2 NA 272 NA <0.05 NA NA <1 NA 5.63 1.6 8.43 NA <1 16.9 NA 0.565 170 NA NA 0.252 NA 0.331 NA NA 0.99 NA 0.014 PZ - 22 05/18/2015 9.74 2190 2230 <0.05 <0.05 <10 <1 <1 1.26 1.29 0.419 7.77 <1 <1 17.2 0.8 0.826 200 <0.2 <0.2 <0.2 290 0.432 <5 <0.3 <0.3 0.027 0.027 PZ -23 05/18/2015 3.68 3680 3640 <0.05 <0.05 29 <1 <1 <1 1.43 0.771 2.15 <1 <1 16.5 0.111 0.112 62 <0.1 <0.2 <0.2 120 0.301 <5 <0.3 0.389 0.018 0.014 PZ -24 05/19/2015 8.45 1950 2000 <0.05 <0.05 14000 <1 <1 <1 3.56 0.027 6.78 <1 <1 5.24 0.199 0.202 <0.1 <0A <0.2 <0.2 260 9 44 1.41 4.25 0.028 0.006 PZ -26 05/19/2015 2.33 28 34 <0.05 0.13 <10 <1 <1 <1 <1 2 0.781 <1 <1 2 0.009 0.009 0.13 <0.1 <0.2 <0.2 <25 0.193 <5 <0.3 <0.3 0.019 0.015 Detections/Samples 30/30 27/27 30/30 1/27 3/30 11/27 5/27 5/30 18/27 20/30 26/28 30/30 13/27 14/30 30/30 27/27 28/28 29/30 0/27 7/27 8/30 29/30 28/28 11/29 3/27 15/28 23/27 24/30 Average Saprolite Aquifer Background Concentrations (Detections Only) 19.9 4309 3955 0.08 0.13667 1295 54.8 56.3 41.4 39.9 0.94 3.71 11.4 11.1 12.3 0.79 0.77 175.2 --- 0.29 0.358 460 0.70 16.7 0.84 1.24 0.093 0.081 Maximum Concentration 91.3 17000 17500 0.08 0.22 14000 119 122 236 247 4.7 10.1 41.9 40.6 19.3 4.38 4.41 730 --- 0.426 0.664 1900 9 44 1.41 4.68 0.517 0.503 Number ofSaprolite Aquifer Background water Samples that are Greater Than NCAC 2L 0 0 28 0 0 O 0 0 0 3 0 0 0 2 0 0 0 6 0 0 8 7 0 0 0 15 0 0 Detections/Samples 14/14 11/12 13/14 0/12 0/14 1/12 6/12 4/14 6/12 8/14 11/12 14/14 1/12 1/14 14/14 11/12 11/12 14/14 0/12 0/12 0/14 13/14 12/12 6/14 2/12 6/12 12/12 12/14 Average Background Concentrations (Detections Only) 1.8 137 122 --- --- 230 2.27 2.8 1.7 2.7 0.3 2.10 1.44 1.56 4.6 0.14 0.15 1.1 --- --- --- 92 0.331 27 5.395 2.30 0.028 0.032 Maximum Concentration 3.6 365 340 --- --- 230 7.01 7.4 3.45 6.03 1.2 8.77 1.44 1.56 8.54 1.11 1.22 3.9 --- --- --- 500 0.71 110 8.78 8.98 0.082 0.085 Number of Background water Samples that are Greater Than NCAC 2L 0 0 8 0 0 O 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6 0 0 Coal Ash CO PC Groundwater Criteria Conc. > Groundwater Criteria COPC Potentially attributable to coal ash Prepared by: N/KNS Checked by: RLP No No Yes No No No No Yes No No No No No No No No No Yes No No Yes Yes No No No Yes No No Yes No Yes Yes Yes Yes Yes Yes' Yes Yes Yes Yes No No Yes No No No No Yes No No No No No No No No No Yes No No Yes Yes No No No Yes NO No Notes: Bald color highlighted concentrations indicate highest exceedance of the EPA Mid -Atlantic Risk Assessment regional screening levels for soil, June 2015, for the category listed below: - Bold highlighted concentration indicates exceedance of the 15A NCAC 02L Standard, Appendix 2, April 1, 2013. - Detection limit Less Than the 15 NCAC 02L Standard Screening Level PN. Indicates support/rationale for soilCOPC attributable to coal ash. - Indicates constituent is not a soil COPC attributable to coal ash. ORP = Oxidation Reduction Potential my = millivolts DO = Dissolved Oxygen ug/I = microgram per liter DIS - Dissolved NE = Not established Deg C = Degree Celsius umhos/cm = micro mhos per centimeter TOT = Total NTU = nephelometric turbidity unit mg/I = milligrams per liter Spec Cond = Specific Conductance Temp = Temperature S.U. = Standard Unit mg-N/L = miligram nitrogen per liter It = feet < = concentration not detected at or above the reporting limit. --- = Not applicable j = Indicates concentration reported below Practical Quantitation Limit (PQL), but above Method Detection Limit (MDL) and therefore concentration is estimated. DUP = Duplicate mg/kg = milligram per kilogram Note 3: Consitituent is retained as a COPC if analytical method detection limit or concentration is greater than the groundwater criteria < = concentration not detected at or above the reporting limit. Note 4: Constituent is retained as a COPC if no groundwater criteria * - Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April, 1, 2013. NA = Not analyzed for April 2015 NPDES Compliance Sampling Event. Note 1: Chromium includes trivalent (Cr+s) and hexavalent (Cr's) Chromium Note 2: Hexavalent Chromium concentration for ABMW-025 (0.054 ug/L), ABMW-075 (0.232 ug/L), and MW -085 (0.045 ug/L) are greater than EPA screening value for tapwater (0.035 ug/L). Hexavalent Chromium concentration for ABMW-05S (0.017 ug/L) is less than EPA Screening value for tapwater (0.035 ug/L). See Table 10-3 (USEPA Regional Screening Levels [RSLs] rev., June 26, 2015) Note 3: Constituent is retained as a COPC if analytical method detection limit or concentration is greater than the groundwater criteria Note 4: Constituent is retained as a COPC if no groundwater criteria PADuke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 12-5 Asheville Saprolite Groundwater - 1111 Risk Assessment Page 2 of 2 TABLE I2-6 RISK SCREENING TABLE: TRANSITION ZONE GROUNDWATER DATA ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Coal Ash COPC Groundwater Criteria Conc. > Groundwater Criteria COPC Potentially attributable to coal ash Yes No Yes No Yes No No No No No No Yes No No No No No No Yes No Yes No No No Yes No No No No Yes No Ves Yes Ves Yes Yes Yes Yes ��No Yes° No No Yes ®mmmmmm®®®®am,mmm,mta�®��aa®®�mmamaa��®m®mm Yes Yes Yes Yes YesI gig 1t0.. No No I No I No No No No I No I Yes No No No No No No Yes No Yes No No No Yes No No No No Yes Field Parameters Analytical Results �� ®gym®m®gym•®m®®®mm•mmm®mm��®®m•m�m®mm•��mm�� mmtmmm®®m•®msmmmmmm®mm��®®mmm•®mmm®��mm®®® �� mmtmmmm•omm�mmmmmm®mm��®®m■m�m®®mm��mm�®� �� ®®mm•mm®m■m•®mm®mmmmm®m®�®®®m•�m•®®m■®��mm�� mm•mm�m■m•mo�®m®mmm®®m��®®m•�m■®®m•��mmm�®® �� mm.mm�m■®mmmm®mmmm®®m®m®m.®®0mm®m�m�mm�0� �� m®m®�m■m mm®mmm®mmm®®mmm®®®m■m®m�m�mmmm�m� �� mmmm�®m• m®®®mmmmm®®m��®®m.�o®®m.®m��mm�� ®�mmmm�®m• ®mmmm®®mmmm®��m®®�®mmm■��m®�� ®�mm.mm�®� m•®m®m®mmm®mm��m®m�m��mm��mmm�m�� ®�mmmm�®m■ m•mm®m®mmm®mm��®®®�®®®m■�ms�m�mm�m� �� ®�mmmm��m• ®mm®mmmmm®®®��®®m•�m■®®m■��mm�m�® �� mm.m®�m■o mmm®®mmmm®®mmm®®®m.�m®m��mm®�� mm•mmmm•®m®m®mmmmm®®m��®®m•m�m®®m®��mm�� ®�mmmm��m■ m•m�mmmmmm®®��®®m.�m■®®m■®��mm®�� ' ��®mmmm®�m•m•mmmmmmmm®®��®®®�®®mm■��mmm®gym . ��®mmm.mm��®��®mmmmm®®��®®m.�o®®m■m��mm��® �� mm•®m��m m•��®mmmmm®m��®mm•m�m■®®m�m��mm®�� ®�mmtmm��®m•�®mmmmmm®®�®�®®m■�ommm■��mm�� ®�mm•mm��m• mm®®mmmmm®®m��®®m■m�m®®m■��mmm®��m �� m®®mmm®®00�®mmmm,mt®m0��®®m.��m■��®m�� ®gym®mmmm®m®m®mmm®®®®m��®®®��®®m•��mm�� ®�mm•mm��m• ®�m�®mm®mtmt®®®mmm®®��®®m•®��mmm�� ®mmmm®gym■ ®0�®mm®mm®®®��®®m.�o�®m■m��m�mm�� ®mmm®m��m• m•mmsmmmmmm®®��®®m•�m■®®m■®ma��mm�®® �� o®m®��m• mmm®mmmmm®®m��®®®gym•®®m.��®mm�� mm•mmm�®mmm®mmmmm®®m��®®m■�m■®®m■��mm®�� m®®m®m■m■ m©m�®mm®mm®®m��m®m■�®®�mm�mam�mm�� ®�®mmm®m•m• m©m®mmmmm®®m��®®®�®®®m®��m�mm�mm ��®mm.mm�m•mm®m®m®mmm®mmmm®®m.�m m.��mm®�� ®�mm.mm®m■mms®�®®mmmm®mm��mmm.�m®mm•®mam,m�mm�m�® �� ®®mm.mm�m■mmm�mm®®mmm®m��mmm•�ommm®��mt�mm®mm �� ®mm.mm®m•m®mm®mmmmm®®®mm®®m•�®®mm■�mamlmmtmm�m� �� mm.mm�®m•m®�®m®mmm®mm��®®®��®m®��mtmtmm�®m Concentration concentrations Samples that are �GreaterTha, NCAC 2L ®®®®®®®®®m�m�®®®®mm®®m®®®®m• �m��mlmt®®�� Coal Ash COPC Groundwater Criteria Conc. > Groundwater Criteria COPC Potentially attributable to coal ash Notes: Bold color highlighted concentrations indicate highest exceedance of the EPA Mid -Atlantic Risk Assessment regional screening levels for soil, June 2015, for the category listed below: - Bold highlighted concentration indicates exceedance of the ISA NCAC 02L Standard, Appendix 2, April 1, 2013. - Detection limit Less Than the 15 NCAC 02L Standard Screening Level Ya. - Indicates support/rationale for soil COPC attributable to coal ash. CUP = Duplicate - Indicates constituent is not a soil COPC attributable to coal ash. ft = feet ORP = Oxidation Reduction Potential mV = millivolts DO = Dissolved Oxygen ug/I = microgram per liter DIS = Dissolved NE = Not established Deg C = Degree Celsius umhos/cm = micro mhos per centimeter TOT = Total NTU = nephelometric turbidity unit mg/I = milligrams per liter Spec Cord = Specific Conductance Temp = Temperature S.U. = Standard Unit mg-N/L = miligram nitrogen per liter ft = feet < =concentration not detected at or above the reporting limit. mg/kg =.milligram per kilogram --- = Not applicable j = indicates concentration reported below Practical Quantitation Limit (PQL), but above Method Detection Limit (MDL) and therefore concentration is estimated. * - Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April, 1, 2013. NA = Not analyzed for April 2015 NPDES Compliance Sampling Event. Note 1: Chromium includes trivalent (Cri3) and hexavalent (Cr-) Chromium Note 2: Hexavalent Chromium concentration for GW-OID and MW -22D are greater than EPA screening value for tapwater (0.035 ug/L). Hexavalent Chromium concentration for ABMW-04D, ABMD- 05D, MW -05D, MW -21D, MW-23DL, MW-23DU are less than EPA Screening value for tapwater (0.035 ug/L). See Table 10-3 (USEPA Regional Screening Levels (RSLs] rev., lune 26, 2015) Note 3: Consitituent is retained as a COPC if analytical method detection limit ar concentration is greater than the groundwater criteria Note 4: Constituent is retained as a COPC if no groundwater criteria Prepared by: TV KNS Checked by: RLP P:\Duke Energy Progress.1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 12-6 Asheville Transition Zone GW - HH Risk Assessment Page 1 of 2 Yes No Yes No Yes No No No No No No Yes No No No No No No Yes No Yes No No No Yes No No No No Yes No Ves Yes Ves Yes Yes Yes Yes ��No Yes° No No Yes Yes Yes Yes Yes YesI gig 1t0.. No No I No I No No No No I No I Yes No No No No No No Yes No Yes No No No Yes No No No No Yes Notes: Bold color highlighted concentrations indicate highest exceedance of the EPA Mid -Atlantic Risk Assessment regional screening levels for soil, June 2015, for the category listed below: - Bold highlighted concentration indicates exceedance of the ISA NCAC 02L Standard, Appendix 2, April 1, 2013. - Detection limit Less Than the 15 NCAC 02L Standard Screening Level Ya. - Indicates support/rationale for soil COPC attributable to coal ash. CUP = Duplicate - Indicates constituent is not a soil COPC attributable to coal ash. ft = feet ORP = Oxidation Reduction Potential mV = millivolts DO = Dissolved Oxygen ug/I = microgram per liter DIS = Dissolved NE = Not established Deg C = Degree Celsius umhos/cm = micro mhos per centimeter TOT = Total NTU = nephelometric turbidity unit mg/I = milligrams per liter Spec Cord = Specific Conductance Temp = Temperature S.U. = Standard Unit mg-N/L = miligram nitrogen per liter ft = feet < =concentration not detected at or above the reporting limit. mg/kg =.milligram per kilogram --- = Not applicable j = indicates concentration reported below Practical Quantitation Limit (PQL), but above Method Detection Limit (MDL) and therefore concentration is estimated. * - Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April, 1, 2013. NA = Not analyzed for April 2015 NPDES Compliance Sampling Event. Note 1: Chromium includes trivalent (Cri3) and hexavalent (Cr-) Chromium Note 2: Hexavalent Chromium concentration for GW-OID and MW -22D are greater than EPA screening value for tapwater (0.035 ug/L). Hexavalent Chromium concentration for ABMW-04D, ABMD- 05D, MW -05D, MW -21D, MW-23DL, MW-23DU are less than EPA Screening value for tapwater (0.035 ug/L). See Table 10-3 (USEPA Regional Screening Levels (RSLs] rev., lune 26, 2015) Note 3: Consitituent is retained as a COPC if analytical method detection limit ar concentration is greater than the groundwater criteria Note 4: Constituent is retained as a COPC if no groundwater criteria Prepared by: TV KNS Checked by: RLP P:\Duke Energy Progress.1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 12-6 Asheville Transition Zone GW - HH Risk Assessment Page 1 of 2 TABLE I2-6 RISK SCREENING TABLE: TRANSITION ZONE GROUNDWATER DATA ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Coal Ash COPC Groundwater Criteria Cone. > Groundwater Criteria COPC Potentially attributable to coo ast No No No No Yes No No No No No No No No No Yes No No Yes Yes No No No Yes No No No Ves Yes Yes .. aam®®��m®mm®m®mm�mtm■m®m,m.00 Yes° Yes Yes Yes Yes No No Yes No No No [ No No 11 no Analytical Results No Yes I No No Yes I Yes No No No Yes No No ��mm��®®mm■m®�mtm■m��m■momtm•�� mm®��®mm■m®�mtm•m��mtm■m®mtm•� ��mm��mm•m®mmtm•mm�mtm■mmmtm• ��mm®®comm®m®�mtm•m��mtm•momtm•�� mm®®�®mm•m®�mtm■m��mtm■®®mtm• ��mm®�m�mm■®cot®mtm•m��m■mmmtm• ��mmmm®mmmm•m®�mmmmmmtm■mmmmm ��mm®®gym®m•mmt®mtm■m��m■®®cot®�� mmmm®mmmm■mmt�mmmmmmtmm®mmm� ��mm®®gym©m•�mt�mtm•m��mtmm®mtm•�� mm®m��m®mm®mtm•m��mtmmmmtm•�� mm®®o�m®m®��m■m��mtmm®m,m. ��mm®®��®m■m®®mtm•®��mtmm®mtm• ��mm®®m�mm•m®�mtm•m��mtm■mmmtm• ��mm®®®�mm•m®�mtm•®��mt®m®mtm• . ��mmm®��®®�mt��m.m��mtm■m®m,m.�� mmm®®mom■®o®mtm•m��mtm■m®mtm• ��mm®®mm®®�©�mtm•m��mtm■m®mtm•�� m®®®®®mm•m®�mtm■m��mtm■m®mtm• ��mm��mm■�®�mtm.m��m■mom,m. ��mm��m®pmt®mtmtm��mtm•m®mtm• ��mm®®�®mm•m®�mtm•m��mfm■m®mtm•� ��mm®®®®mm•m®�mtmt®��mtmm©mtm•� ��mm��m®m®®mtm■m��mtmm®mtm•� ��mm®®�mmm•m®�mtm.m��mt0m®m,m. ��mm®mmmmm•m®�mtm•m��mtmm®mtm• ��mm��mm•m®�mtm■m��mtm■®®mtm• ��mm��®®mm■®mt��m.m��mtm■mam,m. Maximum Concentration Concentrations Sample. that are Greater Than NCAC 2L Maximum Concentration ®®m��®m■mtmt�®®m®®®m■mm■mtm• Coal Ash COPC Groundwater Criteria Cone. > Groundwater Criteria COPC Potentially attributable to coo ast No No No No Yes No No No No No No No No No Yes No No Yes Yes No No No Yes No No No Ves Yes Yes Yes Yes° Yes Yes Yes Yes No No Yes No No No [ No No 11 no No Yes I No No Yes I Yes No No No Yes No No Notes: Bold color highlighted concentrations indicate highest exceedance of the EPA Mid -Atlantic Risk Assessment regional screening levels for soil, June 2015, for the category listed below: - Bold highlighted concentration indicates exceedance of the ISA NCAC 12L Standard, Appendix 2, April 1, 2013. - Detection limit Less Than the 15 NCAC 02L Standard Screening Level Yea - Indicates support/rationale for soil COPC attributable to coal ash. - Indicates constituent is not a soil COPC attributable to coal ash. DUP = Duplicate ORP = Oxidation Reduction Potential mV = millivolts DO = Dissolved Oxygen ug/I = microgram per liter DIS = Dissolved NE = Not established Deg C = Degree Celsius umhos/cm = micro mhos per centimeter TOT = Total NTU = nephelometric turbidity unit mg/I = milligrams per liter Spec Cond = Specific Conductance Temp = Temperature S.U. = Standard Unit mg-N/L = miligram nitrogen per liter ft = feet < =concentration not detected at or above the reporting limit. mg/kg = milligram per kilogram --- = Not applicable j = indicates concentration reported below Practical Quantitation Limit (PQL), but above Method Detection Limit (MDL) and therefore concentration is estimated. - - Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April, 1, 2013. NA = Not analyzed for April 2015 NPDES Compliance Sampling Event. Prepared by: DIKNS Checked by: RLP Note 1: Chromium includes trivalent (Cr+3) and hexavalent (Cr+6) Chromium Note 2:. Hexavalent Chromium concentration for GW-OID and MW -22D are greater than EPA screening value for tapwater (0.035 ug/L). Hexavalent Chromium concentration for ABMW-04D, ABMD-05D, MW -05D, MW -21D, MW-23DL, MW-23DU are less than EPA Screening value for tapwater (0.035 ug/L). See Table 10-3 (USEPA Regional Screening Levels [RSLs) rev., June 26, 2015) Note 3: Consitituent is retained as a COPC if analytical method detection limit or concentration is greater than the groundwater criteria Note 4: Constituent is retained as a COPC if no groundwater criteria P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 12-6 Asheville Transition Zone GW - HH Risk Assessment Page 2 of 2 TABLE 12-7 RISK SCREENING TABLE: BEDROCK GROUNDWATER DATA ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Analytical Parameter PH Water Level Temp Spec Cond DO ORP Eh Turbidity Fer rous Iron Alkalinity Aluminum 18/31 21/35 Antimony Arsenic 1 35/35 Barium 1 34/35 1 Beryllium Bi- carbonate Boron DIS TOT Cadmium DIS TOT Calcium TOT Carbonate Alkalinity Chloride Chromium(',�/ Cobalt Copper Iron Lead DIS TOT DIS TOT DIS TOT DIS TOT DIS TOT Alkalinity DIS TOT DIS TOT DIS TOT DIS TOT DIS TOT Reporting Units S.U. ft Deg C umhms mg/I mV mV NTUs mg/I mg/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I mg/I ug/I ug/I ug/I ug/I mg/I mg/I mg/I ug/I ug/I ug/I ug/I mg/I mg/I ug/I ug/I ug/I ug/I ___ 98 15 NCAC 02L 6.5-8.5 NE NE NE NE NE NE NE NE NE NE NE NE 1 * NE 10 NE 700 NE 4 * NE NE 700 NE 2 NE NE 250 NE 10 NE i * NE 1 NE 300 NE 15 Sample ID Sample Collection Date Field Parameters _ _ _ _ _ _ Greater Than NCAC 2L - - - - - "- --- 0 0 0 O 0 O 0 0 0 0 0 0 0 7 O Analytical Results 0 0 0 0 1 0 12 0 O 0 21 O 0 Detections/Samples --- --- --- --- --- --- --- --- --- 7/14 10/12 14/14 0/12 0/14 ABMW-05BR 04/13/2015 6.4 23.88 15 221 0.86 90 295.1 1.57 4 73 20 47 <1 <1 <1 <1 18 20 <1 <1 73 <50 <50 <1 <1 15.4 <10 7.9 <1 <1 1.41 1.45 <0.001 <0.001 15900 17300 <1 <1 ABMW-05BRI�1 05/27/2015 7.2 24.25 18 301 0.29 -245 -40 57.4 2 91 9 62 <1 <1 <1 <1 29 31 <1 <1 91 <50 <50 <1 <1 21.9 <10 8.7 <1 10.5 3.54 4.21 <0.001 <0.001 7740 11400 <1 <1 --- AMW-01B 05/19/2015 7.1 41.41 18 430 0.41 -230 -25 8.96 3 51 35 95 <1 <1 <1 <1 <5 <5 <1 11 51 421 422 <1 <1 53.5 <10 9.3 <1 <1 <1 <1 '0.001 <0.001 5910 6660 <1 <1 0 AMW-03B 05/12/2015 7.7 8.27 16 83 0.84 -69 136 6.86 <0.5 33 <5 113 <1 <1 <1 <1 5 7 <1 <1 33 <50 <50 <1 <1 6.14 <10 <2.5 <1 <1 <1 <1 <0.001 <0.001 12 47 <1 <1 CB -04B 04/08/2015 7.1 24.35 18 257 0.74 -7 198.4 2.42 NM 31.1 NA 30 NA <1 NA 1.62 NA 20 NA <1 31.1 NA <50 NA '1 17.8 <5 6.2 NA <5 NA '1 NA <0.005 NA 625 NA <1 CB -04B 07/07/2015 6.9 24.8 19 263 4.04 174 379 3.1 NM 33.5 <5 39 <1 <1 <1 <1 19 21 <1 <1 33.5 <50 <50 <1 <1 19.7 <5 6.2 <1 <5 <1 <1 <0.001 <0.005 20 315 <1 <1 CB -08 04/07/2015 5.1 50.29 16 1021 1.49 122 326.7 2.16 NM 8.5 NA 190 NA <1 NA <1 NA 201 NA <1 8.5 NA 2350 NA <1 119 <5 220 NA <5 NA 2.54 NA <0.005 NA 63 NA <1 CB -08 DUP 04/07/2015 5.1 50.29 1 16 1021 1.49 1 122 326.7 2.16 1 NM 7.9 NA 199 NA <1 NA <1 NA 207 NA <1 7.9 NA 2330 NA I <1 117 <5 220 1 NA <5 NA 2.76 NA '0.005 NA 1 76 NA <1 CB -08 07/06/2015 5.1 49.45 16 964 1.94 297 502 2.35 NM 13.8 134 175 <1 <1 <1 <1 169 180 <1 <1 13.8 2350 2310 <1 <1 107 <5 220 <1 1 <5 2.89 2.68 0.0145 0.022 14 46 <1 <I CB -08 DUP 07/06/2015 5.1 49.45 16 964 1.94 297 502 2.35 NM 13.5 NA 167 NA <1 NA <1 NA 177 NA <1 13.5 NA 2320 NA <1 105 <5 220 NA <5 NA 2.71 NA 0.026 NA 39 NA - <1 CB-08BR 05/11/2015 6.7 48.76 16 458 4.51 44 248.5 5.39 <0.5 98 <5 93 <1 <1 <1 <1 34 40 <1 <1 98 291 343 <1 <1 65.5 <10 47 <1 3.83 <1 <1 <0.001 <0.001 172 311 <1 <1 CB-08BR 05/22/2015 6.8 48.55 15 352 1.89 -55 150 9.14 <0.5 92 <5 110 <1 <1 <1 <1 22 25 <1 '1 92 175 171 <1 <1 46.9 <10 26 <1 <1 <1 <1 '0.001 <0.001 345 601 <1 <1 GW-01BR 05/14/2015 7.0 23.71 19 162 2.42 57 261.6 4.72 1.5 57 7 80 <1 <1 <1 <1 12 12 <1 '1 57 <50 <50 <1 <1 17.4 <10 1.3 <1 <1 <1 <1 <0.001 <0.001 1520 1780 <1 <1 GW-01BR1�1 05/27/2015 7.8 22.67 20 171 2.13 -211 -6 11.3 <0.5 65 10 69 <1 <1 <1 <1 it 11 <1 <1 65 <50 <50 <1 <1 18.5 <10 1.5 <1 <1 <1 <1 <0.001 <0.001 445 946 <3 <1 GW -02 05/14/2015 5.5 42.95 18 900 2.99 77 281.6 6.81 <0.5 21 124 274 <1 <1 1.44 1.02 250 273 <1 <1 21 1030 1050 <1 <1 112 <10 230 <1 <1 12.7 11.9 <0.001 <0.001 14 115 <1 <1 MW-01BR 05/11/2015 6.8 23.36 1 18 1 129 2.53 44 249.2 9.81 <0.5 50 8 136 <1 <1 <1 I <1 16 18 <1 <1 50 <50 I <50 <1 <1 12.6 <10 1.6 1 <1 <1 I <1 <1 <0.001 <0.001 926 1370 <1 <1 MW-01BR 05/21/2015 7.0 23.31 19 135 1.55 53 258 3.9 '0.5 54 <5 121 <1 <1 <1 <1 16 15 <1 <3 54 <50 <50 <1 <1 14.1 <10 1.2 <1 <1 <1 <1 <0.001 <0.001 218 713 <3 <1 c MW-02BR 04/13/2015 9.0 31.01 15 270 0.2 104 308.5 2.44 <0.5 60 20 86 <1 <1 <1 <1 <5 <5 <1 <1 53 71 67 <1 <1 34.8 <10 5.7 <1 2.1 <1 <1 <0.001 <0.001 <10 95 <3 <1 m MW-02BR 05/21/2015 8.8 31.34 15 274 0.19 67 272 2 <0.5 59 20 50 <1 <1 <1 <1 <5 <5 <1 <1 58 63 64 <1 <1 35.1 <10 5.4 <1 <1 <1 <1 <0.001 <0.001 12 61 <3 <1 MW -05 BR 05/04/2015 8.1 17.89 21 376 0.12 36 241.1 14.5 4 29 14 111 <1 <1 <1 <1 17 19 <1 <1 29 411 418 <1 <1 39.9 <10 6.6 '1 <1 <1 <1 <0.001 <0.001 11400 18800 <1 <1 MW-05BR 05/28/2015 6.9 19.23 16 422 0.29 26 230.8 4.6 1.5 33 45 71 <1 <1 <1 <1 19 23 <1 <1 33 464 454 <1 <1 36.1 <10 8.4 <1 <1 <1 <1 <0.001 <0.001 28900 27900 <I <1 MW -09 BR 05/04/2015 7.2 31.98 19 1022 4.39 -22 183 14.9 <0.5 77 7 44 <1 <1 <1 <1 121 129 <1 '1 77 489 490 <1 <1 121 <10 190 <1 <1 <1 '1 <0.001 <0.001 289 1570 <1 <1 MW-09BR 05/21/2015 6.7 31.9 20 1039 3.01 -107 98 15.5 1.5 73 6 12 <1 <1 <1 <1 96 100 <1 <1 73 554 530 <1 <1 129 <10 200 <1 <1 <1 <1 <0.001 <0.001 1 1390 1 2540 <1 <1 MW-13BR 03/03/2015 6.4 28 1 11 1 104 4.55 8 213 8.04 <0.5 32 12 173 <1 I <1 <1 <1 26 27 <1 <1 32 <50 I <50 <1 <1 10.3 <10 1 4.6 <1 <1 1.68 1 1.7 <0.001 <0.001 144 335 <1 <1 MW-13BR DUP 03/03/2015 6.4 28 11 104 4.55 8 213 8.04 <0.5 30 11 162 <1 <1 <1 <1 25 26 <1 <1 30 <50 <50 <1 <1 10.5 <10 4.6 <1 <1 1.73 1.74 <0.001 <0.001 142 319 <1 <1 MW-13BR 05/20/2015 5.4 30.03 18 52 2.53 53 258 3.16 '0.5 <10 35 50 <1 <1 <1 <1 29 30 <1 <1 <10 <50 <50 <1 <1 2.51 <10 4.4 <1 <1 <1 <1 <0.001 <0.001 43 76 <1 <1 MW-14BR 02/13/2015 7.0 16.44 8 524 4.71 9 214.4 2.6 <0.5 98 <5 70 <1 <1 <1 <1 93 93 <1 <1 97 422 421 <1 <1 73.3 <10 6.9 <1 <1 <1 <1 <0.001 <0.001 <10 76 <3 <1 MW-14BR 05/20/2015 6.8 13.74 16 595 1.83 65 270 3.05 <0.5 97 <5 24 <1 <1 <1 <1 74 78 <1 <1 97 377 386 <1 <1 83.5 <10 6.3 <1 <1 <1 <1 <0.001 <0.001 <10 31 <1 <1 MW -16 BR 03/11/2015 6.3 9.67 13 529 0.43 -63 142 9.7 3 21 35 263 <1 <1 <1 <1 32 329 <1 <1 21 <50 109 <1 <1 28 <10 120 <1 <1 3.76 3.49 <0.001 <0.001 5530 60100 <1 <1 MW-16BR 05/28/2015 5.9 10.1 15 515 0.12 -165 40 4.14 2.5 26 83 128 <1 <1 <1 I <1 283 288 <1 <1 26 116 117 <1 <1 22.8 <10 120 <1 <1 1.47 1.61 <0.001 I <0.001 56600 56900 <1 <1 MW -18 BR 05/04/2015 5.9 7.92 16 923 1 1.4 123 328.1 5.39 <0.5 47 9 66 <1 <1 <1 <1 49 48 <1 '1 47 1 878 892 <1 <1 123 1 <10 97 1 <1 <1 <1 <1 <0.001 <0.001 27 92 <i <1 MW-18BR 05/28/2015 5.7 8.45 17 900 0.81 2 206.6 1.95 <0.5 42 12 30 <1 <1 <1 <1 43 43 <1 <1 42 861 851 <1 <1 125 <10 96 <1 <1 1.05 1.02 '0.001 '0.001 122 125 <1 <1 22BR 06/30/2015 6.4 14.56 17 291 0.78 -130 74.6 5.69 NM 42 36 198 <1 <1 <1 <1 22 22 <1 <1 42 <50 <11 <1 <1 13.6 <10 38 <1 <1 <1 <1 0.187 '0.001 14300 16000 <1 <1 170 rf 05/15/2015 5.8 56.41 16 481 0.77 39 243.8 9.74 <0.I 62 <5 73 <1 <1 <1 <1 58 60 <1 <1 62 870 889 <1 <1 63.7 <10 9.4 1.29 8.66 <1 <1 '0.001 '0.001 192 450 <1 <1 P'_ 05/15/2015 5.4 27.44 17 71 5.89 173 378 378 1.38 <0.5 <10 43 61 <1 <1 <1 cl 69 72 <1 <1 <SO 53 <50 <1 <1 4.73 <10 1.9 <1 <1 <1 <1 0.00185 0.00188 <10 17 <1 <1 Detections/Samples --- I --- I --- I --- I --- I --- I --- I --- I --- 1 33/35 23/31 1 35/35 1 0/31 1 0/35 1 1/31 1 2/35 1 28/31 1 32/35 0/31 1 0/35 1 33/35 18/31 21/35 0/31 1 0/35 1 35/35 0/35 1 34/35 1 1/31. 1 4/35 9/33 1 12/35 1 3/31. 1 3/35 1 27/31 35/35 0/31 0/35 AverageBedrock Concentrations Yes No No ft = feet No ug/I = microgram per liter Yes Yes Yes Yes --- --- --- --- --- --- --- --- (Detections Only) --- 49 32 105 --- --- 1.44 1.32 59 83 --- --- 49 550 809 --- --- 52.18 --- 63.3 1.29 6.27 3.36 3.2 0.06778 0.01663 5642 6511 Maximum Concentration --- ___ ___ ___ ___ ___ ___ ___ ___ 98 134 274 --- --- 1.44 1.62 283 329 --- --- 98 2350 2350 --- --- 129 --- 230 1.29 10.5 12.7 11.9 0.187 0.026 56600 60100 --- --- Number of Bedrock Samples that are No No No Yes No yes No No No Yes No No _ _ _ _ _ _ Greater Than NCAC 2L - - - - - "- --- 0 0 0 O 0 O 0 0 0 0 0 0 0 7 O 0 0 0 0 0 1 0 12 0 O 0 21 O 0 Detections/Samples --- --- --- --- --- --- --- --- --- 7/14 10/12 14/14 0/12 0/14 0/12 0/14 12/12 14/14 0/12 0/14 7/14 0/12 0/14 0/12 0/14 14/14 1/14 14/14 1/12 4/14 5/12 9/14 6/12 4/14 8/12 13/14 0/12 0/14 Average Background Concentrations ___ ___ ___ ___ ___ ___ ___ ___ (Detections Only) 94 680 769 --- --- --- --- 32 35 --- --- 35 --- --- --- --- 18.23 350 5.7 3.39 4.86 2.44 2.00 0.00247 0.00489 190 341 Maximum Concentration --- --- --- --- --- --- --- --- --- 440 6540 7200 --- --- --- --- 57 57 --- --- 76 --- --- --- --- 188 350 13 3.39 8.25 4.69 4.29 0.00790 0.0122 449 653 --- --- Number of Backgroundwater Samples --- --- --- --- --- --- --- --- that are Greater Than NCAC 2L --- 0 O 0 0 0 O 0 O O O 0 0 0 O O 0 0 0 O 0 O 0 9 0 0 0 8 O 0 =t. oal Ash COPC Groundwater Criteria Conc. > Groundwater Criteria COPC Potentially attributable to coal ash No Yes No Yes No Yes No No No No No No Yes No No No No No No Yes No Yes No No No Yes No No ft = feet No ug/I = microgram per liter Yes Yes Yes Yes yes Yes Yes° No No Yes Yes yes Yes No Yes No No No No No No No No�No No Yes No No No No No No Yes No yes No No No Yes No No Notes: Bold color highlighted concentrations indicate highest exceedance of the EPA Mid -Atlantic Risk Assessment regional screening levels for Soil, June 2015, for the Category listed below: -Bold highlighted concentration indicates exceedance of the 15A NCAC 02L Standard, Appendix 2, April 1, 2013. - Detection limit Less Than the 15 NCAC 02L Standard Screening Level Yes - Indicates support/rationale for soil COPC attributable to coal ash. - Indicates constituent is not a soil COPC attributable to coal ash. ORP = Oxidation Reduction Potential my = millivolts DO = Dissolved Oxygen --- = Not applicable DIS = Dissolved NE = Not established Deg C = Degree Celsius umhos/cm = micro mhos per centimeter TOT = Total NTU = nephelometric turbidity unit mg/1 = milligrams per liter Spec Cord = Specific Conductance Temp = Temperature S.U. = Standard Unit mg-N/L = miligram nitrogen per liter ft = feet mg/kg = milligram per kilogram --- = Not applicable ug/I = microgram per liter Note 1: Chromium includes trivalent (Cr+3) and hexavalent (Cr+6) Chromium Note 2: Hexavalent Chromium concentration for GW-01BR is greater than EPA screening value for tapwater (0.035 ug/L). Hexavalent Chromium concentration for ABMW-05BR is less than EPA Screening value for tapwater (0.035 ug/L). See Table 10-3 (USEPA Regional Screening Levels [RSLs] rev., June 26, 2015) Note 3: Consitituent is retained as a COPC if analytical method detection limit or concentration is greater than the groundwater criteria Note 4: Constituent is retained as a COPC if no groundwater criteria < = concentration not detected at or above the reporting limit. j = indicates concentration reported below Practical Quantitation Limit (PQL), but above Method Detection Limit (MDL) and therefore concentration is estimated. * - Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April, 1, 2013. NA = Not analyzed for April 2015 NPDES Compliance Sampling Event. Prepared by: TV/KN S Checked by: IT P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 12-7 Asheville Bedrock Groundwater - HH Risk Assessment Formatted LAM Page I of 2 TABLE 12-7 RISK SCREENING TABLE: BEDROCK GROUNDWATER DATA ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Analytical Parameter Magnesium TOT Manganese DIS TOT Mercury DIS TOT Methane Molybdenum DIS TOT Nickel DIS TOT Nitrate Potassium Selenium Sodium Strontium No No No Thallium Total Dissolved Solids Total Organic Carbon Total Vanadium No Zinc I TOT DIS TOT TOT DIS TOT Sulfate Sulfide DIS TOT Suspended Solids DIS I TOT DIS I TOT ug/1 = microgram per liter Reporting Units mg/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I mg-N/L mg/I ug/I ug/I mg/I mg/I mg/I mg/I mg/I ug/I ug/I mg/I mg/I mg/I ug/I ug/I mg/I mg/I 15 NCAC 02L NE NE 50 NE 1 NE NE NE NE 100 SO NE NE 20 NE NE NE 250 NE NE 0.2- 500 NE NE No No No No Yes Sample ID Sample Collection Date No No No No No No No Yes No No Yes Yes No Analytical Results No Yes No No ABMW-05BR 04/13/2015 6.87 121 128 <0.05 <0.05 52 <1 <1 <1 <1 <0.01 3.06 <1 <1 7.12 0.11 0.115 17 <2 <0.2 <0.2 160 0.528 17 <0.3 <0.3 0.008 0.006 ABMW-05BR 05/27/2015 6.01 149 157 <0.05 <0.05 68 5.61 4.21 <S <1 0.028 7.93 <S <S 18.3 0.192 0.21 19 <0.5 <0.2 <0.2 180 1.5 27 <0.3 <0.3 0.008 0.017 AMW-01B 05/19/2015 2.74 373 362 <0.05 <0.05 NA 2.45 2.55 <1 <1 0.015 2.57 <1 <1 22.1 0.083 0.085 120 <0.1 <0.2 <0.2 280 0.558 6 <0.3 <0.3 0.014 0.006 AMW-03B 05/12/2015 1.86 5 <5 <0.05 <0.05 <10 <1 <1 1.75 1.77 0.075 2.06 <1 <1 6.07 0.059 0.06 3.3 <0.1 <0.2 <0.2 72 1.4 8 <0.3 0.344 0.097 <0.005 CB -04B 04/08/2015 4.29 NA 43 NA <0.05 NA NA 5.39 NA <5 NA 5.38 NA <1 16.4 NA NA 62 NA NA <0.2 180 NA <5 NA NA NA <0.005 CB -04B 07/07/2015 4.63 34 41 <0.05 <0.05 <10 7.78 6.65 2.06 <5 0.03 6 <1 <1 19 0.141 0.144 70 <0.1 <0.2 <0.2 170 0.428 <5 0.421 0.699 0.113 0.006 CB -08 04/07/2015 38.5 NA 1120 NA 0.11 NA NA <1 NA <5 NA 2.74 NA 18.6 8.58 NA NA 120 NA NA <0.2 710 NA <5 NA NA NA 0.031 CB -08 DUP 04/07/2015 38.1 NA 1110 NA 0.12 NA NA <1 NA <5 NA 2.71 NA 20.1 8.5 NA NA 120 NA NA <0.2 730 NA <5 NA NA NA 0.031 CB -08 07/06/2015 37.8 1090 1080 <0.05 0.13 <10 <1 <1 2.67 <5 1.7 2.63 19.2 19.5 8.06 0.659 0.655 140 <0.1 <0.2 <0.2 840 0.362 <5 <0.3 <0.3 0.126 0.112 CB -08 DUP 07/06/2015 36.7 NA 1080 NA 0.12 NA NA <1 NA <5 1.8 2.64 NA 18.9 8.09 NA NA 140 NA NA <0.2 860 NA <5 NA <0.3 NA 0.105 CB-08BR 05/11/2015 7.01 591 633 <0.05 <0.05 <10 1.26 1.29 1.83 4.36 0.362 5.11 3.13 3.93 8.79 0.228 0.251 34 <0.1 <0.2 <0.2 290 0.284 <5 <0.3 0.678 0.032 0.03 CB-08BR 05/22/2015 5.27 465 473 <0.05 <0.05 <10 1.3 1.3 <1 <1 0.096 4.07 1.18 1.4 7.74 0.172 0.178 31 <0.1 <0.2 <0.2 210 0.226 5 <0.3 0.437 0.027 0.015 GW-01BR 05/14/2015 3.46 89 93 <0.05 <0.05 <10 <1 <1 <1 <1 <0.01 2.36 <1 <1 6.02 0.082 0.084 8.5 <0.1 <0.2 <0.2 110 0.221 <5 <0.3 0.575 <0.005 <0.005 GW-01BR 05/27/2015 3.52 63 66 <0.05 <0.05 NA 1.34 1.28 <1 <1 0.019 3.33 <1 <1 6.25 0.091 0.088 8.3 <0.1 <0.2 <0.2 110 0.401 <5 0.969 1.08 0.013 0.009 GW -02 05/14/2015 34.6 1850 1780 <0.05 0.05 <10 <1 <1 7.28 7.55 0.63 3.94 <1 1.01 6.92 0.546 0.556 85 <0.1 <0.2 <0.2 720 0.357 <5 <0.3 <0.3 0.261 0.043 MW-01BR 05/11/2015 2.76 67 64 <0.05 <0.05 <10 <S <S <S <1 <0.01 3.57 <S <S 9.19 0.076 0.078 7.8 <0.1 <0.2 <0.2 110 0.228 7 <0.3 <0.3 0.005 <0.005 MW-01BR 05/21/2015 3.1 74 77 <0.05 <0.05 <10 <1 <1 <1 <1 <0.01 4.05 <1 <1 6.83 0.078 0.075 8.2 <0.2 <0.2 <0.2 110 0.22 <5 <0.3 0.322 <0.005 <0.005 a MW-02BR 04/13/2015 0.769 27 25 <0.05 <0.05 150 8.76 9.39 <1 1.36 <0.01 3.43 <1 <1 16.5 0.083 0.079 59 <0.5 <0.2 <0.2 200 0.737 <5 <0.3 0.372 0.022 0.023 m MW-02BR 05/21/2015 0.689 27 25 <0.05 <0.05 100 9.7 9.45 <1 <1 <0.01 3.41 <1 <1 16.8 0.079 0.075 56 <0.1 <0.2 <0.2 180 0.878 <5 <0.3 0.373 0.008 <0.005 MW -05 BR 05/04/2015 5.02 148 172 <0.05 <0.05 <10 <1 <1 <1 <1 <0.01 3.76 <1 <1 15.5 0.31 0.318 120 <0.1 <0.2 <0.2 250 0.399 40 <0.3 0.368 <0.005 <0.005 MW-OSBR 05/28/2015 6.13 254 244 <0.05 <0.05 32 1.05 1.21 <1 <1 0.027 3.72 <1 <1 18.1 0.329 0.328 140 <0.1 <0.2 0.287 260 0.239 29 <0.3 <0.3 <0.005 0.005 MW -09 BR 05/04/2015 17.1 230 247 <0.05 <0.05 <10 4.22 4.17 <1 <1 <0.01 16.8 <1 <1 24.7 0.676 0.697 86 <0.5 <0.2 <0.2 760 1.1 <5 <0.3 0.379 0.099 0.101 MW-09BR 05/21/2015 19.5 243 317 <0.05 <0.05 <10 3.47 2.48 <1 <1 <0.01 17.8 <1 <1 24.6 0.788 0.746 87 <0.1 <0.2 <0.2 860 0.827 <5 <0.3 <0.3 0.051 0.028 MW-13BR 03/03/2015 2.24 250 268 <0.05 <0.05 <10 <1 <1 1.05 1.31 0.244 1.48 <1 <1 2.64 0.028 0.031 2.1 <0.5 0.211 <0.2 67 0.43 7 0.459 0.879 0.009 0.009 MW-13BR DUP 03/03/2015 2.25 249 269 <0.05 <0.05 12 <1 <1 1.09 1.05 0.248 1.48 <1 <1 2.68 1 0.029 0.03 2 <0.1 <0.2 <0.2 58 0.411 <5 0,449 0.82 0.01 0.009 MW-13BR 05/20/2015 1.92 100 105 <0.05 <0.05 <10 <1 <1 <1 <1 0.343 1.07 <1 <1 2.23 0.018 0.018 1.6 <0.1 <0.2 <0.2 34 0.169 <5 <0.3 <0.3 0.014 0.033 MW-14BR 02/13/2015 14.8 220 216 <0.05 <0.05 <10 5.69 5.88 <1 <1 0.822 6.33 18.2 16.5 13.6 0.295 0.295 160 <0.1 <0.2 <0.2 350 0.94 <5 <0.3 0.528 <0.005 <0.005 MW-14BR 05/20/2015 14.7 17 31 <0.05 <0.05 <10 3.83 3.74 <1 <1 0.903 7.03 13.1 13.8 9.86 0.297 0.307 170 <0.1 <0.2 <0.2 390 0.815 <5 <0.3 <0.3 <0.005 <0.005 MW -16 BR 03/11/2015 4.69 84 852 <0.05 <0.05 17 2.55 2.9 <1 <1 <0.01 5.27 <1 <1 21.8 0.028 0.29 31 <0.5 <0.2 <0.2 290 9 15 <0.3 <0.3 0.005 0.014 MW-16BR 05/28/2015 4.67 723 715 <0.05 <0.05 17 <1 <1 <1 <1 0.024 3.48 <1 <1 19.5 0.268 0.266 36 0.299 <0.2 <0.2 310 0.7 10 <0.3 <0.3 0.011 0.01 MW -18 BR 05/04/2015 1 24.4 224 227 <0.05 <0.05 I <10 I <1 <1 4.33 4.16 0.261 1 9.1 1.45 1.4 15.5 0.434 1 0.443 1 260 1 <0.1 1 <0.2 1 <0.2 660 0.373 <5 1 <0.3 0.554 0.018 0.008 MW-18BR 05/28/2015 27.8 1 324 313 <0.05 <0.05 <10 <1 <1 4.86 4.67 0.124 9.14 <1 <1 15.2 0.418 0.415 290 <0.1 <0.2 <0.2 660 0.323 <5 <0.3 <0.3 0.006 0.008 MW-22BR 06/30/2015 4.08 309 324 <0.05 <0.05 <10 2.59 2.8 <1 <1 <0.01 10.4 <1 <1 116 0.113 0.121 25 <0.5 <0.2 <0.2 170 0.727 13 <0.3 <0.3 0.102 0.011 PZ -170 05/15/2015 9.67 36 48 <0.05 <0.05 <10 <1 <1 6.95 11.2 0.298 8.03 23.6 22.2 11.1 0.307 0.315 140 <0.1 <0.2 <0.2 320 0.314 7 <0.3 <0.3 0.051 0.047 PZ -17S 05/15/2015 0.993 24 24 <0.05 <0.05 <10 <1 <1 1.45 1.61 0.443 2.83 10.4 11 2.74 0.119 0.122 19 <0.1 <0.2 <0.2 44 0.269 <5 <0.3 <0.3 0.019 0.006 Detections/Samples 35/35 31/31 34/35 0/31 5/35 8/29 15/31 16/35 11/31 10/35 21/32 35/35 8/31 12/35 35/35 31/31 31/31 35/35 1/31 1/31 1/35 34/34 31/31 1 13/35 4/31 15/32 25/31 26/35 Average Bedrock Concentrations (Detections Only) 11.4 273 374 --- 0.11 56 4.11 4.04 3.21 3.90 0.404 5.1 11.3 12.4 12.1 0.230 0.241 77 0.299 0.211 0.287 334 0.818 15 0.575 0.561 0.0452 0.0278 Maximum Concentration 38.5 1850 1780 0.13 150 9.7 9.45 7.28 11.2 1.8 17.8 23.6 22.2 24.7 0.788 0.746 290 0.299 0.211 0.287 860 9 40 0.969 1.08 0.261 0.112 Number of Bedrock Samples that are Greater Than NCAC 2L 0 0 27 0 0 0 0 0 0 0 0 O 0 2 0 0 0 2 0 0 1 9 0 0 0 15 0 0 Detections/Samples 14/14 11/12 13/14 0/12 0/14 1/12 6/12 4/14 6/12 8/14 11/12 14/14 1/12 1/14 14/14 11/12 11/12 14/14 0/12 0/12 0/14 13/14 12/12 6/14 2/12 6/12 12/12 12/14 Average Background Concentrations (Detections Only) 1.8 137 122 --- --- 230 2.27 2.8 1.7 2.7 0.3 2.10 1.44 1.56 4.6 0.14 0.15 1.1 --- --- --- 92 0.331 27 5.395 2.30 0.028 0.032 Maximum Concentration 3.6 365 340 --- --- 230 7.01 7.4 3.45 6.03 1.2 8.77 1.44 1.56 8.54 1.11 1.22 3.9 --- --- --- 500 0.71 110 8.78 8.98 0.082 0.085 Number of Backgroundwater Samples that are Greater Than NCAC 2L 0 0 6 O 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6 0 0 Coal Ash COPC Groundwater Criteria Conc. > Groundwater Criteria COPC Potentially attributable to coal ash No No yes No No No No Yes No No No No No No No No No Yes No No yes yes No No No Yes No No mg-N/L = miligram nitrogen per liter Yes ug/1 = microgram per liter No Yes Yes yes Yes Yes yes° Yes Yes yes Yes No No Yes No No No No Yes No No No No No No No No No Yes No No Yes Yes No No No Yes No No Notes: Bold color highlighted concentrations indicate highest exceedance of the EPA Mid -Atlantic Risk Assessment regional screening levels for soil, June 2015, for the category listed below: -Bold highlighted concentration indicates exceedance of the 15A NCAC 02L Standard, Appendix 2, April 1, 2013. - Detection limit Less Than the 15 NCAC 02L Standard Screening Level Yes - Indicates support/ rationale for soil COPC attributable to coal ash. - Indicates constituent is not a soil COPC attributable to coal ash. ORP = Oxidation Reduction Potential my = millivolts DO = Dissolved Oxygen umhos/cm = micro mhos per centimeter DIS = Dissolved NE = Not established Deg C = Degree Celsius Spec Cond = Specific Conductance TOT = Total NTU = nephelometric turbidity unit mg/I = milligrams per liter ft = feet Temp = Temperature S.U. = Standard Unit mg-N/L = miligram nitrogen per liter mg/kg = milligram per kilogram --- = Not applicable ug/1 = microgram per liter Prepared by: TV/KNS/RLP Checked by: IT Note 1: Chromium includes trivalent (Cr") and hexavalent (Cr+6) Chromium Note 2: Hexavalent Chromium concentration for GW-01BR is greater than EPA screening value for tapwater (0.035 ug/L). Hexavalent Chromium concentration for ABMW- OSBR is less than EPA Screening value for tapwater (0.035 ug/L). See Table 10-3 (USEPA Regional Screening Levels [RSLs] rev., ]one 26, 2015) Note 3: Consitituent is retained as a COPC if analytical method detection limit or concentration is greater than the groundwater criteria Note 4: Constituent is retained as a COPC if no groundwater criteria < = concentration not detected at or above the reporting limit. j = indicates concentration reported below Practical Quantitation Limit (PQL), but above Method Detection Limit (MDL) and therefore concentration is estimated. * - Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April, 1, 2013. NA = Not analyzed for April 2015 NPDES Compliance Sampling Event. P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 12-7 Asheville Bedrock Groundwater - HH Risk Assessment Formatted LAM Page 2 of 2 TABLE 12-8 SOILS (0-2') ANALYTICAL RESULTS WITH SCREENING CRITERIA - INDUSTRIAL AND RESIDENTIAL SOILS HUMAN HEALTH ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Analytical Parameter Percent Moisture PH at 25 Degrees C Aluminum Antimony Arsenic Barium Beryllium Boron Cadmium Calcium Chloride Chromium Cobalt Copper Iron Lead Magnesium Manganese Mercury Molybdenum Nickel Nitrate (as N) Potassium Selenium Sodium Strontium Sulfate Thallium Total Organic Carbon Vanadium Zinc Antimony Reporting Units / S.U. mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg Residential Soil Screening Level NE NE 7700 3.1 0.68 1500 16 1600 7.1 NE NE NE 2.3 310 5500 400 NE 180 0.94 39 150 780 NE 39 NE 4700 NE 0.078 NE 39 2300 Industrial Soil Screening Level NE NE 110000 47 3 22000 230 23000 98 NE NE NE 35 4700 82000 Soo NE 2600 4 580 2200 12000 NE 580 NE 70000 NE 1.2 NE 580 35000 Sample ID Sample I Collection Date 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Analytical Results 0 0 Detected Above Residentuial Soil Screening Levels 19 0 12 0 0 0 0 0 0 0 21 AB -10 SB ASH 03/25/2015 29.5 7.5 1740 <1.7 96.7 7.4 0.056] <1.7 0.38j 54.6 <177 1.5 13.5 6.5 12600 17.7 889 14.5 0.23 <0.35 1.9 <17.7 748 12.2 <34.8 0.51j <177 <1.7 64800 66 8.8 ABMW-04 SB (1.5-2) 03/20/2015 26.5 7.7 13000 <1.8 28.9 296 1.5 10.4j <0.21 1800 <168 23.9 6.5 19 16800 11.8 1290 121 0.17 0.91 7.9 <16.8 1740 3.3j 167 79.3 <168 <1.8 71100 52.1 24.8 CB -09 SB (1-2) 04/12/2015 28.8 5.2 16800 <1.8 2.3j 49.7 0.56 <9 <0.21 <89.5 <174 38.8 20.3 13.5 40300 27.5 326 599 0.06 <1.8 2 <17.4 290j <1.8 <179 2.1j <174 <1.8 3350 55.9 10.7 GW -01 SB(1-2) 04/25/2015 19.6 7.8 21400 <3.1 3.7j 157 1.2 31.4 0.51j 8500 <155 28.7 18.6 48.5 33000 48.7 7490 486 0.12 <1.6 15.5 <15.5 4750 <3.1 <157 18.1 <155 <3.1 28600 39.9 206 MW -01 SB (1-2) 04/02/2015 16 5 21600 <3.1 <3.1 36.4 2.6 <31.2 <0.37 <312 <148 19.9 228 192 108000 12.5 <312 4000 0.0095j <6.2 34.8 <14.8 <623 4.5j <623 <6.2 <148 <3.1 9390 15.8 109 MW -02 SB (1-2) 03/20/2015 18.8 7.6 9800 <1.6 60.5 371 2.6 9.2j 0.24j 3340 <154 20.2 9.7 33.6 11200 13.4 1260 147 0.19 0.54j 13.3 <15.4 2080 8.3 225 161 <154 <1.6 80700 49.6 30.5 MW -03 SB (1-2) 03/25/2015 14 4.5 16800 <1.5 2.9j 93.5 0.53 25.5 <0.18 102 <147 17.2 7.7 10 27000 13.1 762 135 0.024 <0.3 3.6 <14.7 687 1.9j <149 2.3 <147 <1.5 5550 28.8 24.1 MW -07 SB (1-2) 04/07/2015 31.7 5.3 18600 <3.7 <3.7 85.9 0.79 <9.4 <0.45 268 <184 25.5 10.7 11.8 18600 14.5 2210 162 0.023 0.82 9.4 <18.4 1740 <3.7 <37.5 2.3 <184 <3.7 8260 39.4 37.4 MW -08 SB (1.5-2) 02/27/2015 25.6 5.4 27800 <0.67 <6.7 38.7 0.76 <16.8 <0.081 186j <166 55.1 39.4 38.1 65200 23.6 383 931 0.057 <3.4 31 <16.6 <336 <6.7 <336 <3.4 <166 <0.67 2150 75 15 MW -09 SB (1-2) 03/31/2015 26.3 6.4 34200 <3.3 <3.3 75.2 0.82 <8.4 <0.4 102j <169 17.8 29.6 33 39200 12.9 3000 548 0.02 <1.7 10.2 <16.9 2740 <3.3 <167 2.4j <169 <3.3 442j 48.6 55.7 MW-11SB(1.5-2) 02/04/2015 10.9 7.2 18100 <0.52 1.4j 112 0.51 20.4j <0.15 975 <124 18.5 10.1 5.9 20900 7.3 5470 190 0.018 <2.6 13.6 <12.4 4470 1.6j <258 3.6j <124 <0.52 2030 26 62.4 MW -12 SB (1.5-2) 03/16/2015 22.7 7.3 26200 <1.6 3.6 205 1.9 <16 <0.19 1390 246j 22.2 24 11.3 32500 12.5 7290 664 0.0079j <3.2 19.7 <16 6990 5.1 <320 31.6 204j <1.6 4180 35.3 128 MW-13SB (1.5-2) 01/29/2015 13.5 6.9 12700 <0.5 <1.3 36.3 0.4 36.4 <0.15 664 <124 41.7 11 21.4 36200 1 12.7 622 215 0.041 <0.25 3.3 <12.4 372 <1.3 <251 1.8 1 <124 <0.5 4470 45 10.7 MW-14SB(1.5-2) 02/03/2015 25.7 6.4 21000 <0.5 2.2j 113 0.72 31.1 <0.15 167j <124 36.1 31.8 66.2 32200 12.1 4840 616 0.011 <2.5 16.4 <12.4 3790 2.9 <251 <2.5 <124 <0.5 1580 41.5 85.6 MW -15 SB (1.5-2) 02/06/2015 35.5 5.5 10200 <0.79 <0.79 59.9 0.98 <2 <0.095 218 <193 7.9 5.3 4 8710 6.1 1840 161 <0.0063 <0.4 4.5 <19.3 1050 <0.79 <39.6 2.3 <193 <0.79 8950 16.4 30 MW -15 SB (1.5-2) DUP 02/06/2015 19.6 5.1 8940 <0.64 <0.64 51 1 <1.6 <0.077 210 <152 6.8 5 3.3 7570 5.9 1570 137 0.011 <0.32 3.9 <15.2 924 <0.64 <32.1 2 <152 <0.64 8330 15.5 25.7 MW -1656 (1.5-2) 03/05/2015 31.2 5.7 6330 <0.73 <0.73 26.4 0.41 3.9 <0.087 94 <179 5.3 2.7 2.5 6590 3.4 1310 81.2 0.0089 j <0.36 3.4 <17.9 809 <0.73 <36.4 1.2 <179 <0.73 4170 11.3 19.2 MW -17 SB (1.5-2) 02/12/2015 27.1 6.1 11500 <0.68 3.9 58.6 0.91 <1.7 <0.081 1070 <174 9.5 5.4 6.7 11900 9.1 2100 160 0.026 1.4 5.6 <17.4 1470 1.7 <33.9 7.1 <174 <0.68 5160 23.6 34.1 MW -18 SB (1-1.5) 04/22/2015 19.4 5.9 9180 <3.2 <3.2 39.4 0.56 <8.1 <0.39 174 <154 8.3 3.6j 2.7 9190 3.31 2220 77.2 <0.0049 <1.6 4.7 <15.4 1350 <3.2 <162 2.6j <154 <3.2 1650 12.7 26 MW -22 (1-2) 06/23/2015 16.5 5.7 15100 <2.9 3 j 112 0.92 <7.4 <0.35 330 <148 17.7 9.7 9.4 17600 11.8 1740 716 0.035 <1.5 9.6 <14.8 1330 <2.9 <147 3.4 <148 <2.9 4360 25.6 33.3 MW -24S8 (1-2) 05/04/2015 26.3 6.4 21500 <3.5 4.6j 125 1.9 36.6 <0.42 1020 <167 48.6 40.2 33.8 35100 37.5 5430 728 0.03 <3.5 21.9 <16.7 3900 7 <174 6.8 <167 <3.5 6940 66.4 101 Coal Ash COPC Soil RSL Screening Level Exceed Soil Screening Level Soil COPC attributable to coal ash Yes Yes Yes No No Yes No No Na Yes Ves No Yes No No Yes No Yes No No No No No No Ves Yes No Total No Yes Soil Screening Level COPCs Aluminum Antimony Arsenic Barium Beryllium Boron Cadmium Calcium Chloride Chromium Cobalt Copper Iron Lead Magnesium Manganese Mercury Molybdenum Nickel Nitrate Potassium Selenium Sodium Strontium Sulfate Thallium Organic Vanadium Zinc Yes No Yes Yes Yes Yes No (as N) Yes' Yes' Yes Carbon Yes Yes Detected Above Industrial Soil Screening Levels 0 0 7 0 0 0 0 0 0 0 3 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 Detection Limit > Industrial Soil Screening Level 0 0 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 13 0 0 0 Detected Above Residentuial Soil Screening Levels 19 0 12 0 0 0 0 0 0 0 21 0 21 0 0 11 0 0 0 0 0 0 0 0 0 0 0 11 0 Detection Limit > Residential Soil Screening Level 1 0 1 4 8 0 0 0 0 0 0 1 0 0 1 0 0 1 0 0 1 0 1 0 0 0 1 0 0 0 0 0 21 1 0 0 0 Coal Ash COPC Soil RSL Screening Level Exceed Soil Screening Level Soil COPC attributable to coal ash Yes Yes Yes No No Yes No No Na Yes Ves No Yes No No Yes No Yes No No No No No No Ves Yes No Ves No Yes Yes Yes Yes No Ves Yes Yes Yes No Yes Ves Yes Yes' Yes No Yes Yes Yes Yes No Yes' Yes' Yes Yes Yes Yes No No No No No No Yes Ves No Yes No No Yes No No No No No No No No Ves Yes No Ves No Notes: Bold color highlighted concentrations indicate highest exceedance of the EPA Mid -Atlantic Risk Assessment regional screening levels for soil, June 2015, for the category listed below: 0 - Soil RSL - Industrial Health 0 - Soil RSL - Residential Health 0 - Detection Limit Less Than Industrial Sediment Screening Level 0 - Detection limit Less Than Residential Sediment Screening Level yes - Indicates support/rationale for soil COPC attributable to coal ash. Note 1: Consitituent is retained as a COPC if analytical method detection limit or concentration is greater than the soil RSL M- Indicates constituent is not a soil COPC attributable to coal ash. Note 2: Constituent is retained as a COPC if no soil RSL % = percent NE = Not established S.U. = Standard Units mg/kg = milligram per kilogram < = concentration not detected at or above the reporting limit. j = indicates concentration reported below PQL, but above MDL and therefore concentration is estimated. Prepared by: VTV Checked by: LAM P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Report! ng\tables\Table 12-8 Asheville Soils (0-2) Analytical Results_Industrial AND Residential Formatted LAM Page 1 of 1 TABLE 12-9 SEDIMENT ANALYTICAL RESULTS WITH SCREENING CRITERIA - INDUSTRIAL AND RESIDENTIAL SOILS - HUMAN HEALTH ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Coal Ash COPC Soil RSL Exceed Soil RSL Soil COPC attributable to coal ash Yes Analytical Parameter Percent Moisture pH at 25 Degrees C Aluminum Antimony Arsenic Barium Beryllium Boron Cadmium Calcium Chloride Chromium Cobalt Copper Iron Lead Magnesium Manganese Mercury Molybdenum Nickel Nitrate as N) Potassium Selenium Sodium Strontium Sulfate Thallium Total Organic Carbon Vanadium Zinc Nitrate Reporting Units Wo Std. Units mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg Residential Soil Screening Level NE NE 7700 3.1 0.68 1500 16 1600 7.1 NE NE NE 2.3 310 5500 400 NE 180 0.94 39 150 780 NE 39 NE 4700 NE 0.078 NE 39 2300 Industrial Soil Screening Level NE NE 110000 47 3 22000 230 23000 98 NE NE NE 35 4700 82000 800 NE 2500 4 580 2200 12000 NE 580 NE 70000 NE 1.2 NE 580 35000 Sample ID Sample Collection Date 0 0 0 0 0 0 0 0 0 0 0 0 21 0 0 Analytical Results A-01 04/02/2015 77.4 6.2 10900 <11.4 <11.4 97.9 1.9 <28.5 <1.4 1420 591j 12 <11.4 6.1 17900 <11.4 2410 238 0.16 <5.7 6.4 <55.5 1280 <11.4 <571 12.3 <555 <11.4 62300 17.6 j 46.5 B-01 04/01/2015 45.1 6.4 6430 <2.3 <2.3 47.9 0.8 28.7 <0.27 2840 526 11 9.7 7.9 13900 6.4 j 1710 398 0.21 <2.3 10 <22.7 707 2.81 <226 26 552 <2.3 9630 12.9 27.4 C-01 04/01/2015 79.3 6.4 17700 <11.9 108 152 1.81 126 1.8j 3930 675j 16.5 31.7 28.6 77500 17.2j 2790 1060 0.041 86.6 22.1 <61.5 1590j 32 <1190 56.4 721j <11.9 56400 42.3 113 C-02 04/06/2015 38.1 6.7 12800 12 463 2380 2.7j <99.6 9.5 1870j <205 <10 455 149 16600 16.1 1710j 34600 0.0074j 491 219 <20.5 2110] 27.3 <1990 194 357j 9.8 22300 306 320 D-01 04/01/2015 42.9 6.2 12100 <2.1 2.8 j 56.2 1.1 <10.6 <0.25 942 <216 10.3 4.4 5.7 11100 5.6 j 2370 225 0.015 3.7 j 6.6 <21.6 1040 2.2 j <212 6.7 282 j <2.1 10700 19 30.5 E-01 04/01/2015 70.5 6.8 15000 <4.1 <4.1 100 1.4 40.61 <0.49 1730 <422 11.8 9.3 18.2 39400 12.7j 2530 831 0.031 <4.1 7.9 <42.2 1740 5.4j <406 18.2 5211 <4.1 62700 21.4 70.8 F-01 04/01/2015 56.2 5.4 8710 <2.7 11.5 66.9 0.83 36 <0.33 1080 <284 12.3 12.5 10.5 36800 8.21 1890 735 0.038 <2.7 6.4 <28.4 1210 13 <274 11.2 508j <2.7 22000 14.7 42.1 F-02 04/01/2015 28.6 6.1 5870 <3.6 <3.6 28.7 0.39 <9 <0.43 772 <170 5.5 <3.6 3.1 6590 3.7 j 1350 55.5 0.0085j <1.8 3.1 <17 588 <3.6 <181 4.1 <170 <3.6 15200 9.5 16.7 FB -01 06/02/2015 30.2 6 4660 <3.5 <3.5 41.4 0.47 <8.9 <0.42 552 <179 4.4 <3.5 3.8 6190 4.5 j 1030 324 0.021 <1.8 3 <17.7 870 <3.5 <177 5.1 <179 <3.5 2220 7.9 27 FB -01 DUP 06/02/2015 29.8 5.9 2500 <3.6 <3.6 17.5 0.211 <8.7 <0.43 1211 <178 3.6 <3.6 2.2 3320 <3.6 539 110 0.014 <1.7 1.7 j <17.8 490 <3.6 <174 <1.7 <178 <3.6 1470 6.1 j 18.6 FB -02 06/02/2015 25.7 6.1 1720 <3.3 <3.3 13.6 <0.17 <8.6 <0.4 124i <168 2.6 <3.3 1.5 j 2500 <3.3 319 179 0.018 <1.7 1.2 j <16.7 327i <3.3 <172 <1.7 <168 <3.3 1080 5.1 j 11.7 K-01 04/06/2015 77.6 5.2 16200 <11.6 12.8 j 101 1.21 <29.1 <1.4 1660 <548 34.1 19.5 j 22.2 24900 21.5 j 2590 1070 0.043 <5.8 12.8 <54.8 1520 19.21 <581 23.5 673 j <11.6 54700 39.3 68.8 M-01 04/06/2015 21.2 6.4 13400 <3.2 <3.2 80.7 0.77 <8 <0.38 643 <159 29.6 40.5 13.7 27800 7.3 2980 1150 0.031 <1.6 12.9 <15.9 2140 9.7 <159 5.5 159j <3.2 3320 27.6 51.3 P-01 04/02/2015 77.4 6.8 31900 <11.2 <11.2 300 1 2.5 <27.9 <1.3 2640 <544 1 44.5 58.1 1 39 62000 21.91 5840 3320 0.082 <5.6 22.6 <54.4 4310 <11.2 <558 35.7 <544 <11.2 56300 57.1 197 P-01 DUP 04/02/2015 35.8 6.4 9900 <3.7 <3.7 96 0.8 <9.3 <0.45 870 <194 20.6 16.5 11.8 21000 6.6 j 1680 960 0.03 <1.9 7.7 <19.4 1270 <3.7 <187 12 <194 <3.7 15800 18.5 61.2 SW -01 04/02/2015 52.2 4.3 11900 <5 <5 113 0.8 <12.4 2.7 698 <264 27.2 10.5 13 23400 9.4 j 3480 375 0.033 <2.5 9.6 <26.4 2870 <5 <249 5.3 <264 <5 6370 21.8 83.4 SW -04 04/02/2015 83.3 6.1 17600 <14.3 <14.3 204 2.8 <35.7 <1.7 5250 962i 19.2 20.1 j 22.1 43800 19.1 j 3480 345 0.32 <7.1 10.8 <74 2140 28.7 <714 40.4 <740 <14.3 131000 35.5 93.9 SW -05 04/06/2015 29.8 6.8 8830 <3.6 29.8 177 1 <8.9 <0.43 1850 <176 8.7 12.7 11.5 12600 5.61 2360 325 0.059 1.9j 12 <17.6 3690 <3.6 <178 35.7 1821 <3.6 22800 29.4 50.3 SW -OS DUP 04/06/2015 19.5 7 3960 <3.1 5 j 40.2 0.32 <7.7 <0.37 1520 <152 2.3 <3.1 5.5 7200 <3.1 1570 174 <0.0047 <1.5 2.1 <15.2 2580 <3.1 <153 6.8 <152 <3.1 2320 10.8 24 SW -06 04/09/2015 29.5 6.5 2370<3.4 <3.4 21.9 0.14 3.4 <0.4 190 <174 6 <3.4 4.3 4690 <3.4 765 86.2 0.0099 j <0.34 2.4 <17.4 749 <3.4 <33.6 1.8 <174 <3.4 2070 8 25.2 SW -07 04/09/2015 31.4 5.6 5790 <3.6 <3.6 37.6 1 1.1 <9 <0.43 190 <180 22.6 7.4 13.8 23800 10.3 1830 99.9 <0.0056 2 6.5 <18 1600 <3.6 <35.9 1.5 <180 <3.6 4650 23.9 47.2 SW -07 DUP 04/09/2015 38.1 5.7 8290 <4.2 <4.2 70.1 0.94 <10.6 <0.51 326 <203 1 37.8 1 10.1 1 17.5 1 18300 11.7 3690 141 <0.0064 3.9 13.1 <20.3 3200 <4.2 <42.3 2.5 <203 <4.2 638L__L 29.4 69.6 Coal Ash COPC Soil RSL Exceed Soil RSL Soil COPC attributable to coal ash Yes Yes Yes No No Yes No No No Yes Yes No Yes No No Yes No Yes Total No No Sediment - Industrial Screening Level COPCs Aluminum Antimony Arsenic Barium Beryllium Boron Cadmium Calcium Chloride Chromium Cobalt Copper Iron Lead Magnesium Manganese Mercury Molybdenum Nickel Nitrate Potassium Selenium Sodium Strontium Sulfate Thallium Organic Vanadium Zinc Yes Yes as N) Yes Yes Yes Yes Carbon Detected Above Sediment Screening Levels 0 0 6 0 0 0 0 0 0 0 3 0 0 1 0 1 0 2 0 0 0 0 0 0 0 0 0 1 1 0 0 0 Detection Limit > Sediment Screening Level 0 0 141 0 0 0 01 0 01 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 1 0 0 0 21 0 0 0 Detected Above Sediment Screening Levels 14 1 7 1 0 0 1 0 0 0 15 0 19 0 0 35 0 2 1 0 0 0 0 0 0 1 0 4 0 Detection Limit > Sediment Screening Level 0 17 15 0 0 0 0 0 0 0 7 0 0 0 0 0 0 0 0 0 0 0 0 0 0 21 0 0 0 Coal Ash COPC Soil RSL Exceed Soil RSL Soil COPC attributable to coal ash Yes Yes Yes No No Yes No No No Yes Yes No Yes No No Yes No Yes No No No No No No Yes Yes No Yes No Yes Yes Yes Yes No Yes Yes Yes Yes No Yes Yes Yes Yes Yes I No I Yes2 Yes Yes I Yes Yes Yes2 I Yes Yes Yes Yes Yes No No I No No No No I Yes Yes I No Yes No No Yes No Yes No No No No No No Yes Yes No Yes No Notes Bold color highlighted concentrations indicate highest exceedance of the EPA Mid -Atlantic Risk Assessment regional screening levels for soil, June 2015, for the category listed below: ® - Soil RSL - Industrial Health 0 - Soil RSL - Residential Health - Detection Limit Greater Than Industrial Screeening Level - Detection Limit Greater Than Residential Sediment Screeening Level y� Indicates support/rationale for soil COPC attributable to coal ash. Note 1: Consitituent is retained as a COPC if analytical method detection limit or concentration is greater than the soil RSL _ - Indicates constituent is not a soil COPC attributable to coal ash. Note 2: Constituent is retained as a COPC if no soil RSL NE = Not established Dup = Duplicate % = Percent S.U. = Standard Units mg/kg = milligram per kilogram < = concentration not detected at or above the reporting limit. j = indicates concentration reported below Practical Quantitation Limit (PQL), but above Method Detection Limit (MDL) and therefore concentration is estimated Prepared by: TV JT Checked by: RLP P:\Duke Energy Progress. 1 026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 12-9 Asheville Sediment Analytical Results_ Industrial AND Residential Page 1 of 1 TABLE 12-10 SURFACE WATER ANALYTICAL RESULTS - EPA RECOMMENDED WATER QUALITY CRITERIA AND 15A NCAC 2B STANDARDS HUMAN HEALTH ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Analytical Parameter PH Spec Cond DO ORP Turbidity Alkalinity Aluminum Aluminum Antimony Antimony Arsenic Arsenic Barium Barium Beryllium Beryllium Bi -carbonate Alkalinity Boron Boron Cadmium Cadmium Calcium Carbonate Alkalinity Chloride Chromium Chromium Cobalt Cobalt Copper Copper DIS TOT DIS TOT DIS TOT DIS TOT DIS TOT DIS TOT DIS TOT TOT DIS TOT DIS TOT DIS TOT Reporting Units S.U. u/cm os mg/I mV NTUs mg/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I mg/I ug/I ug/I ug/I ug/I mg/1 mg/I mg/I ug/I ug/I ug/I ug/I mg/I mg/I 15A NCAC 02B NE NE NE NE 25 NE NE NE NE NE NE 10 NE NE NE NE NE NE NE NE NE NE NE 250 NE NE NE NE NE NE EPA Human Health NE NE NE NE NE NE NE 6.5 NE 5.6 NE 0.018 NE 1000 NE NE NE NE I NE NE NE NE NE NE NE NE NE 3 NE I NE Sample Sample ID Collection Date Field Parameters Analytical Results SW -01 04/02/2015 6.27 854 8.32 31.2 4.67 15 10 62 <1<1 <1 <1 13 14 <1 <1 15 <50 <50 <1 <1 7.03 <10 7.8 <1 <1 <1 <1 <0.001 <0.001 SW -04 04/02/2015 5.45 1440 7.26 40.7 33.9 <10 7 1840 <1 <1 <1 <1 147 180 <1 <1 <10 1240 1210 <1 <1 66.7 <10 150 <1 1.76 <1 2.48 <0.001 0.00171 SW -05 04/06/2015 8.07 1248 9.5 94.1 19.1 29 272 3180 6.47 50.6 81.1 225 280 <1 <1 29 1150 1180 <1 <1 64.1 <10 13 8.98 11.2 4.9 8.37 0.00157 0.00789 SW -05 DUP 04/06/2015 8.07 1248 9.5 94.1 19.1 28 279 1380 6.54 51.5 77.9 221 246 <1 <1 28 1160 1170 <1 <1 63.7 <10 13 8.89 10.1 4.53 5.89 0.00187 0.00533 SW -06 04/09/2015 6.74 926 10.21 21.4 37.7 14 143 1220 <1 <1 <1 <1 18 23 <1 <1 14 <50 <50 <1 <1 7.54 <10 9.8 <1 <1 <1 <1 0.00132 0.00134 SW -07 04/09/2015 6.92 729 6.63 9.9 3.43 <10 24 61 <1 <1 <1 <1 12 12 <1 <1 <10 <50 <50 <1 <1 2.34 <10 11 <1 <1 <1 <1 0.00163 0.00485 SW -07 DUP 04/09/2015 6.92 729 6.63 9.9 3.43 36 24 124 <1 <1 <1 <1 12 13 <1 <1 36 <50 <50 <1 <1 2.48 <10 11 <1 <1 <1 <1 0.00375 0.00156 Human Health Screening Criteria COPCs Aluminum (DIS) Aluminum (TOT) Antimony (DIS) Antimony (TOT) Arsenic (DIS) Arsenic (TOT) Barium (DIS) Barium (TOT) Beryllium (DIS) Beryllium (TOT) Bi -carbonate Alkalinity Boron (DIS) Boron (TOT) Cadmium (DIS) Cadmium (TOT) Calcium (TOT) Carbonate Alkalinity Chloride Chromium Chromium (DIS) (TOT) Cobalt (DIS) Cobalt (TOT) Copper (DIS) Copper (TOT) Detected Above EPA Surface Water Quality Criteria 0 7 0 2 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 Detection Limit > EPA Surface Water Quality Criteria 0 0 0 0 0 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Detected Above 15 NCAC 2B 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Detection Limit >15 NCAC 2B 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Coal Ash COPC Surface Water Standard Exceed Surface Water Standard Seep Water COPC No Yes No Yes No Yes No No No No No No Yes No No No No No Yes No Yes No No Yes Yes Yes No No Yes Yes Yes Yes Yes2 Yes Yes No Yes No Yes No Yes No No No No No No Yes No No No No No No Yes No YesNo No Notes: 0 - Bold highlighted concentration indicates exceedance of the EPA National Recommended Water Quality Criteria, Human Health, June 2015. 0 - Detection Limit Greater Than Surface Water Screeening Level 0 - Bold highlighted concentration indicates exceedance of the 15A NCAC 02B Standard, May 15, 2013. 0 - Detection Limit Greater Than Surface Water Screeening Level 0 - Indicates support/rationale for groundwater COPC attributable to coal ash. Note 1: If analytical method detection limit or concentration exceeds soil RSL - Indicates constituent is not a groundwater COPC attributable to coal ash. Note 2: If no soil RSL Deg C - Degree Celsius Spec Cond = Specific Conductance DUP = Duplicate S.U. = Standard Unit ug/I = microgram per liter < = concentration not detected at or above the reporting limit. mg/I = milligrams per liter Temp = Temperature j = indicates concentration reported below PQL but above MDL and therefore concentraion is estimated. my = millivolts umhos/cm = micro mhos per centimeter NE = Not established NTU = nephelometric turbidity unit Pr par d by: VTV Ch ck d by: RLP P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 12-10 Surface Water EPA AND 2B -HH Page 1 of 2 TABLE 12-10 SURFACE WATER ANALYTICAL RESULTS - EPA RECOMMENDED WATER QUALITY CRITERIA AND 15A NCAC 2B STANDARDS HUMAN HEALTH ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC EPA Human Health Screening Level Analytical Parameter Iron DIS Iron TOT Lead DIS Lead TOT Magnesium TOT Manganese DIS Manganese TOT Mercury TOT Methane Molybdenum Molybdenum Nickel Nickel Nitrate (as N) Potassium Selenium Selenium Sodium Strontium Strontium Sulfate Sulfide Thallium Thallium Total Dissolved Solids Total Organic Carbon Total Suspended Solids Vanadium Vanadium Zinc Zinc DIS TOT DIS TOT TOT DIS TOT TOT DIS TOT DIS TOT DIS TOT DIS TOT (TOT) Reporting Units ug/l ug/l ug/l ug/I mg/l ug/I ug/I ng/L ug/I ug/1 ug/I ug/I ug/I mg-N/L mg/I ug/l ug/I mg/I mg/l mg/l mg/I mg/I ug/l ug/I mg/I mg/I mg/l ug/l ug/I mg/I mg/1 15 NCAC 02B Standard NE NE NE NE NE NE NE NE NE NE NE NE 25 30 NE NE NE NE NE NE 250 NE NE NE 500 NE NE NE NE NE NE 0 EPA Human Health NE NE NE NE NE NE NE NE NE NE 160 NE NE NE NE NE NE NE NE 14 NE NE NE 0.24 250 NE NE NE NE NE NE Sample ID Sample Collection Date 0 0 0 0 0 Detected above Screening Levels 0 0 0 0 0 0 0 0 Constituent Concentrations 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 SW -01 04/02/2015 398 948 <1 <1 2.94 374 397 1.68 <10 <1 <1 <1 <1 0.025 1.25 <1 <1 7.25 0.039 0.04 19 <0.1 <0.2 <0.2 69 2.1 <5 <0.3 <0.3 0.086 <0.005 SW -04 04/02/2015 1130 20100 <1 1.96 22 391 500 7.67 34 <1 <1 <1 1.6 0.236 2.52 2.31 6.34 9.56 0.404 0.404 64 <0.1 <0.2 <0.2 620 2.8 63 <0.3 2.77 0.013 0.013 SW -05 04/06/2015 <10 1520 <1 2.5 4.14 130 716 1.12 <10 94 93.7 9.26 13 0.986 10.9 24.8 25.4 10.9 0.385 0.416 170 <0.1 0.572 0.574 320 1 71 29.2 37.1 0.065 0.037 SW -05 CUP 04/06/2015 <10 423 <1 <1 4.08 119 308 2.16 <10 92 94.3 8.31 10.7 0.995 10.8 25.7 26.9 10.8 0.389 0.402 170 <0.1 0.402 0.505 310 1.1 30 29.5 33.5 0.01 0.012 SW -06 04/09/2015 236 1540 <1 <1 2.09 59 68 4.12 <10 <1 <1 <1 <1 0.174 1.61 <1 <1 6.92 0.032 0.033 3.9 <0.1 <0.2 <0.2 73 2.9 11 <0.3 1.13 0.026 0.018 SW -07 04/09/2015 40 115 <1 <1 2.1 6 8 <0.5 <10 <1 <1 <1 <1 0.253 1.89 <1 <1 7.18 0.022 0.022 5.2 <0.1 <0.2 0.209 48 1.8 <5 <0.3 0.304 0.047 <0.005 SW -07 CUP 04/09/2015 46 1 330 1 <1 <1 2.14 7 11 <0.5 <10 <1 <1 <1 <1 0.251 1.92 <1 <1 7.73 0.022 1 0.021 1 5.2 <0.1 <0.2 1 <0.2 1 53 1.7 10 <0.3 0.452 0.012 0.018 EPA Human Health Screening Level Iron Iron Lead Lead Magnesium Manganese Manganese Mercury No Molybdenum Molybdenum Nickel Nickel Nitrate Potassium Selenium Selenium Sodium Strontium Strontium Thallium Thallium Total Total Total Vanadium Vanadium Zinc Zinc COPCs (DIS) (TOT) (DIS) (TOT) (TOT) (DIS) (TOT) (TOT) Methane (DIS) (TOT) (DIS) (TOT) (as N) (TOT) (DIS) (TOT) (TOT) (DIS) (TOT) Sulfate Sulfide (DIS) (TOT) Dissolved Organic Suspended (DIS) (TOT) (DIS) (TOT) Solids Carbon Solids Detected above Screening Level 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 0 0 0 0 0 0 Detection Limit > Screening Level 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Detected above Screening Levels 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 Detected limit > Screening Level 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Coal Ash COPC Surface Water Standard Exceed Surface Water St a ndard Seep Water COPC No YesUNONo No No Yes No No No Yes No No NNo No YesYeS2Yes'No YesNo No No I Yes No No No No No No No No No No No No No No No No Yes Yes No No No Yes No No Notes: 0 - Bold highlighted concentration indicates exceedance of the EPA National Recommended Water Quality Criteria, Human Health, June 2015. 0 - Detection Limit Greater Than Surface Water Screeening Level 0 - Bold highlighted concentration indicates exceedance of the 15A NCAC 02B Standard, May 15, 2013. 0 - Detection Limit Greater Than Surface Water Screeening Level 0 - Indicates support/rationale for groundwater COPC attributable to coal ash. Note 1: If analytical method detection limit or concentration exceeds soil RSL - Indicates constituent is not a groundwater COPC attributable to coal ash. Note 2: If no soil RSL Deg C - Degree Celsius Spec Cord = Specific Conductance DUP = Duplicate S.U. = Standard Unit ug/I = microgram per liter < = concentration not detected at or above the reporting limit. mg/I = milligrams per liter Temp = Temperature j = indicates concentration reported below PQL but above MDL and therefore concentration is estimated. my = millivolts umhos/cm = micro mhos per centimeter NE = Not established NTU = nephelometric turbidity unit Pr par d by: VTV Ch ck d by: RLP P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 12-10 Surface Water EPA AND 2B -HH Page 2 of 2 TABLE 12-11 SEEP ANALYTICAL RESULTS WITH SCREENING CRITERIA - EPA RECOMMENDED WATER QUALITY CRITERIA AND 15A NCAC 2B STANDARDS HUMAN HEALTH ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Analytical Parameter pH Temp Spec Cond DO ORP Turbidity Alkalinity Aluminum DIS Aluminum TOT Antimony DIS Antimony TOT Arsenic DIS Arsenic TOT Barium DIS Barium TOT Beryllium DIS Beryllium TOT Bi- carbonate Alkalinity Boron DIS Boron TOT Cadmium DIS Cadmium TOT Calcium TOT Carbonate Alkalinity Chloride Chromium DIS Chromium TOT Cobalt DIS Cobalt TOT Copper DIS Copper TOT Iron DIS Iron TOT Reporting Units S.U. Deg C u/cros mg/I mV NTUs mg/I ug/I ug/I ug/I ug/1 ug/I ug/I ug/I ug/1 ug/l ug/1 mg/I ug /I ug/I ug/I ug/I mg/I mg/I mg/I ug/I ug/I ug/I ug/I mg/I mg/I ug/I ug/I 15 NCAC 02B Standard NE NE NE NE NE 25 NE NE NE NE NE NE 10 NE NE NE NE NE NE NE NE NE NE NE 250 NE NE NE NE NE NE NE NE EPA Human Health NE NE NE NE NE NE NE NE 6.5 NE 5.6 NE 0.018 NE 1000 NE NE NE NE NE NE NE NE NE NE NE NE NE 3 NE NE NE NE Sample ID Sample Collection Date Field Parameters 0 Screening Levels 0 0 0 0 0 0 0 0 0 Analytical Results 0 0 0 1 0 0 0 0 0 0 0 0 Detection Limit >15 NCAC 2B Seep Water 0 0 0 0 A-01 04/02/2015 6.1 12 1362 9.42 53 12.5 <10 20 3210 <1 <1 <1 0 159 184 <1 1 <10 1510 1460 <1 <1 46.3 <10 100 <1 2.88 1.71 3.23 <0.001 0.00183 350 5670 B-01 04/01/2015 7.1 20 1619 9 38 20.4 36 <5 468 <1 <1 <1 115 119 <1 <1 36 4010 4200 <1 <1 296 <10 510 <1 <1 <1 <1 <0.001 <0.001 31 879 C-01 04/01/2015 7.1 16 1478 9.8 -44 6.66 76 11 735 <1 <1 <1 46 48 <1 <1 76 1750 1730 <1 <1 158 <10 120 <1 <1 16 16.9 <0.001 <0.001 292 1360 C-02 04/06/2015 6.5 15 1451 7.28 220 1.04 80 7 137 <1 <1 <1 2.02 40 44 <1 <1 80 1880 1860 <1 <1 164 <10 130 <1 <1 22.2 21.7 <0.001 <0.001 42 308 D-01 04/01/2015 6.4 15 1632 6.5 -21 3.67 54 17 74 <1 <1 <1 72 73 <1 <1 54 1450 1460 <1 <1 94.4 <10 93 <1 <1 1.51 1.72 <0.001 <0.001 896 1220 E-01 04/01/2015 6.8 20 1119 8.8 -13 4.42 25 <5 176 <1 <1 <1 64 65 <1 <1 25 682 676 <1 <1 39.5 <10 31 <1 <1 <1 1.01 <0.001 <0.001 398 1340 F-01 04/01/2015 6.0 14 1369 9.1 57 5.8 <10 22 200 <1 <1 <1 52 51 <1 <1 <10 871 862 <1 <1 36.4 <10 19 <1 <1 1.29 1.61 <0.001 <0.001 825 1890 F-02 04/01/2015 5.5 13 1343 6.7 141 5.03 13 27 49 <1 <1 <1 42 42 <1 <1 13 383 395 <1 <1 40.2 <10 14 <1 <1 <1 <1 <0.001 <0.001 549 688 FB -01 06/02/2015 6.8 19 40 8.18 92 34.6 11 136 16SO <1 <1 <1 12 21 <1 <1 11 <50 <SO <1 <1 2.67 <10 2.6 <1 <1 <1 <1 <0.001 0.00127 1 211 1 1580 FB -01 DUP 06/02/2015 6.8 19 40 8.18 92 34.6 <10 130 1180 <1 <1 <1]V342 <1 <1 <10 <SO <SO <1 <1 2.6 <10 2.5 <1 <1 <1 <1 <0.001 0.00102 201 1160 FB -02 06/02/2015 6.9 20 40 7.92 102 35.4 10 139 1690 <1 <1 <1 <1 <1 10 <50 <SO <1 <1 2.73 <10 2.6 <1 <1 <1 <1 <0.001 0.00515 211 1650 K-01 04/06/2015 6.3 13 1254 6.62 33 1.66 <10 16 117 <1 <1 <1 <1 <1 <10 991 967 <1 <1 30 <10 13 <1 <1 1.45 1.41 <0.001 <0.001 153 356 04/06/2015 6.4 13 1284 7.7 89 2.05 11 <5 26 <1 <1 <1 <1 <1 11 855 775 <1 <1 38 <10 13 <1 <1 <1 <1 <0.001 <0.001 16 145 %0TI P-01 04/02/2015 7.0 13 864 9.82 43 9.12 15 27 33S <1 <1 <1 <1 <1 15 52 51 <1 <1 7.05 <10 9.3 <1 <1 <1 <1 <0.001 <0.001 173 746 P-01 DUP 04/02/2015 7.0 13 864 9.82 43 9.12 15 26 348 <1 <1 <1 <1 <1 15 53 51 <1 11 6.79 <10 9.3 <1 <1 <1 <1 <0.001 <0.001 170 765 Aluminum Human Health Screening Criteria COPCs Aluminum Antimony Antimony Arsenic Arsenic Barium Barium Beryllium Beryllium Bi Boron carbonate Boron Cadmium Cadmium Calcium Carbonate Chloride Chromium Chromium Cobalt Cobalt Copper Copper Iron Iron (DIS) (TOT) (DIS) (TOT) (DIS) (TOT) (DIS) (TOT) (DIS) (TOT) (DIS) Alkalinity (TOT) (DIS) (TOT) (TOT) Alkalinity (DIS) (TOT) (DIS) (TOT) (DIS) (TOT) (DIS) (TOT) Detected Above EPA Seep Water Quality No Yes Yes Yes No Yes 0 Criteria 35 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 0 0 0 Detection Limit > EPA Seep Water Quality No No Yes No No No No No No Yes No No No No No No Yes No Yes 0 Criteria 0 0 0 0 \ 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Detected Above 15 NCAC 28 Seep Water 0 Screening Levels 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 Detection Limit >15 NCAC 2B Seep Water 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Screening Level Coal Ash COPC Surface Water Standard Exceed Surface Water Standard Seep Water COPC No YesNo DIS= Dissolved Yes No Yes No No No No No No Yes No No No No No No Yes No Yes No No No Yes Yes Yes Yes No No Yes Yes Yes No Yes Yes' Yes' Yes Yes' No Yes No No No Yes No No No No No No Yes No No No No No No Yes No Yes No No No Yes Prepared by: TV/KNS Checked by: RLP Notes Bold highlighted concentration indicates exceedance of the EPA National Recommended Water Quality Criteria, Human Health, June 2015 = - EPA Human Health Standard - Detection Limit Less Than Seep Water Screening Levels = - 15A NCAC 02B Standard - Detection Limits Less Than Seep Water Screeening Leve Indicates support/rationale for groundwater COPC attributable to coal ash. Note 1: Consitituent is retained as a COPC if analytical method detection limit or concentration exceeds 15 NCAC 02B Standard Indicates constituent is not a groundwater COPC attributable to coal ash. Note 2: Constituent is retained as a COPC if no 15 NCAC 02B Standard Deg C = Degree Celsius Temp = Temperature DIS= Dissolved NTU = nephelometric turbidity unit DO = Dissolved Oxygen TOT= Total mg/1 = milligrams per liter Spec Cord = Specific Conductance ng/L= nanograms per liter my = millivolts ORP = Oxidation Reduction Potential mg-N/L= miligram nitrogen per liter NE = Not established ug/1 = microgram per liter DUP = Duplicate S.U. = Standard Unit umhos/cm = micro mhos per centimeter < = concentration not detected at or above the reporting limit. P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 12-11 Seep EPA AND 2B HH Page 1 of 2 TABLE 12-11 SEEP ANALYTICAL RESULTS WITH SCREENING CRITERIA - EPA RECOMMENDED WATER QUALITY CRITERIA AND 15A NCAC 2B STANDARDS HUMAN HEALTH ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Lead Analytical Parameter Lead DIS Lead TOT Magnesium TOT Manganese DIS Manganese TOT Mercury TOT Methane Molybdenum DIS Molybdenum TOT Nickel DIS Nickel TOT Nitrate (as N) Potassium TOT Selenium DIS Selenium TOT Sodium TOT Strontium DIS Strontium TOT Sulfate Sulfide Thallium DIS Thallium TOT Total Dissolved Solids Total Organic Carbon Total Suspended Solids Vanadium DIS Vanadium TOT Zinc DIS Zinc TOT (DIS) Reporting Units ug/l ug/1 mg/l ug/I ug/I ng/L ug/l ug/l ug/l ug/l ug/l mg-N/L mg/I ug/l ug/1 mg/I mg/I mg/l mg/I mg/l ug/l ug/1 mg/I mg/I mg/l ug/l ug/1 mg/I mg/I Yes2 15 NCAC 02B Standard NE NE NE NE NE NE NE NE NE NE 25 10 NE NE NE NE NE NE 250 NE NE NE 500 NE NE NE NE NE NE 0 EPA Human Health NE NE NE NE NE NE NE NE 160 NE NE NE NE NE NE NE NE 14 NE NE NE 0.24 S. NE NE NE NE NE NE Sample ID Sample Collection Date 0 0 0 0 0 0 3 0 0 0 4 0 0 0 0 0 0 Detected limit > Screening Level 0 0 0 Analytical Results 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 A-01 04/02/2015 <1 2.26 19.3 483 552 36.7 <10 <1 <1 <1 2.99 0.91 2.57 5.16 6.18 9.56 0.308 0.31 72 <0.1 <0.2 <0.2 450 2.7 51 <0.3 3.61 0.005 0.02 B-01 04/01/2015 <1 <1 60.6 54 92 10.4 <10 <1 <1 2.03 2.58 0.124 6.49 <1 <1 14.9 2.25 2.32 260 <0.1 <0.2 <0.2 2200 1.1 21 <0.3 0.804 '0.005 <0.005 C-01 04/01/2015 <1 <1 39.8 7060 7210 1.04 <10 109 115 10 10.7 0.194 7.37 2.46 2.64 24 1.82 1.9 360 <0.2 <0.2 <0.2 880 0.8 13 <0.3 1.08 0.006 0.009 C-02 04/06/2015 <1 <1 41.1 8470 8390 1.54 <10 133 133 12.3 12.4 0.225 7.78 2.87 2.56 22.7 2.13 2.15 400 <0.5 <0.2 <0.2 920 0.535 6 <0.3 1.26 '0.005 <0.005 D-01 04/01/2015 <1 <1 24.9 1460 1500 <0.5 <10 <1 <1 <1 <1 0.029 3.34 <1 <1 28 0.464 0.467 220 <0.1 <0.2 <0.2 570 1.2 7 <0.3 <0.3 0.011 <0.005 E-01 04/01/2015 <1 <1 12.3 2270 2220 3.62 12 <1 <1 <1 <1 <0.01 3.97 <1 <1 26.7 0.31 0.303 140 <0.1 <0.2 <0.2 310 2.7 110 <0.3 0.333 <0.005 <0.005 F-01 04/01/2015 <1 <1 13.9 908 928 1.69 <10 <1 <1 <1 <1 0.062 2.59 <1 <1 17.9 0.27 0.267 150 <0.1 <0.2 <0.2 290 0.893 13 <0.3 0.38 0.008 0.005 F-02 04/01/2015 <1 <1 14 155 156 0.623 <10 <1 <1 <1 I 1 0.035 1.73 <1 1 <1 12 0.18 0.187 150 <0.1 <0.2 <0.2 290 3 <5 <0.3 <0.3 '0.005 <0.005 FB -01 06/02/2015 <1 <1 0.827 17 52 3.96 11 <1 <1 <1 <1 0.398 1.16 <1 <1 2.91 0.018 0.02 1.6 <0.1 1 <0.2 <0.2 36 1.9 30 0.465 1.86 0.006 0.007 FB -01 DUP 06/02/2015 <1 <1 0.818 17 39 3.21 12 <1 <1 <1 <1 0.376 1.15 <1 <1 2.85 0.018 0.019 1.4 <0.1 <0.2 0.202 40 1.9 26 0.38 1.65 0.008 0.007 FB -02 06/02/2015 <1 1.22 0.846 19 59 5.58 12 <1 <1 <1 <1 0.444 1.16 <1 <1 2.92 0.018 0.02 2.9 <0.1 <0.2 <0.2 36 1.9 40 0.373 1.93 0.014 0.014 K-01 04/06/2015 <1 <1 11 630 618 2.8 <10 <1 <1 <1 1.02 0.11 2.28 <1 <1 16.6 0.272 0.268 140 <0.1 <0.2 <0.2 250 0.935 <5 <0.3 0.343 0.007 <0.005 M-Ol 04/06/2015 <1 <1 12.8 50 135 6.7 QO <1 <1 1.75 2.15 1.5 4.23 2.37 2.25 17.9 0.351 0.297 170 <0.1 <0.2 <0.2 280 0.666 <5 <0.3 <0.3 0.108 <0.005 P-Ol 04/02/2015 <1 <1 2.81 23 59 2.12 <10 <1 <1 <1 <1 1.4 1.79 <1 <1 6.64 0.074 0.071 9.4 <0.1 <0.2 <0.2 66 1.3 13 <0.3 0.57 0.016 0.243 P-01 DUP 04/02/2015 <1 <1 2.74 22 60 2.11 <10 <1 <1 <1 <1 1.4 1.73 <1 <1 6.49 0.073 0.072 9.3 <0.1 <0.2 <0.2 68 3.2 14 <0.3 1 0.586 0.006 0.084 Lead Magnesium Manganese Manganese Mercury No Molybdenum Molybdenum Nickel Nickel Nitrate Potassium Selenium Selenium Sodium Strontium Strontium No Thallium Thallium Total Total Total Vanadium Vanadium Yes Human Health Screening Level COPCs Lead (DIS) (TOT) (TOT) (DIS) (TOT) (TOT) Methane (DIS) (TOT) (DIS) (TOT) (as N) (TOT) (DIS) (TOT) (TOT) (DIS) (TOT) Sulfate Sulfide (DIS) (TOT) Dissolved Organic Suspended (DIS) (TOT) Zinc (DIS) Zinc (TOT) Yes Yes Yes No Yes2 Solids Carbon Solids I I Detected above Screening Level 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 0 0 0 0 0 Detection Limit > Screening Level 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Detected above Screening Levels 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 0 0 4 0 0 0 0 0 0 Detected limit > Screening Level 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Coal Ash COPC Surface Water Standard Exceed Surface Water Standard Seep Water COPC No No No No Yes No No No Yes No No No No No No No No No Yes No No Yes Yes No No No Yes No No No Yes Yes Yes Yes No Yes2 No I I I I I Yes No Yes Yes2 No No No No Yes I No No No No No I No I No No No No No I No No I Yes No No No Yes No No No Yes No No Prepared by: TV/KNS Checked by: RLP Notes Bold highlighted concentration indicates exceedance of the EPA National Recommended Water Quality Criteria, Human Health, June 2015 = - EPA Human Health Standard - Detection Limit Less Than Seep Water Screening Levels = - 15A NCAC 02B Standard - Detection Limits Less Than Seep Water Screeening Leve Indicates support/rationale for groundwater COPC attributable to coal ash. Note 1: Consitituent is retained as a COPC if analytical method detection limit or concentration exceeds 15 NCAC 02B Standard Indicates constituent is not a groundwater COPC attributable to coal ash. Note 2: Constituent is retained as a COPC if no 15 NCAC 02B Standard Deg C = Degree Celsius Temp = Temperature DIS= Dissolved NTU - nephelometric turbidity unit DO = Dissolved Oxygen TOT= Total mg/I = milligrams per liter Spec Cord = Specific Conductance ng/L= nanograms per liter MV = millivolts ORP = Oxidation Reduction Potential mg-N/L= miligram nitrogen per liter NE = Not established ug/1 = microgram per liter DUP = Duplicate S.U. = Standard Unit umhos/cm = micro mhos per centimeter < = concentration not detected at or above the reporting limit. P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 12-11 Seep EPA AND 2B HH Page 2 of 2 TABLE I2-12 MATRIX FOR DETERMINATION OF CONSTITUENTS OF POTENTIAL CONCERN - HUMAN HEALTH ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Analytical Parameter Aluminum Antimony Arsenic Barium Beryllium Boron Cadmium Calcium Chloride Chromium Hexavalent Chromium Cobalt Copper Iron Lead Magnesium Manganese Mercury Molybtlenum Nickel Nitrate (as N) Potassium Selenium Sodium Strontium Sulfate Sulfide Thallium Total Dissolved Solids Total Organic Carbon Total Suspendetl Solids Vanadium Zinc Medium/Basis for COPC Designation Ash Pore Water Concentration exceeds screening value ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ Analytical detection limit exceeds screening value No screening value ✓ ✓ Alluvial Groundwater Concentration exceeds screening value ✓ NE ✓ ✓ ✓ ✓ ✓ ✓ Analytical detection limit exceeds screening value NE No screening value ✓ NE ✓ Saprolite Groundwater Concentration exceeds screening value ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ Analytical detection limit exceeds screening value No screening value ✓ ✓ Transition Zone Groundwater Concentration exceeds screening value ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ Analytical detection limit exceeds screening value No screening value ✓ ✓ Bedrock Groundwater Concentration exceeds screening value ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ Analytical detection limit exceeds screening value No screening value ✓ ✓ Soil Concentration exceeds screening value ✓ ✓ NE ✓ ✓ ✓ NA NA NA ✓ Analytical detection limit exceeds screening value ✓ ✓ NE NA ✓ NA NA No screening value ✓ NE ✓ NA NA NA Sediment Concentration exceeds screening value ✓ ✓ ✓ NE ✓ ✓ ✓ ✓ NA ✓ NA NA ✓ Analytical detection limit exceeds screening value ✓ ✓ NE ✓ NA ✓ NA NA No screening value ✓ NE ✓ NA NA NA Surface Water Concentration exceeds screening value ✓ ✓ ✓ NE ✓ ✓ ✓ Analytical detection limit exceeds screening value NE No screening value ✓ ✓ NE ✓ ✓ ✓ Seep Water Concentration exceed s screening value ✓ ✓ NE ✓ ✓ Analytical detection limit exceeds screening value NE No screening value ✓ ✓ NE ✓ ✓ ✓ ✓ Prepared by: VTV/. SRW Checked by: KLS Notes: Coal ash COPC (See Table 12-2) ✓ Constituent determined to be a human health COPC potentially attributable to coal ash. Constituent not determined to be a human health COPC potentially attributable to coal ash. Hexavalent chromium (Cr+B) is a human health COPC but ash pore water data to date suggest that Crifi in groundwater is not attributable to coal ash (7-10). NA = Not applicable NE = Not evaluated P:\Duke Energy Progress. 1026\102. Asheville Ash Basin OW Assessment Plan\1.11 CSA Reporting\tables\Table 12-12 Asheville Matrix for Determination of COPCs - HH Page 1 of 1 TABLE 12-13 THREATENED AND ENDANGERED SPECIES BUNCOMBE COUNTY, NORTH CAROLINA ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 12-13 ME species summary Buncombe County Formatted SRW Page 1 of 6 Species Protection Status Habitat Requirements Taxonomic Common Name Scientific Name State Federal Record Group (USFWS) Status r o c a Lampshade Weaver Hypochilus coy/ei SR Current rock outcrops (apparently endemic to southern mountains of North Carolina) s u a Lampshade Weaver Hypochilus shearl SR Current rock ( outcrops a pparently endemic to North Carolina) G d Appalachian Elktoe Alasmidonta raveneliana F E Historical Tennessee drainages 0 Lon solid 9' Fusconaia subrotunda SR FSC Obscure Hiwassee, Little Tennessee, and French Broads stems Y M Creeper Strophitus undu/atus T Current most river basins in the Coastal Plain and Piedmont, plus French Broad basin in the mountains r m M French Broad River Crayfish Cambarus reburrus SR FSC Current streams in upper portions of French Broad drainage, and in one stream in Savannah drainage u` (endemic to North Carolina) Z4 0. Sawtooth Disc Discus bryanti SC Current Watauga to Madison counties in cove hardwoods 0 M High Mountain Supercoil Paravitrea andrewsae SC Current cove forests with rocky slopes; northern half of the mountains American Burying Beetle Nicrophorus americanus SR E Historical sites with abundance of small vertebrate carrion Golden Banded -Skipper Autochton cellus SR Current moist woods near streams; host plants -- hog peanut (Amphicarpaea bracteat) and wild bean (Phaseolus po/ystachios) Frosted Elfin Callophrys irus SR Current open woods and borders, usually in dry situations; host plants -- lupines (Lupinus) and wild d' otisi 1 Appalachian Azure Ce/astrina neglectamajor W2 Current rich deciduous forests; host plant -- black cohosh (Cimicifuga ) Dusky Azure Celastrina nigra SR Current rich, moist deciduous forests; host plant -- goat's -beard (Aruncus dioicu ) Early Hairstreak Erora laeta SR Current deciduous forests, especially along edges of rich forests; host plants -- mainly American beech (Fagus grandifolia ) Mottled Duskywing Erynnis martialis SR Current upland woods and wooded edges; host plant -- New Jersey tea (Ceanothus americanus) Baltimore Checkerspot Euphydryas phaeton SR Current bogs, marshes, wet meadows; rarely in upland woods; host plants -- turtlehead (Chelone ) and false foxglove (Aureolaria ) Silvery Blue Glaucopsyche lygdamus W2 Current open upland woods, roadbanks, and borders; host plants -- primarily Carolina vetch (Vicia caroliniana ), but also crown vetch (Coronilla varia ) Leonard's Skipper Hesperia leonardus W2 Current wooded borders and openings, brushy fields; host plants -- grasses Giant Swallowtail Papilio cresphontes SR Current primarily coastal in maritime forests or thickets; also in foothills and mountains near hoptree; host plants -- prickly -ash (Zanthoxylum ), hoptree (Ptelea ) Appalachian Tawny Crescent Phyciodes batesii maconensis SR FSC Historical woodland openings, glades, and road banks at higher elevations; host plants -- asters, mainly Symphyotrichum undulatum high to medium elevation openings in woodlands, road banks; host plants -- asters; the Northern Crescent Phyciodes cocyta W3 Current former Phyciodes incognitus is now regarded as a subspecies of P. cocyta and is the only subspecies of . co v a kno n i NC Green Comma Po/ygonia faunus SR Current s�r�ce, fir, or hemlock forests, where mixed with hardwoods; host plants -- mainly birches ula v Gray Comma Po/ygonia progne SR Current rich deciduous forests; host plants -- mainly gooseberries (Ribes) Checkered White Portia protodice SR Current fields, pastures; host plants -- mustard species (Family Brassicaceae ) Hickory Hairstreak Satyrium caryaevorus SR Current mid- to high elevation deciduous forests; host plants -- primarily hickories (Carya ) Diana Fritillary Speyeria diana W2 FSC Current montane and foothill forest edges and openings; host plants -- violets (Viola ) Unicorn Clubtail Arigomphus villosipes W3 Current ponds, lakes, slow -Flowing streams Superb Jewelwing Ca/opteryx amata SR Historical cold, shallow, rocky rivers Tiger Spiketail Cordu/egaster erronea W2 Current small forested streams Eastern Ringtail Erpetogomphus designatus W3 Current streams and rivers Piedmont Clubtail Gomphus parvidens W2 Current small woodland streams with sandy bottoms Sable Clubtail Gomphus rogersi W2 Current small spring -fed streams Amber -winged Spreadwing Lestes eurinus W2 Current lakes and ponds with emergent vegetation Appalachian Snaketail Ophiogomphus incurvatus W2 FSC Current small to medium streams Riverine Clubtail Stylurus amnicola W3 Current rivers Benfield's Bearded Small Minnow Barbaetis benfie/di SR Current Jacob Fork (Burke), French Broad River (Transylvania), Caney Fork (Jackson); may be Mayfly undersampled -- narrow window of collectibility a mayfly Ephemerella berneri SR Current probably widespread in clean streams and rivers with Podostemum a mayfly Macdunnoa brunnea SR Current French Broad River (Buncombe), Mills River (Henderson), Hunting Creek (Davie, Iredell), Leepers Creek (Gaston), Yadkin River (Wilkes), Swift Creek (Nash) Spiny Salmonfly Pteronarcys comstocki SR Current locality data Sea Storm Lichen Cetrelia cetranoides SR -D Historical on trees an mossy rocs in forests with an open un erstory; may prefer old growth or very mature forests Rock Gnome Lichen Gymnoderma /ineare E E Current high elevation rock outcrops, outcrops in humid gorges Textured Lungwort Lobaria scrobiculata SR -P Historical on bark of hardwoods at high elevations (primarily spruce -fir zone) Alpine Camouflage Lichen Melanelia stygia SR -D Current high elevation rocky summits Coral Saucer Lichen Ochrolechia yasudae W7 Historical on bark or rock Mealy -rimmed Shingle Lichen Pannaria conop/ea SR -D Current on bark at high elevations Waterfan Lichen Peltigera hydrothyria W1 Current rocks and boulders in small streams Varied Rag Lichen Platismatia glauca W7 Current on bark of spruce, fir, or hardwoods in the spruce -fir zone Speckled Shield Lichen Puncte/ia reddenda W7 Historical P, C: on bark of hardwoods at high elevations, granitic or mafic rocks A Rock -shield Lichen Xanthoparme/ia monticola SR -L Historical high elevation rocky summits and mafic glades A Liverwort Acrobolbus ciliatus SC -V Current on moist rocks, in spray zones of waterfalls in humid gorges or in high elevation spruce -fir forests m 0. `m A Liverwort Barbilophozia attenuata W7 Historical on rocks in spruce -fir forests u A Liverwort Bazzania nudicaulis SR -T Historical on bark of Fraser Fir or on shaded rock in spruce -fir forests j A Liverwort Diplophyllum andrewsii W7 Historical on soil or rocks on banks c Z A Liverwort Diplophyllum obtusatum SR -D Historical on rock outcrops A Liverwort Diplophyllum taxifolium var. taxifolium W7 Historical crevices and underledges of rock outcrops, mostly in spruce -fir forests at high elevations A Liverwort Fru/lana oakesiana W7 Historical on bark of conifers or deciduous trees at high elevations A Liverwort Metzgeria pubescens W7 Historical on bark of trees A Liverwort Nardia scalaris ssp. scalaris SR -D Current on high elevation rocky summits and on moist rocks in spruce -fir forests A Liverwort Plagiochi/a corniculata SR -D Historical on bark of Fraser Firs in spruce -fir forests, rarely on hardwoods A Liverwort Plagiochi/a sharpii SR -L FSC Current damp rock faces in humid gorges, high elevation rocky summits A Liverwort Radula tenax W7 Historical on moist rocks or bark in humid gorges and cove forests A Thin -net Moss Amblystegium humile W7 j Current wet substrates Rock Split Moss Andreaea rupestris W1 Historical rock, typically acidic A Catherinea Moss Atrichum altecristatum W7 Historical open or semishaded soils, usually low elevations P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 12-13 ME species summary Buncombe County Formatted SRW Page 1 of 6 TABLE 12-13 THREATENED AND ENDANGERED SPECIES BUNCOMBE COUNTY, NORTH CAROLINA ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 12-13 T&E species summary Buncombe County Formatted SRW Page 2 of 6 Species Common Name Scientific Name Protection State Status Federal (USFWS) Habitat Requirements Record Status Taxonomic Group Velvet Moss Brachythecium velutinum W7 Current high elevation forests Black Fish Hook Moss Campylopus atrovirens var. atrovirens SR -D Historical near crevices and seepage zones on exposed granite v Transparent Fork Moss Dichodontium pellucidum SR -P Historical seepage or spray zones of waterfalls on mafic or calcareous rocks Fuscous Moss Dicranum fuscescens W7 Current on trees, logs, soil, rock, and humus in woodlands, spruce -fir forest, occasionally bogs u Bog Broom -moss Dicranum undulatum SR -D Historical bogs, seeps cSullivant's Entodon Entodon sullivantii SR -O Historical on rocks or bark in humid gorges and cove forests 0. Appalachian Pocket Moss Fissidens appalachensis W7 FSC Historical submerged in rapids of moderate to high elevation mountain streams Long -beaked Thread Moss Plagiomnium rostratum SR -P Current wet rocks u M A Moss Pohlia rabunbaldensis W7 Current high elevation hardwood forest o Z Appalachian Haircap Moss Polytrichum appalachianum W1 Historical rocky summits, mostly in high elevations Twisted Thread Moss Pterigynandrum filiforme W7 Historical mesic, acidic boulders and rock shelves Golden Tundra -moss Rhytidium rugosum SR -P Historical high elevation rocky summits, grassy balds, glades, over mafic rocks Acidic Cove Forest (Typic Subtype) Current Canada Hemlock Forest (Typic Subtype) Current Carolina Hemlock Forest (Mesic Subtype) Current Carolina Hemlock Forest (Pine Subtype) Current Carolina Hemlock Forest (Typic Subtype) Current Chestnut Oak Forest (Dry Heath Subtype) Current Chestnut Oak Forest (Herb Subtype) Current Chestnut Oak Forest (Mesic Subtype) Current Floodplain Pool Current Grassy Bald (Grass Subtype) Current Heath Bald (Catawba Rhododendron Subtype) Current High Elevation Birch Boulderfield Forest Current High Elevation Granitic Dome Current High Elevation Red Oak Forest (Heath Subtype) Current High Elevation Red Oak Forest (Orchard Forest Subtype) Current High Elevation Red Oak Forest (Rich Subtype) Current High Elevation Red Oak Forest (Stunted Woodland Subtype) Current High Elevation Red Oak Forest (Typic Herb Subtype) Current High Elevation Rocky Summit (High Peak Subtype) Current High Elevation Rocky Summit (Typic Subtype) Current Low Elevation Basic Glade (Montane Subtype) Current 'E Low Elevation Granitic Dome Current E E Low Elevation Rocky Summit (Acidic Subtype) Current 0 U m Montane Alluvial Forest (Large River Subtype) Current i A Montane Alluvial Forest (Small River Subtype) Current Z Montane Cliff (Acidic Herb Subtype) Current Montane Cliff (Mafic Subtype) Current Montane Oak --Hickory Forest (Acidic Subtype) Current Montane Oak --Hickory Forest (Basic Subtype) Current Montane Red Cedar -Hardwood Woodland Current Northern Hardwood Forest (Beech Gap Subtype) Current Northern Hardwood Forest (Rich Subtype) Current Northern Hardwood Forest (Typic Subtype) Current Pine--Oak/Heath (High Elevation Subtype) Current Pine--Oak/Heath (Typic Subtype) Current Red Spruce --Fraser Fir Forest (Birch Transition Herb Subtype) Current Red Spruce --Fraser Fir Forest (Birch Transition Shrub Subtype) Current Red Spruce --Fraser Fir Forest (Herb Subtype) Current Red Spruce --Fraser Fir Forest (Rhododendron Subtype) Current Rich Cove Forest (Boulderfield Subtype) Current Rich Cove Forest (Montane Intermediate Subtype) Current Rich Cove Forest (Montane Rich Subtype) Current Rich Montane Seep Current Rocky Bar and Shore (Alder-Yellowroot Subtype) Current Spray Cliff Current Swamp Forest --Bog Complex (Typic Subtype) Current Fraser Fir Abies fraseri W5 FSC Current spruce -fir forests Trailing Wolfsbane Aconitum reclinatum SR -T Current rich coves, seepage slopes, boulderfields, rocky stream banks, mainly associated with mafic rocks Climbing Fumitory Adlumia fungosa SC -V Current coves and cliffs Piedmont Gerardia Agalinis decemloba W1 Historical dry, open sites Yellow Giant -hyssop Agastache nepetoides SR -P Current oak --hickory forests, especially over mafic rocks Roundleaf Serviceberry Amelanchier sanguinea W1 Current thin soils around mafic rock outcrops at lower and middle elevations White Camas Anticlea glauca SR -P Historical calcareous rock outcrops cLyre -leaved Rockcress Arabidopsis lyrata W1 Historical around calcareous or mafic rock outcrops m a `m Hairy Rockcress Arabis pycnocarpa var. adpressipilis E Current thin soils around basic rock outcrops American Barberry Berberis canadensis SC -V Historical open forests and glades on basic soils M > Coastal Plain Tickseed Bidens mitis W7 Historical freshwater marshes, brackish marshes, and mountain bogs Northern Shorthusk Brachyelytrum aristosum SR -P Current northern hardwood forests Fringed Brome Bromus ciliatus SR -P Current moist areas near high elevation grassy balds Nottoway Valley Brome Bromus nottowayanus W7 Current rich woods Piratebush Buckleya distichophylla T FSC Current bluffs, dry slopes, forests on lower slopes Cain's Reed Grass Calamagrostis cainii E FSC Current high elevation rocky summits Marsh -marigold Caltha palustris E Historical boggy sites White Bear Sedge Carex albursina W7 Current Irich cove forests, over mafic or calcareous rocks P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 12-13 T&E species summary Buncombe County Formatted SRW Page 2 of 6 TABLE 12-13 THREATENED AND ENDANGERED SPECIES BUNCOMBE COUNTY, NORTH CAROLINA ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 12-13 T&E species summary Buncombe County Formatted SRW Page 3 of 6 Species Common Name Scientific Name Protection State Status Federal (USFWS) Habitat Requirements Record Status Taxonomic Group p Biltmore Sedge Carex biltmoreana WI Current cliffs, outcrops, and granitic domes Blue Ridge Brome Sedge Carex bromoides ssp. montana W7 Historical bogs, moist areas along streams, seepages in coves Hitchcock's Sedge Carex hitchcockiana SC -V Current moist to dryish forests over calcareous or mafic rocks A Wood Sedge Carex leptonervia W1 Current rich cove forests and seepage slopes Appalachian Woodland Sedge Carex lucorum var. austrolucorum W7 Historical medium to high elevation forests, especially over calcareous or mafic rocks Wretched Sedge Carex misera W1 Current high elevation rock outcrops Roan Sedge Carex roanensis SR -T Current forests Ruth's Sedge Carex ruthii W1 Historical seeps and bogs Three -seeded Sedge Carex trisperma E Historical bogs, wet forests at high elevations Wood's Sedge Carex woodii SR -P Current forested slopes, cove forests, and northern hardwoods American Bittersweet Celastrus scandens E Current cove forests and rich woods Mountain Hackberry Celtis occidentalis W7 Historical rocky woodlands and mafic cliffs Nodding Chickweed Cerastium nutans W7 Current alluvial forests, bottomlands, moist forests Slender Wood -reed Cinna latifolia W7 Historical high elevation forests and openings Small Spreading Pogonia Cleistesiopsis bifaria W1 Historical savannas, dry meadows Mountain Clematis Clematis occidentalis var. occidentalis SC -V Current montane oak forests and northern hardwood forests Long-bracted Frog Orchid Coeloglossum viride var. virescens E Historical seeps in cove forests Spotted Coralroot Corallorhiza maculata var. maculata SR -P Historical northern hardwood forests Autumn Coral -root Corallorhiza odontorhiza W1 Historical forests Spring Coral -root Corallorhiza wisteriana SR -O Historical nutrient -rich forests, especially over limestone, mafic rocks or shell rich sands Broadleaf Coreopsis Coreopsis latifolia W1 Current cove forests and other rich woods Plains Sunrose Crocanthemum bicknellii SC -V Current rock outcrops, glades, fens Creeping Sunrose Crocanthemum propinquum T Historical rock outcrops, glades Bulblet Bladder Fern Cystopteris bulbifera W7 Current calcareous rocks Pennsylvania Ground -pine Dendrolycopodium hickeyi SR -P Current openings, balds, bog margins, and high elevation forests Bleeding Heart Dicentra eximia SR -P Current rock outcrops Glade Fern Diplazium pycnocarpon W1 Current rich woods, usually over seepage Branching Draba Draba ramosissima SC -V Current calcareous and mafic rock outcrops Crested Woodfern Dryopteris cristata W1 Current bogs, wet woods Goldie's Woodfern Dryopteris goldiana WI Current rich, moist woods Great Plains Wild -Rye Elymus canadensis var. canadensis W7 Historical rich woods Purpleleaf Willowherb Epilobium ciliatum SR -P Current seeps and bogs Flattened Pipewort Eriocaulon compressum W6 Historical bogs and shallow pools Blue -flower Coyote -thistle Eryngium integrifolium W6 Historical Wet pinelands, meadows and savannas a Britton's Eupatorium Eupatorium sessilifolium var. brittonianum W7 Historical rocky woodlands over mafic rocks 2 c Cliff Spurge Euphorbia commutata T Current thin soil around mafic or calcareous outcrops C Glade Spurge Euphorbia purpurea SR -T FSC Current forests, especially over mafic rack U N Creeping Aster Eurybia surculosa W1 Current rock outcrops, glades, rocky woodlands C Nuttall's Flat -top Goldenrod Euthamia graminifolia var. nuttallii W7 Historical moist to dry riverbanks, bottomlands, and bog margins a m Spotted Joe-pye Weed Eutrochium maculatum var. maculatum W7 Historical wet calcareous meadows, cove forests, grassy balds � A Queen -of -the -prairie Filipendula rubra E Current bogs, wet meadows Carolina Buckthorn Frangula caroliniana W1 Current rich bottomlands and slopes Lanceleaf Wild Licorice Galium lanceolatum W7 Current rich cove forests Appalachian Dwarf Huckleberry Gaylussacia orocola SR -L Historical bogs Appalachian Gentian Gentiana austromontana W1 Historical high elevation forests and balds Spreading Avens Geum radiatum E E Current high elevation rocky summits Lesser Rattlesnake Orchid Goodyera repens W1 Current moist, acid forests, especially under rhododendrons and conifers Virginia Stickseed Hackelia virginiana SR -P Current woods and thickets with circumneutral soil Naked -stem Sunflower Helianthus occidentalis ssp. occidentalis SC -H Historical Rocky or sandy Flood -scoured riversides Lang -flower Alumroot Heuchera longiflora W7 Current rich and rocky cove forests, especially over calcareous or mafic rocks Mountain Heartleaf Hexastylis contracta E FSC Current acidic forests under rhododendron French Broad Heartleaf Hexastylis rhombiformis SR -L FSC Current cove forests Appalachian Fir-clubmoss Huperzia appressa W1 Current high elevation rocky summits, seeps, fens Goldenseal Hydrastis canadensis SR -0 Current cove forests, other rich deciduous forests Largeleaf Waterleaf Hydrophyllum macrophyllum W1 Current rich woods, especially rocky calcareous forests and cliffs Blue Ridge St. John's -wort Hypericum buckleyi W1 Current high elevation rocky summits, granitic domes, grassy balds Mountain St. John's -wort Hypericum graveolens W1 Historical high elevation balds, outcrops, seeps Mitchell's St. John's -wort Hypericum mitchellianum W1 Historical high elevation balds, outcrops, seeps Large Whorled Pogonia Isotria verticillata W1 Historical forests Butternut Juglans cinerea W5 FSC Historical cove forests, rich woods Nodding Rush Juncus secundus W7 Current rock outcrops and glades Dwarf Juniper Juniperus communis var. depressa SC -V Historical high elevation granitic domes, low elevation rocky summits Common Water -willow Justicia americana W6 Historical rocky and sandy stream beds Sheep -laurel Kalmia carolina W6 Historical Mountain bogs, rocky woodlands, sandy woodlands, pocosins, savannahs, bogs Two -flower Cynthia Krigia biflora W7 Historical rich mesic woods Smooth Peavine Lathyrus venosus W1 Current rich bottomlands and rocky slopes, generally over mafic rocks Shale -barren Blazing -star Liatris turgida SR -T Historical dry rocky woods Gray's Lily Lilium grayi T FSC Current bogs, wet meadows, seeps, grassy balds, high elevation forests American Fly -honeysuckle Lonicera canadensis SR -P Current bogs, moist woods Yellow Honeysuckle Lonicera flava W1 Current thin soils around rock outcrops, mainly mafic Fraser's Loosestrife Lysimachia fraseri E FSC Historical wet forest borders, roadsides, alluvial meadows Carey Saxifrage Micranthes careyana W7 Current seepy rock faces Sweet Pinesap Monotropsis odorata SC -V FSC Current dry forests and bluffs Mexican Muhly Muhlenbergia mexicana W7 Current forests and openings Woodland Muhly Muhlenbergia sylvatica W7 Current rich alluvial forests Slender Waternymph Najas gracillima W7 Historical kools and lakes P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 12-13 T&E species summary Buncombe County Formatted SRW Page 3 of 6 TABLE 12-13 THREATENED AND ENDANGERED SPECIES BUNCOMBE COUNTY, NORTH CAROLINA ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 12-13 ME species summary Buncombe County Formatted SRW Page 4 of 6 Species Common Name Scientific Name Protection State Status Federal (USFWS) Habitat Requirements Record Status Taxonomic Group Highland Rush Oreojuncus trifidus SR -D Current high elevation rocky summits Divided -leaf Ragwort Packera millefolium T FSC Current granitic domes, other outcrops Schweinitz's Ragwort Packera schweinitziana T Current schweinitzianus) M: grassy balds Ginseng Panax quinquefolius W1 Current cove forests, other rich forests Dwarf Ginseng Panax trifolius W1 Current cove forests, northern hardwoods, other rich forests Pennsylvania Pellitory Parietaria pensylvanica W7 Historical slopes and bottomlands, usually over calcareous or mafic rocks Large -leaved Grass-of-parnassus Parnassia grandifolia T FSC Historical fens and seeps over calcareous or mafic rocks Swamp Lousewort Pedicularis lanceolata T Historical bottomlands, swampy woods Purple -stem Cliff -brake Pellaea atropurpurea W1 Current limestone outcrops Northern Beech Fern Phegopteris connectilis E Current spray zone of waterfalls, spruce -fir forests, high elevation seepage bogs Hairy Mock -orange Philadelphus hirsutus W1 Current bluffs, cliffs, and rocky woods, mainly over mafic or calcareous rocks Scentless Mock -orange Philadelphus inodorus W1 Historical bluffs, cliffs, and rocky woods, mainly over mafic or calcareous rocks Largeleaf Phlox Phlox amplifolia W1 Historical hardwood forests on mafic rock Moss Pink Phlox subulata SR -P Current outcrops and glades, especially over mafic rocks Fetterbush Piens floribunda W1 Historical acid wooded slopes, heath balds at high elevations and summits of Piedmont monadocks Northern Rein Orchid Platanthera flava var. herbiola SR -P Historical bogs and moist forests Large Purple -fringed Orchid Platanthera grandiflora T Current bogs, seeps, grassy balds, high elevation moist forests and banks Purple Fringeless Orchid Platanthera peramoena T Historical bogs, forests Glade Knotweed Polygonum tenue W7 Historical glades and other thin soil over mafic rock Leafy Pondweed Potamogeton foliosus W1 Historical lakes, streams, and ponds Floating Pondweed Potamogeton natans SR -D Historical lakes and artificial impoundments Roan Rattlesnakeroot Prenanthes roanensis W1 Current grassy balds, high elevation forests and outcrops Shooting -star Primula meadia T Current mafic cliffs, dry coniferous woodlands, and associated nutrient -rich alluvial forests Choke Cherry Prunus virginiana var. virginiana W7 Current oak and northern hardwood forests Tennessee Mountain -mint Pycnanthemum curvipes SR -T Current dry rocky woodlands and rock outcrops Pink -shell Azalea Rhododendron vaseyi SR -L Current high elevation oak forests, heath balds, spruce -fir forests, and rocky areas Slender Beak Rush Rhynchospora gracilenta W6 Historical bogs and savannas Kelsey's Locust Robinia hispida var, kelseyi SR -O Historical high elevation red oak forests, dry rocky woods Boynton's Locust Robinia hispida var. rosea W7 Historical open woods Red Raspberry Rubusidaeus ssp. strigosus T Current high elevation spruce -fir forests and openings wA Coneflower Rudbeckia laciniata var. humilis W7 Current seeps, stream banks, and boulderfield forests Pinnate -lobed Black-eyed Susan Rudbeckia triloba var. pinnatiloba SR -T Current mafic cliffs u Bunched Arrowhead Sagittaria fasciculata E E Historical bogs and mountain swamp forests 1^. Mountain Sweet Pitcher Plant Sarracenia jonesii E E Current bogs n 0. Alabama Grape -fern Sceptridium jenmanii SC -V Historical moist woods Blunt -lobed Grape -fern Sceptridium oneidense SR -P Historical cove forests, bogs u Hooded Skullcap Scutellaria galericulata SC -H Historical spring -fed seepage Appalachian Skullcap Scutellaria ovata ssp. rugosa var. 1 SR -T Current rocky forests, boulderfields Showy Skullcap Scutellaria serrata W1 Historical deciduous forests Sweet Indian -plantain Senecio suaveolens SC -H Historical bottomlands Wild Senna Senna hebecarpa W7 Current forests Mountain Catchfly Silene ovata SC -V FSC Current rich slopes, cove forests, montane oak -hickory forests Granite Dome Goldenrod Solidago simulans SR -L FSC Current high and low elevation granitic domes south of the Asheville Basin Blue Ridge Goldenrod Solidago spithamaea T T Current high elevation rocky summits Squarrose Goldenrod Solidago squarrosa SR -P Historical moist forests at high elevations Narrow -leaf Meadowsweet Spiraea alba W1 Historical bogs Virginia Spiraea Spiraea virginiana T T Current riverbanks Yellow Ladies' -tresses Spiranthes ochroleuca T Historical grassy balds, meadows, wooded slopes Longstalk Starwort Stellaria alsine W1 Current seeps and river banks Core's Starwort Stellaria corei W1 Current coves, seeps, northern hardwood forests White Mandarin Streptopus amplexifolius SC -V Current spruce -fir forests, northern hardwoods forests Purple -stem Aster Symphyotrichum firmum W7 Historical bogs and other wet places Ash -leaved Golden -banner Thermopsis fraxinifolia SC -V Current dry ridges Appalachian Golden -banner Thermopsis mollis SC -V Historical dry ridges and open woodlands Poison Sumac Toxicodendron vernix W6 Historical bogs, pocosins, bays and wet pine barrens Deerhair Bulrush Trichophorum caespitosum ssp. caesoitosum SR -D Current high elevation rocky summits, moist cliffs Glade Bluecurls Trichostema brachiatum E Current diabase glades, other dry calcareous or mafic outcrops Starflower Trientalis borealis E Historical coves, northern hardwood forest Buffalo Clover Trifolium reflexum T Historical open woods and clearings Southern Nodding Trillium Trillium rugelii W1 Current rich woods and coves over mafic and calcareous rocks Sweet White Trillium Trillium simile T Current rich coves Three Birds Orchid Triphora trianthophoros var. t ianthoohoros W1 Current moist forests Eastern Hemlock Tsuga canadensis W5 FSC Current moist soils Blue Vervain Verbena hastata W7 Current marshes, bogs, and fields Culver's-root Veronicastrum virginicum W7 Historical bogs, wet meadows, dry soils over mafic rocks Three -parted Violet Viola tripartita W7 Historical forests associated with basic soils Appalachian Cliff Fern Woodsia appalachiana SR -P Historical cliffs, rock outcrops Mole Salamander Ambystoma talpoideum SC Current breeds in fish -free semipermanent woodland ponds; forages in adjacent woodlands Hellbender Cryptobranchus alleganiensis SC FSC Current large and clear fast -flowing streams Northern Pygmy Salamander Desmognathus organi SR FSC Current spruce -fir and other high elevation forests; northeast of the French Broad River Z4 Four -toed Salamander Hemidactylium scutatum SC Current pools, bogs, and other wetlands in hardwood forests M wCommon Mudpuppy Necturus maculosus SC Historical rivers and large streams in New, French Broad, and Little Tennessee drainages Blue Ridge Gray-cheeked Salamander Plethodon amplus SR FSC Current mesic forests in the Hickorynut Gorge vicinity (endemic to this area) Red-cheeked Salamander Plethodon jordani W3 Current rich forests in the southwestern mountains Southern Zigzag Salamander Plethodon ventralis SC Current moist areas of talus slopes or rock outcrops in hardwood forests Crevice Salamander Plethodon yonahlossee pop. 1 SC Current Hickorynut Gorge area (endemic to this area); crevices in moist shaded rocks P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 12-13 ME species summary Buncombe County Formatted SRW Page 4 of 6 TABLE 12-13 THREATENED AND ENDANGERED SPECIES BUNCOMBE COUNTY, NORTH CAROLINA ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC http://portal.ncdenr.org/web/nhp/database-search US FWS Updated: 3-25-2015 https://www.fws.gov/raleigh/species/cntylist/buncombe.html Definitions of Federal Status Codes: E = endangered. A taxon "in danger of extinction throughout all or a significant portion of its range. T = threatened. A taxon "likely to become endangered within the foreseeable future throughout all or a significant portion of its range. C = candidate. A taxon under consideration for official listing for which there is sufficient information to support listing. (Formerly "Cl" candidate species.) BGPA =Bald and Golden Eagle Protection Act. See below. FSC=Federal Species of Concern. FSC is an informal term. It is not defined in the federal Endangered Species Act. In North Carolina, the Asheville and Raleigh Field Offices of the US Fish and Wildlife Service (Service) define Federal Species of Concern as those species that appear to be in decline or otherwise in need of conservation and are under consideration for listing or for which there is insufficient information to support listing at this time.Subsumed under the term "FSC" are all species petitioned by outside parties and other selected focal species identified in Service strategic plans, State Wildlife Action Plans, or Natural Heritaqe Proqram Lists. T(S/A) = threatened due to similarity of appearance. A taxon that is threatened due to similarity of appearance with another listed species and is listed for its protection. Taxa listed as T(S/A) are not biologically endangered or threatened and are not subject to Section 7 consultation. See below. EXP = experimental population. A taxon listed as experimental (either essential or nonessential). Experimental, nonessential populations of endangered species (e.g., red wolf) are treated as threatened species on public land, for consultation purposes, and as species proposed for listing on private land. P = proposed. Taxa proposed for official listing as endangered or threatened will be noted as "PE" or "PT", respectively. P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 12-13 T&E species summary Buncombe County Formatted SRW Page 5 of 6 Species Common Name Scientific Name Protection State Status Federal (USFWS) Habitat Requirements Record Status Taxonomic Group Northern Saw -whet Owl - Southern Appalachian population Aegolius acadicus pop. 1 T FSC Current spruce -fir forests or mixed hardwood/spruce forests (for nesting) [breeding season only] Grasshopper Sparrow Ammodramus savannarum WS,W5 Current pastures and other grasslands [breeding season only] Hermit Thrush Catharus guttatus SR Current spruce -fir forests (for nesting) [breeding season only] Swainson's Thrush Catharus ustulatus SR Current spruce -fir forests [breeding season only] Brown Creeper Certhia americana SC Current high elevation forests, favoring spruce -fir mixed with hardwoods [breeding season only] Black -billed Cuckoo Coccyzus erythropthalmus SR Current deciduous forests, mainly at higher elevations [breeding season and habitat only] Alder Flycatcher Empidonax alnorum SR Current high elevation shrub/sapling thickets [breeding season only] Least Flycatcher Empidonax minimus W2 Current open hardwood forests, groves, streamside trees [breeding season only] Willow Flycatcher Empidonax traillii W2 Current wet thickets in open country, often along streams in broad valleys [breeding season only] Peregrine Falcon Falco peregrinus E Current cliffs (for nesting); coastal ponds and mudflats (for foraging in winter) [nesting evidence; ula sites] American Kestrel Falco sparverius W1,W5 Current open country; nests in cavities [breeding evidence only] Bald Eagle Haliaeetus leucocephalus BGPA Current estuaries, large lakes, reservoirs, rivers, and some seacoasts, with a good food base, perching areas, and nestinq sites Southern Appalachian Red Crossbill Loxia curvirostra pop. 1 SC FSC Current coniferous forests, preferably spruce -fir [breeding season only] Bachman's Sparrow Peucaea aestivalis SC FSC Historical open longleaf pine forests, old fields [breeding season only] Southern Appalachian Black -capped Chickadee Poecile atricapillus practica SC FSC Historical high elevation forests, mainly spruce -fir [breeding season only] Golden -crowned Kinglet Regulus satrapa W2,W5 Current spruce -fir forests; hardwood forests mixed with spruce or hemlock [breeding season only] Cerulean Warbler Setophaga cerulea SC FSC Current mature hardwood forests; steep slopes and coves in mountains, natural levees in Coastal Plain [breeding season only] Magnolia Warbler Setophaga magnolia SR Current spruce -fir forests, especially in immature stands [breeding season only] Red -breasted Nuthatch Sitta canadensis W2,W51 Current high -elevation coniferous forests, preferably spruce -fir [breeding season only] Yellow -bellied Sapsucker Sphyrapicus varius W2 Current mature, open hardwoods with scattered dead trees [breeding season only] Pine Siskin Spinus pinus W3 Current spruce -fir forests [breeding evidence only] Appalachian Bewick's Wren Thryomanes bewickii altus E FSC Historical woodland borders or openings, farmlands or brushy fields, at high elevations [breeding season onlvl Winter Wren Troglodytes hiemalis W2,W5 Current cool, moist forests at mid- to high elevations [breeding season only] Blue -winged Warbler Vermivora cyanoptera SR Current low elevation brushy fields and thickets [breeding season only] Warbling Vireo Vireo gilvus SR Current groves of hardwoods along rivers and streams [breeding season only] Spotfin Shiner Cyprinella spiloptera W5 Current primarily New and French Broad drainages Spotfin Chub Erimonax monachus T T Historical Little Tennessee River; formerly in French Broad drainage Southern Blotched Chub Erimystax insignis eristigma SR FSC Current primarily French Broad drainage a Redline Darter Etheostoma rufilineatum W5 Current French Broad, Little Tennessee, and Hiwassee drainages c Seagreen Darter Etheostoma thalassinum SR Historical Santee River drainage c 0 Striped Shiner Luxilus chrysocephalus SC Current several mountain drainages Highland Shiner Notropis micropteryx SR Current French Broad, Little Tennessee, and Hiwassee drainages 0 Silver Shiner Notropis photogenis WS Current mountain drainages (except Pigeon) a `o Saffron Shiner Notropis rubricroceus W5 Current most mountain drainages, but mainly French Broad and Toe > Tangerine Darter Percina aurantiaca W2 Current Tennessee drainages Blotchside Logperch Percina burtoni E FSC Historical South Toe drainage; formerly in French Broad drainage Sickle Darter Percina williamsi SC FSC Historical formerly in French Broad River Fatlips Minnow Phenacobius crassilabrum W2 Current Little Tennessee, French Broad, and Toe drainages Paddlefish Polyodon spathula E FSC Historical French Broad River Rafinesque's Big -eared Bat - Mountain subspecies Corynorhinus rafinesquii T FSC Historical roosts in caves, mines, and hollow trees, usually near water Carolina Northern Flying Squirrel Glaucomys sabrinus coloratus E E Current high elevation forests, mainly spruce -fir Hoary Bat Lasiurus cinereus W2 Current mid- to high elevations (breeding season only) Seminole Bat Lasiurus seminolus W2 Current forages over open areas, often over water (summer) Lang -tailed Weasel Mustela frenata W3 Current forests, brushy areas Least Weasel Mustela nivalis SR -G Current fields and forests, mostly at high elevations Gray Myotis Myotis grisescens E E Current roosts in caves; forages mainly over open water Eastern Small -footed Myotis Myotis leibii SC FSC Current roosts in hollow trees and in rock crevices (warmer months), in caves and mines (winter) Northern Myotis (Long -Eared Bat) Myotis septentrionalis SR FSC, PE Current roosts in hollow trees and buildings (warmer months), in caves and mines (winter); mainly in the mountains Southern Appalachian Eastern Woodrat Neotoma floridana haematoreia W2 FSC Current rocky places in deciduous or mixed forests, in southern mountains and adjacent Piedmont Allegheny Woodrat Neotoma magister SC FSC Current rocky places and abandoned buildings in deciduous or mixed forests in the northern mountains and adjacent Piedmont Eastern Fox Squirrel Sciurus niger W2 Historical open forests, mainly longleaf pine/scrub oak Long-tailed Shrew Sorex dispar SC Current high elevation forests with talus or rocky slopes American Pygmy Shrew Sorex hoyi W2 Current montane deciduous forests; old fields and forests in northeastern Coastal Plain Southern Water Shrew Sorex palustris punctulatus SC FSC Current stream banks in montane forests Eastern Spotted Skunk Spilogale putorius SR -G Current forests with rocks, cliffs, and other den sites Appalachian Cottontail Sylvilagus obscurus SR -G FSC Current dense cover of montane woods and thickets Stone's Southern Bog Lemming Synaptomys cooperi stonei W2 Current bogs and wet meadows Meadow lumping Mouse Zapus hudsonius W2 Current open moist fields and brushy places, usually near water Eastern Spiny Softshell Apalone spinifera spinifera SC Current large streams in the French Broad system Timber Rattlesnake Crotalus horridus SC Current wetland forests in the Coastal Plain; rocky, upland forests elsewhere [NHP tracking only den/hibernacula sites and selected isolated populations] Bog Turtle Glyptemys muhlenbergii T T(S/A) Current bogs, wet pastures, wet thickets Coal Skink Plestiodon anthracinus SR Historical rocky slopes, wooded hillsides, roadbanks Smooth Earthsnake Virginia valeriae W2 Current deciduous or mixed woods, usually in mesic soils http://portal.ncdenr.org/web/nhp/database-search US FWS Updated: 3-25-2015 https://www.fws.gov/raleigh/species/cntylist/buncombe.html Definitions of Federal Status Codes: E = endangered. A taxon "in danger of extinction throughout all or a significant portion of its range. T = threatened. A taxon "likely to become endangered within the foreseeable future throughout all or a significant portion of its range. C = candidate. A taxon under consideration for official listing for which there is sufficient information to support listing. (Formerly "Cl" candidate species.) BGPA =Bald and Golden Eagle Protection Act. See below. FSC=Federal Species of Concern. FSC is an informal term. It is not defined in the federal Endangered Species Act. In North Carolina, the Asheville and Raleigh Field Offices of the US Fish and Wildlife Service (Service) define Federal Species of Concern as those species that appear to be in decline or otherwise in need of conservation and are under consideration for listing or for which there is insufficient information to support listing at this time.Subsumed under the term "FSC" are all species petitioned by outside parties and other selected focal species identified in Service strategic plans, State Wildlife Action Plans, or Natural Heritaqe Proqram Lists. T(S/A) = threatened due to similarity of appearance. A taxon that is threatened due to similarity of appearance with another listed species and is listed for its protection. Taxa listed as T(S/A) are not biologically endangered or threatened and are not subject to Section 7 consultation. See below. EXP = experimental population. A taxon listed as experimental (either essential or nonessential). Experimental, nonessential populations of endangered species (e.g., red wolf) are treated as threatened species on public land, for consultation purposes, and as species proposed for listing on private land. P = proposed. Taxa proposed for official listing as endangered or threatened will be noted as "PE" or "PT", respectively. P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 12-13 T&E species summary Buncombe County Formatted SRW Page 5 of 6 TABLE 12-13 THREATENED AND ENDANGERED SPECIES BUNCOMBE COUNTY, NORTH CAROLINA ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Bald and Golden Eagle Protection Act (BGPAI: In the July 9, 2007 Federal Register( 72:37346-37372), the bald eagle was declared recovered, and removed (de -listed) from the Federal List of Threatened and Endangered wildlife. This delisting took effect August 8,2007. After delisting, the Bald and Golden Eagle Protection Act (Eagle Act) (16 U.S.C. 668-668d) becomes the primary law protecting bald eagles. The Eagle Act prohibits take of bald and golden eagles and provides a statutory definition of "take" that includes "disturb". The USFWS has developed National Bald Eagle Management Guidelines to provide guidance to land managers, landowners, and others as to how to avoid disturbing bald eagles. For mor information, visit http://www.fws.gov/migratorybirds/baideagle.htm Threatened due to similarity of aooearance(T(S/A)l: In the November 4, 1997 Federal Register (55822-55825), the northern population of the bog turtle (from New York south to Maryland) was listed as T (threatened), and the southern population (from Virginia south to Georgia) was listed as T(S/A) (threatened due to similarity of appearance). The T(S/A) designation bans the collection and interstate and international commercial trade of bog turtles from the southern population. The T(S/A) designation has no effect on land management activities by private landowners in North Carolina, part of the southern population of the species. In addition to its official status as T(S/A), the U.S. Fish and Wildlife Service considers the southern population of the bog turtle as a Federal species of concern due to habitat loss. Definitions of Record Status: Current - the species has been observed in the county within the last 50 years. Historic - the species was last observed in the county more than 50 years ago. Obscure - the date and/or location of observation is uncertain. Incidental/migrant - the species was observed outside of its normal range or habitat. Probable/potential - the species is considered likely to occur in this county based on the proximity of known records (in adjacent counties), the presence of potentially suitable habitat, or both. Definition of State Codes: CODE/ STATUS DEFINITION Any native or once -native species of wild animal whose continued existence as a viable component of the State's fauna is determined by the Wildlife Resources E=Endangered Commission to be in jeopardy or any species of wild animal determined to be an 'endangered species' pursuant to the Endangered Species Act. (Article 25 of Chapter 113 of the General Statutes; 1987). T=Threatened Any native or once -native species of wild animal which is likely to become an endangered species within the foreseeable future throughout all or a significant portion of its range, or one that is designated as a threatened species pursuant to the Endangered Species Act. (Article 25 of Chapter 113 of the General Statutes; 1987). SC=Special Concern Any species of wild animal native or once -native to North Carolina which is determined by the Wildlife Resources Commission to require monitoring but which may be taken under regulations adopted under the provisions of this Article. (Article 25 of Chapter 113 of the General Statutes; 1987). SR -L= Significantly Rare Limited Any species which has not been listed by the N.C. Wildlife Resources Commission as an Endangered, Threatened, or Special Concern species, but which exists in the state (or recently occurred in the state) in small numbers and has been determined by the N.C. Natural Heritage Program to need monitoring. Significantly Rare species SR=Significantly Rare include "peripheral" species, whereby North Carolina lies at the periphery of the species' range (such as Hermit Thrush), as well as species of historical occurrence with SR-D=Significantly Rare Disjunct some likelihood of re -discovery in the state. Species considered extirpated in the state, with little likelihood of re -discovery, are given no N.C. Status (unless already SR-P=Significantly Rare Peripheral listed by the N.C. Wildlife Resources Commission as E, T, or SC). SR-G=Game Animal Species is a game animal or a furbearer, and therefore (by law) cannot be listed for State protection as E, T, or SC. SC-V=Special Concern -Vulnerable "Any species or higher taxon of plant which is likely to become a threatened species within the foreseeable future"(NCAC 02 NCAC 48F .0401). SC-H=Special Concern -Historical "Any species or higher taxon of plant that occurred in North Carolina at one time, but for which all known populations are currently considered to be either historical or extirpated." "(NCAC 02 NCAC 48F .0401). SR -L= Significantly Rare Limited The range of the species is limited to North Carolina and adjacent states (endemic or near endemic). These are species that may have 20-50 populations in North Carolina, but fewer than 100 populations rangewide. The preponderance of their distribution is in North Carolina and their fate depends largely on conservation here. SR-T=Significantly Rare Throughout The species is rare throughout its range (fewer than 100 populations total). SR-D=Significantly Rare Disjunct The species is disjunct to North Carolina from a main range in a different part of the country or world. SR-P=Significantly Rare Peripheral The species is at the periphery of its range in North Carolina. These species are generally more common somewhere else in their ranges, occurring in North Carolina peripherally to their main ranges, mostly in habitats which are unusual in North Carolina. SR -O= Significantly Rare Other The range of the species is sporadic or cannot be described by the other Significantly Rare categories W= Watch List Any other species believed to be rare and of conservation concern in the state but not warranting active monitoring at this time P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 12-13 T&E species summary Buncombe County Formatted SRW Page 6 of 6 TABLE 12-14 SURFACE WATER AND SEEPS ANALYTICAL RESULTS EPA AND 15A NCAC 2B RECOMMENDED WATER QUALITY CRITERIA FOR AQUATIC LIFE (ACUTE AND CHRONIC) ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Prepared by: MMS/KD F Checked by: MMS Notes: Analytical Parameter pH Temp Spec Card DO ORP Turbidity Alkalinity Aluminum DIS TOT Antimony DIS TOT Arsenic DIS TOT Barium DIS TOT Beryllium DIS TOT Bi Carbonate Alkalinity Boron DIS TOT DIS Cadmium' TOT Calcium TOT Carbonate Alkalinity Chloride Chromium** DIS TOT Cobalt DIS TOT Copper` DIS TOT Reporting Units S. U. Deg C umhnos/ mg/I my NTU mg/I ug/I ug/I ug/I ug/I ug/I ug/I ug/I ug/1 ug/I ug/I mg/I ug/I ug/I ug/I ug/I mg/I mg/I mg/I ug/I ug/I ug/I ug/1 mg/I mg/I EPA Region 4 Chronic 6.5-9 NE NE NE NE NE NE NE 87 160 NE 190* NE NE NE 0.53 NE NE 750 NE 0.66 NE NE NE 230 11 NE NE NE 0.00654 NE EPA Aquatic Life Acute NE NE NE NE NE NE NE NE 750 NE NE 340 NE NE NE NE NE NE NE NE 2 NE NE NE 860 16 NE NE NE 0.013 NE EPA Aquatic Life Chronic 6.5-9 NE NE NE NE NE NE NE 87 NE NE 150 NE NE NE NE NE NE NE NE 0.25 NE NE NE 230 11 NE NE NE 0.013 NE 15A NCAC 02B Acute 6-9 NE NE NE NE NE NE NE NE NE NE 340 NE NE NE 65 NE NE NE NE 0.82 NE NE NE NE 16 NE NE NE 0.0036 NE 15A NCAC 02B Chronic 6-9 NE NE NE NE NE NE NE NE NE NE 150 NE NE NE 6.5 NE NE NE NE 0.15 NE NE NE NE 11 NE NE NE 0.0027 NE Sample ID Sample Collection Date Field Parameters Analytical Results 0 C-02 04/06/2015 6.5 15 1451 7.28 220 1.04 so 7 137 <1 <1 <1 2.02 40 44 <1 <1 80 1880 1860 <1 <1 164 <10 130 <1 <1 22.2 21.7 <0.001 <0.001 0 SW -05 04/06/2015 8.1 18 1248 9.5 94 19.1 29 272 3180 6.47 7.11 50.6 81.1 225 280 <1 <1 29 1150 1180 <1 <1 64.1 <10 13 8.98 11.2 4.9 8.37 0.00157 0.00789 V SW -05 DUP 04/06/2015 8.1 18 1248 9.5 94 19.1 28 279 1380 6.54 7.09 51.5 77.9 221 246 <1 <1 28 1160 1170 <1 <1 63.7 <10 13 8.69 10.1 4.53 5.89 0.00187 0.00533 A-01 04/02/2015 6.1 12 1362 9.42 53 12.5 <10 20 3210 <1 <1 <1 <1 159 184 <1 1 <10 1510 1460 <1 <1 46.3 <10 100 <1 2.88 1.71 3.23 <0.001 0.00183 B-01 04/01/2015 7.1 20 1619 9 38 20.4 36 <5 468 <1 <1 <1 <1 115 119 <1 <1 36 4010 4200 <1 <1 296 <10 510 <1 <1 <1 <1 <0.001 <0.001 C-01 04/01/2015 7.1 16 1478 9.8 -44 6.66 76 11 735 <1 <1 <1 <1 46 48 <1 <1 76 1750 1730 <1 <1 158 <10 120 <1 <1 16 16.9 <0.001 <0.001 D-01 04/01/2015 6.4 15 1632 6.5 -21 3.67 54 17 74 <1 <1 <1 <1 72 73 <1 <1 54 1450 1460 <1 <1 94.4 <10 93 <1 <1 1.51 1.72 <0.001 <0.001 E-01 04/01/2015 6.8 20 1119 8.8 -13 4.42 25 <5 176 <1 <1 <1 <1 64 65 <1 <1 25 682 676 <1 <1 39.5 <10 31 <1 <1 <1 1.01 <0.001 <0.001 F-01 04/01/2015 6.0 14 1369 9.1 57 5.8 <10 22 200 <1 <1 <1 <1 52 51 <1 <1 <10 871 862 <1 <1 36.4 <10 19 <1 <1 1.29 1.61 <0.001 <0.001 F-02 04/01/2015 5.5 13 1343 6.7 141 5.03 13 27 49 <I <1 <1 <1 42 42 <1 <1 13 383 395 <1 <1 40.2 <10 14 <1 <1 <1 <1 <0.001 <0.001 FB -01 06/02/2015 6.6 19 40 8.18 92 34.6 11 136 1650 <1 <1 <1 <1 12 21 <1 <1 11 <50 <50 <1 <1 2.67 <10 2.6 <1 <1 <1 <1 <0.001 0.00127 FB -01 DUP 06/02/2015 6.8 19 40 8.18 92 34.6 <10 130 1180 <1 <1 <1 <1 12 19 <1 <1 <10 <50 <50 <1 <1 2.6 <10 2.5 <1 <1 <1 <1 <0.001 0.00102 'y FB -02 06/02/2015 6.9 20 40 7.92 102 35.4 10 139 1690 <1 <1 <1 <1 12 22 <1 <1 10 <50 <50 <1 <1 2.73 <10 2.6 <1 <1 <1 <1 <0.001 5.15E-03 v � K-01 04/06/2015 6.3 13 1254 6.62 33 1.66 <10 16 117 cl <1 <1 Q 47 47 <1 <1 QO 991 967 <1 <1 30 <70 13 cl <1 1.45 1.41 <0.001 <0.001 M-01 04/06/2015 6.4 13 1284 7.7 89 2.05 11 <5 26 <1 <1 <1 <1 39 44 <1 <1 11 855 775 <1 <1 38 <10 13 <1 <1 <1 <1 <0.001 <0.001 P-01 04/02/2015 7.0 13 864 9.82 43 9.12 15 27 335 <1 <1 <1 <1 30 32 <1 <1 15 52 51 <1 <1 7.05 <10 9.3 <1 <1 <1 <1 <0.001 <0.001 P-01 DUP 04/02/2015 7.0 13 864 9.82 43 9.12 15 26 348 <1 <1 <1 <1 29 32 <3 <1 15 53 51 <1 <1 6.79 <10 9.3 <1 <1 <1 <1 <0.001 <0.001 SW -01 04/02/2015 6.3 12 854 8.32 31 4.67 15 10 62 <1 <1 <1 <1 13 14 <1 <1 15 <50 <50 <1 <1 7.03 <10 7.8 <1 <1 <1 <1 <0.001 <0.001 SW -04 04/02/2015 5.5 12 1440 7.26 41 33.9 <10 7 1840 <1 <1 <1 <1 147 180 <1 <1 <10 1240 1210 <1 <1 66.7 <10 150 <1 1.76 <1 SW -06 04/09/2015 6.7 14 926 10.21 2137.7 14 143 1220 cl <1 <1 <1 18 23 <i <1 14 <50 <50 <1 cl 7.54 <10 9.8 <1 <1 <1 SW -07 04/09/2015 6.9 28 729 6.63 10 3.43 <10 24 61 <1 <1 <1 <1 12 12 <1 <1 <10 <50 <50 <1 <1 234 <10 it <1 <1 <1 U.48<0,0010.00171 SW -07 DUP 04/09/2015 6.9 28 729 6.63 10 3.43 36 24 124 <1 <1 <1 <1 12 13 <S cl 36 <50 <50 <1 cl 2.48 <10 11 <S <1 <1 0.00156 Prepared by: MMS/KD F Checked by: MMS Notes: * EPA Region 4 Surface Water Quality Criterion for arsenic is given in terms of As(III), and analytical results are in terms of dissolved arsenic ** EPA and NCAC 2B Water Quality Criteria are given in terms of dissolved Cr(VI), and analytical results are in terms of dissolved chromium Y Hardness dependent - concentrations compared to EPA criteria at a default hardness of 100 mg/L of CaCO3 and NCAC 2B criteria at a default hardness of 25 mg/L as CaCO3 Bold color highlighted concentrations indicate highest exceedance of the category listed below: 0 - EPA Region 4 Surface Water Quality Criteria - Chronic, Nov 2001 C�i - EPA Region 4 Surface Water Quality Criteria - Chronic, Nov 2001 - EPA National Recommended Water Quality Criteria, Aquatic Life - Acute, June 2015 - MDL is greater than EPA National Recommended Water Quality Criteria, Aquatic Life - Acute, June 2015 - EPA National Recommended Water Quality Criteria, Aquatic Life - Chronic, June 2015 0 - MDL is greater than EPA National Recommended Water Quality Criteria, Aquatic Life - Chronic, June 2015 - 15A NCAC 02B Criteria, Aquatic Life - Acute, January 2015 -I - MDL is greater than 15A NCAC 02B Criteria, Aquatic Life - Acute, January 2015 - - 15A NCAC 02B Criteria, Aquatic Life - Chronic, January 2015 F\M - MDL is greater than 15A NCAC 02B Criteria, Aquatic Life - Chronic, January 2015 Temp = Temperature S.U. = Standard Unit NTU = nephelometric turbidity unit Deg C = Degree Celsius ug/I = microgram per liter DO = Dissolved Oxygen mg/I = milligrams per liter umhos/cm = micro mhos per centimeter Spec Cord = Specific Conductance mV = millivolts ORP = Oxidative Reduction Potential < = concentration not detected at or above the reporting limit. NE = Not established OOR = Out of range Dup = Duplicate PADuke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 12-14 SW Seep EPA and 2B -Eco Page 1 of 2 TABLE 12-14 SURFACE WATER AND SEEPS ANALYTICAL RESULTS EPA AND 15A NCAC 2B RECOMMENDED WATER QUALITY CRITERIA FOR AQUATIC LIFE (ACUTE AND CHRONIC) ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Prepared by: MMS/KD F Checked by: MMS Notes: Analytical Parameter Iron DIS TOT Lead' DIS TOT Magnesium TOT Manganese DIS TOT Mercury (CVAFS) TOT Methane Molybdenum DIS TOT Nickel' DIS TOT Nitrate (as N) Potassium TOT Selenium DIS TOT Sodium TOT Strontium DIS TOT Sulfate Sulfide Thallium DIS TOT Total Dissolved Solids Total Organic Carbon Total Suspended Solids Vanadium DIS TOT Zinc' DIS TOT Dup = Duplicate Reporting Units ug/I ug/I ug/l ug/I mg/I ug/I ug/I ng/L ug/I ug/I ug/I ug/l ug/I mg-N/L mg/I ug/I ug/I mg/I mg/I mg/I mg/I mg/I ug/l ug/I mg/I mg/I mg/I ug/I ug/I mg/I mg/I EPA Region 4 Chronic 1000 NE 1.32 NE NE NE NE 12 NE NE NE 87.71 NE NE NE 5 NE NE NE NE NE 0.002 4 NE NE NE NE NE NE 0.059 NE EPA Aquatic Life Acute NE NE 65 NE NE NE NE 1400 NE NE NE 470 NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE 0.12 NE EPA Aquatic Life Chronic 1000 NE 2.5 NE NE NE NE 770 NE NE NE 52 NE NE NE 5 NE NE NE NE NE NE NE NE NE NE NE NE NE 0.12 NE 15A NCAC 02B Acute NE NE 14 NE NE NE NE NE NE NE NE 140 NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE 0.036 NE 15A NCAC 02B Chronic NE NE 0.54 NE NE NE NE 12 NE NE NE 16 NE NE NE NE 5 NE NE NE NE NE NE NE NE NE NE NE NE 0.036 NE Sample ID Sample Collection Date Analytical Results 0 C-02 04/06/2015 42 308 <1 41.1 8470 8390 1.54 <10 133 133 12.3 12.4 0.225 7.78 2.87 2.56 22.7 2.13 2.15 400 <0.5 <0.2 <0.2 920 0.535 6 <0.3 1.26 <0.005 <0.005 0 SW -05 04/06/2015 <10 1520 2.5 4.14 130 716 1.12 <10 94 93.7 9.26 13 0.986 10.9 24.8 25.4 10.9 0.385 0.416 170 <0.1 0.572 0.574 320 1 71 29.2 37.1 0.065 0.037 V SW -05 DUP 04/06/2015 <10 423 <1 4.08 119 308 2.16 <10 92 94.3 6.31 10.7 0.995 10.8 25.7 26.9 10.8 0.389 0.402 170 <0.1 0.402 0.505 310 1.1 30 29.5 33.5 0.01 0.012 A-01 04/02/2015 350 5670 A 2.26 19.3 483 552 36.7 <10 <1 <1 <1 2.99 0.91 2.57 5.16 6.18 9.56 0.308 031 72 <0.1 <0.2 <0.2 450 2.7 51 <0.3 3.61 0.005 0.02 B-01 04/01/2015 31 679 <1 60.6 54 92 10.4 <10 <1 <1 2.03 2.58 0.124 6.49 <1 <1 14.9 2.25 2.32 260 <0.1 <0.2 <0.2 2200 1.1 21 <0.3 0.804 <0.005 <0.005 C-01 04/01/2015 292 1360 <1 39.8 7060 7210 1.04 <10 109 115 10 10.7 0.194 7.37 2.46 2.64 24 1.82 1.9 360 <0.2 <0.2 <0.2 880 0.8 13 <0.3 1.08 0.006 0.009 D-01 04/01/2015 896 1220 <1 24.9 1460 1500 <0.5 <10 <1 <1 <1 <1 0.029 3.34 <1 <1 28 0.464 0.467 220 <0.1 <0.2 <0.2 1 570 1.2 7 <0.3 <0.3 0.011 <0.005 E-01 04/01/2015 398 1340 <1 12.3 2270 2220 3.62 12 <1 <1 <1 <1 <0.01 3.97 <1 <1 26.7 0.31 0.303 140 <0.1 <0.2 <0.2 310 2.7 110 <0.3 0.333 <0.005 <0.005 F-01 04/01/2015 625 1890 <1 13.9 908 928 1.69 <10 <1 <1 <1 <1 0.062 2.59 <1 <1 17.9 0.27 0.267 150 <0.1 <0.2 <0.2 290 0.893 13 <0.3 0.38 0.008 0.005 F-02 04/01/2015 549 688 <1 14 155 156 0.623 <10 <1 <1 <1 <1 0.035 1.73 <1 <1 12 0.18 0.187 150 <0.1 <0.2 <0.2 290 3 <5 <0.3 <0.3 <0.005 <0.005 FB -01 06/02/2015 211 1580 <1 0.827 17 52 3.96 11 <1 <1 <1 <1 0.398 1.16 <1 <1 2.91 0.018 0.02 1.6 <0.1 <0.2 <0.2 36 1.9 30 0.465 1.86 0.006 0.007 FB -01 DUP 06/02/2015 201 1160 � <1 0.818 17 39 3.21 12 <1 <1 <1 <1 0.376 1.15 <1 <1 2.85 0.018 0.019 1.4 <0.1 <0.2 0.202 40 1.9 26 0.38 1.65 0.008 0.007 y v FB -02 06/02/2015 211 1650 1.22 0.846 19 59 5.58 12 <1 <1 <1 <1 0.444 1.16 <1 <1 2.92 0.018 0.02 2.9 <0.1 <0.2 <0.2 36 1.9 40 0.373 1.93 0.014 0.014 C K-01 04/06/2015 153 356 � <1 11 630 618 2.8 <10 <1 <1 <1 1.02 0.11 2.28 <1 <1 16.6 0.272 0.268 140 <0.1 <02 <0.2 250 0.935 <5 <0.3 0.343 0.007 <0.005 M-01 04/06/2015 16 145 <1 12.8 50 135 6.7 <10 <1 <1 1.75 2.15 1.5 4.23 2.37 2.25 17.9 0.351 0.297 170 <0.1 <0.2 <0.2 280 0.666 <5 <0.3 <0.3 0.108 <0.005 P-01 04/02/2015 173 746 <1 2.81 23 59 2.12 <10 <1 <1 <1 <1 1.4 1.79 <1 <1 6.64 0.074 0.071 9.4 <0.1 <0.2 <0.2 66 1.3 13 <0.3 0.57 0.016 0.243 P-01 DUP 04/02/2015 170 765 <1 2.74 22 60 2.11 <10 <1 <1 <1 <1 1.4 1.73 <1 <1 6.49 0.073 0.072 9.3 <0.1 <0.2 <0.2 68 3.2 14 <0.3 0.586 0.006 0.084 SW -01 04/02/2015 398 948 <1 2.94 374 397 1.68 <10 <1 <1 <1 <1 0.025 1.25 <1 <1 7.25 0.039 0.04 19 <0.1 <0.2 <0.2 69 2.1 <5 <0.3 <0.3 0.086 <0.005 SW -04 04/02/2015 1130 20100 1.96 22 391 500 7.67 34 <1 <1 <1 1.6 0.236 2.52 2.31 9.56 0.404 0.404 64 <11.1 <0.2 <0.2 620 2.8 63 <0.3 2.77 0.013 0.013 SW -06 04/09/2015 236 1540 <1 2.09 59 68 4.12 <1" <1 <1 <1 <1 0.174 1.61 <1 <1 6.92 0.032 0.033 3.9 <0.1 <0.2 <0.2 73 2.9 11 <0.3 1.13 0.026 0.018 SW -07 04/09/2015 40 115 <1 2.1 6 8 <0.5 <10 <1 <1 <1 <1 0.253 1.89 <1 <1 7.18 0.022 0.022 5.2 <0.1 <0.2 0.209 48 1.8 <5 <0.3 0.304 0.047 <0.005 SW -07 DUP 04/09/2015 46 330 <1 2.14 7 11 <0.5 <10 <1 <1 <1 <1 0.251 1.92 <1 <1 7.73 0.022 0.021 5.2 <0.1 <0.2 <0.2 53 1.7 10 <0.3 0.452 0.012 0.018 Prepared by: MMS/KD F Checked by: MMS Notes: * EPA Region 4 Surface Water Quality Criterion for arsenic is given in terms of As(III), and analytical results are in terms of dissolved arsenic ** EPA and NCAC 2B Water Quality Criteria are given in terms of dissolved Cr(VI), and analytical results are in terms of dissolved chromium Y Hardness dependent - concentrations compared to EPA criteria at a default hardness of 100 mg/L of CaCO3 and NCAC 2B criteria at a default hardness of 25 mg/L as CaCO3 Bold color highlighted concentrations indicate highest exceedance of the category listed below: 0 - EPA Region 4 Surface Water Quality Criteria - Chronic, Nov 2001CI - EPA Region 4 Surface Water Quality Criteria - Chronic, Nov 2001 - EPA National Recommended Water Quality Criteria, Aquatic Life - Acute, June 2015 - MDL is greater than EPA National Recommended Water Quality Criteria, Aquatic Life - Acute, June 2015 ® - EPA National Recommended Water Quality Criteria, Aquatic Life - Chronic, June 2015 0 - MDL is greater than EPA National Recommended Water Quality Criteria, Aquatic Life - Chronic, June 201E 0 - 15A NCAC 02B Criteria, Aquatic Life - Acute, January 2015 0 - MDL is greater than 15A NCAC 02B Criteria, Aquatic Life - Acute, January 2015 - - 15A NCAC 02B Criteria, Aquatic Life - Chronic, January 2015 M\\q - MDL is greater than 15A NCAC 02B Criteria, Aquatic Life - Chronic, January 2015 Temp = Temperature S.U. = Standard Unit NTU = nephelometric turbidity unit Deg C = Degree Celsius ug/I = microgram per liter DO = Dissolved Oxygen mg/I = milligrams per liter umhos/cm = micro mhos per centimeter Spec Cord = Specific Conductance mV = millivolts ORP = Oxidative Reduction Potential < = concentration not detected at or above the reporting limit. NE = Not established OOR = Out of range Dup = Duplicate P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 12-14 SW Seep EPA and 2B -Eco Page 2 of 2 TABLE 12-15 SOILS (0-2') ANALYTICAL RESULTS WITH SCREENING CRITERIA - EPA REGION 4 RECOMMENDED SCREENING VALUES FOR SOIL - ECOLOGICAL ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Prepared by: MMS/KDF Checked by: MMS Notes: Bold color highlighted concentrations indicate highest exceedance of the category listed below: EPA Region 4 Criteria - Soil - MDL is greater than EPA Region 4 Criteria - Soil Dup = Duplicate NE = Not established mg/kg = miligram per kilogram S.U. = Standard Units j = indicates concentration reported below Practical Quantitation Limit (PQL), but above Method Detection Limit (MDL) and therefore concentration is estimated. < = concentration not detected at or above the reporting limit. P:\Duke Energy Progress. 1026\102, Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 12-15 Soils (0-2) EPA -Eco Page 1 of 1 Analytical Parameter Percent Moisture pH at 25 Degrees C Aluminum Antimony Arsenic Barium Beryllium Boron Cadmium Calcium Chloride Chromium Cobalt Copper Iron Lead Magnesium Manganese Mercury Molybdenum Nickel Nitrate as N) Potassium Selenium Sodium Strontium Sulfate Thallium Total Organic Carbon Vanadium Zinc Reporting Units % S.U. mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg EPA Region 4 Soil Criteria NE NE 50 3.5 10 165 1.1 0.5 1.6 NE NE 0.4 20 40 200 50 NE 100 0.1 2 30 NE NE 0.81 NE NE NE 1 NE 2 50 Sample ID Sample Collection Date Analytical Results AB -10 SB ASH 03/25/2015 29.5 7.5 1740 <1.7 96.7 7.4 0.056j <1.7 0.38j 54.6 <177 1.5 13.5 6.5 12600 17.7 889 14.5 0.23 <0.35 1.9 <17.7 748 12.2 <34.8 0.51j <177 <1.7 64800 66 8.8 ABMW-04 SB (1.5-2) 03/20/2015 26.5 7.7 13000 <1.8 28.9 296 1.5 10.4j <0.21 1800 <168 23.9 6.5 19 16800 11.8 1290 121 0.17 0.91 7.9 <16.8 1740 3.3j 167 79.3 <168 <1.8 71100 52.1 24.8 u MW -07 SB (1-2) 04/07/2015 31.7 5.3 18600 <3.7 <3.7 85.9 0.79 <9.4 <0.45 268 <184 25.5 10.7 11.8 18600 14.5 2210 162 0.023 0.82 9.4 <18.4 1740 <3.7 <37.5 2.3 <184 <3.7 8260 39.4 37.4 a MW -08 SB (1.5-2) 02/27/2015 25.6 5.4 27800 <0.67 <6.7 38.7 0.76 <16.8 <0.081 186j <166 55.1 39.4 38.1 65200 23.6 383 931 0.057 <3.4 3j <16.6 <336 <6.7 <336 <3.4 <166 <0.67 2150 75 15 MW -09 SB (1-2) 03/31/2015 26.3 6.4 34200 <3.3 <3.3 75.2 0.82 <8.4 <0.4 102 j <169 17.8 29.6 33 39200 12.9 3000 548 0.02 <1.7 10.2 <16.9 2740 <3.3 <167 2.4 j <169 <3.3 442 j 48.6 55.7 MW -12 SB (1.5-2) 03/16/2015 22.7 7.3 26200 <1.6 3.6 1 205 1.9 1 <16 <0.19 1 1390 246j 1 22.2 24 1 11.3 32500 1 12.5 7290 664 0.0079j <3.2 19.7 <16 6990 5.1 <320 31.6 204j <1.6 4180 35.3 128 CB -09 SB (1-2) 04/12/2015 28.8 5.2 16800 <1.8 2.3j 49.7 0.56 <9 <0.21 <89.5 <174 38.8 20.3 13.5 40300 27.5 326 599 0.06 <1.8 2 <17.4 290j <1.8 <179 2.1j <174 <1.8 3350 55.9 10.7 GW -01 SB(1-2) 04/25/2015 19.6 7.8 21400 <3.1 3.7 j 157 1.2 31.4 0.51 j 8500 <155 28.7 18.6 48.5 33000 48.7 7490 486 0.12 <1.6 15.5 <15.5 4750 <3.1 <157 18.1 <155 <3.1 28600 39.9 206 MW -01 SB (1-2) 04/02/2015 16 5.0 21600 <3.1 <3.1 36.4 2.6 <31.2 <0.37 <312 <148 19.9 228 192 108000 12.5 <312 4000 0.0095 j <6.2 34.8 <14.8 <623 4.5 j <623 <6.2 <148 <3.1 9390 15.8 109 MW -02 SB (1-2) 03/20/2015 18.8 7.6 9800 <1.6 60.5 371 2.6 9.2j 0.24j 3340 <154 20.2 9.7 33.6 11200 13.4 1260 147 0.19 0.54j 13.3 <15.4 2080 8.3 225 161 <154 I <1.6 80700 49.6 30.5 MW -03 SB (1-2) 03/25/2015 14 4.5 16800 <1.5 2.9j 93.5 0.53 25.5 <0.18 102 <147 17.2 7.7 10 27000 13.1 762 135 0.024 <0.3 3.6 <14.7 687 1.9j <149 2.3 <147 <1.5 5550 28.8 24.1 MW-11SB(1.5-2) 02/04/2015 10.9 7.2 18100 <0.52 1.4j 112 0.51 20.4j <0.15 975 <124 18.5 10.1 5.9 20900 7.3 5470 190 0.018 <2.6 13.6 <12.4 4470 1.6j <258 3.6j <124 <0.52 2030 26 62.4 MW-13SB(1.5-2) 01/29/2015 13.5 6.9 12700 <0.5 <1.3 36.3 0.4 36.4 <0.15 664 <124 41.7 11 21.4 36200 12.7 622 215 0.041 <0.25 3.3 <12.4 372 <1.3 <251 1.8 <124 <0.5 4470 45 10.7 "y MW -1456 (1.5-2) 02/03/2015 25.7 6.4 21000 <0.5 2.2j 113 0.72 31.1 <0.15 167j <124 36.1 31.8 66.2 32200 12.1 4840 616 0.011 <2.5 16.4 <12.4 3790 2.9 <251 <2.5 <124 <0.5 1580 41.5 85.6 d C MW -15 SB (1.5-2) 02/06/2015 35.5 5.5 10200 <0.79 <0.79 59.9 0.98 <2 <0.095 218 <193 7.9 5.3 4 8710 6.1 1840 161 <0.0063 <0.4 4.5 1 <19.3 1050 <0.79 <39.6 2.3 <193 <0.79 8950 16.4 30 MW -15 SB (1.5-2) DUP 02/06/2015 19.6 5.1 8940 <0.64 <0.64 51 1 <1.6 <0.077 210 <152 6.8 5 3.3 7570 5.9 1570 137 0.011 <0.32 3.9 <15.2 924 <0.64 <32.1 2 <152 <0.64 8330 15.5 25.7 MW-16SB(1.5-2) 03/05/2015 31.2 5.7 6330 1 <0.73 <0.73 26.4 0.41 3.9 <0.087 94 <179 5.3 2.7 2.5 6590 3.4 1310 81.2 0.0089j <0.36 3.4 <17.9 809 <0.73 <36.4 1.2 <179 <0.73 4170 11.3 19.2 MW -17 SB (1.5-2) 02/12/2015 27.1 6.1 11500 <0.68 3.9 58.6 0.91 <1.7 <0.081 1070 <174 9.5 5.4 6.7 11900 9.1 2100 160 0.026 1.4 5.6 <17.4 1470 1.7 <33.9 7.1 <174 <0.68 5160 23.6 34.1 MW -18 SB (1-1.5) 04/22/2015 19.4 5.9 9180 <3.2 <3.2 39.4 0.56 <8.1 <0.39 174 <154 8.3 3.6j 2.7 9190 3.3j 2220 77.2 <0.0049 <1.6 4.7 <15.4 1350 <3.2 1 <162 2.6j <154 <3.2 1650 12.7 26 MW -22 (1-2) 06/23/2015 16.5 5.7 15100 <2.9 3j 112 0.92 <7.4 <0.35 330 <148 17.7 9.7 9.4 17600 11.8 1740 716 0.035 <1.5 9.6 <14.8 1330 <2.9 <147 3.4 <148 <2.9 4360 25.6 33.3 MW-24SB (1-2) 05/04/2015 26.3 6.4 21500 <3.5 4.6j 125 1.9 36.6 <0.42 1020 <167 48.6 40.2 33.8 35100 37.5 5430 728 0.03 <3.5 21.9 <16.7 3900 7 <174 6.8 <167 <3.5 6940 66.4 101 Prepared by: MMS/KDF Checked by: MMS Notes: Bold color highlighted concentrations indicate highest exceedance of the category listed below: EPA Region 4 Criteria - Soil - MDL is greater than EPA Region 4 Criteria - Soil Dup = Duplicate NE = Not established mg/kg = miligram per kilogram S.U. = Standard Units j = indicates concentration reported below Practical Quantitation Limit (PQL), but above Method Detection Limit (MDL) and therefore concentration is estimated. < = concentration not detected at or above the reporting limit. P:\Duke Energy Progress. 1026\102, Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 12-15 Soils (0-2) EPA -Eco Page 1 of 1 TABLE 12-16 SEDIMENT ANALYTICAL RESULTS WITH SCREENING CRITERIA EPA REGION 4 SOIL SCREENING LEVELS EPA REGION 4 RECOMMENDED ECOLOGICAL SCREENING VALUES ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Prepared by: MMS/KDF Checked by: MMS Notes: Bold highlighted concentrations indicate highest exceedance of the category listed below: - EPA Region 4 Soil Screening Levels - EPA Region 4 Effects Value - MDL is greater than EPA Region 4 Soil Screening Levels - MDL is greater than EPA Region 4 Effects Value Dup = Duplicate mg/kg = miligram per kilogram NE = Not established j = indicates concentration reported below Practical Quantitation Limit (PQL), but above Method Detection Limit (MDL) and therefore concentration is estimated. < = concentration not detected at or above the reporting limit. S.U. = Standard Units P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 12-16 Sediment (0-2) RSL -Eco Page 1 of 1 Analytical Parameter Percent Moisture pH at 25 Degrees C Aluminum Antimony Arsenic Barium Beryllium Boron Cadmium Calcium Chloride Chromium Cobalt Copper Iron Lead Magnesium Manganese Mercury Molybdenum Nickel Nitrate (as N) Potassium Selenium Sodium Strontium Sulfate Thallium Total Organic Carbon Vanadium Zinc Reporting Units / S.U. mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg EPA Region 4 Soil Criteria NE NE 50 3.5 10 165 1.1 0.5 1.6 NE NE 0.4 20 40 200 50 NE 100 0.1 2 30 NE NE 0.81 NE NE NE 1 NE 2 50 EPA Region 4 Effects Value NE NE NE 2 7.24 NE NE NE 0.676 NE NE 52.3 NE 18.7 NE 30.2 NE NE 0.13 NE 15.9 NE NE NE NE NE NE NE NE NE 124 Sample ID Sample Collection Date Analytical Results C-02 04/06/2015 38.1 6.7 12800 12 463 2380 2.7j <99.6 9.5 1870] <205 <10 455 149 16600 16.1 1710j 34600 0.0074j 491 219 <20.5 2110j 27.3 <1990 194 357j 9.8 22300 306 320 0 SW -05 04/06/2015 29.8 6.8 8830 <3.6 29.8 177 1 <8.9 <0.43 1850 <176 8.7 12.7 11.5 12600 5.6 j 2360 325 0.059 1.9 j 12 <17.6 3690 <3.6 <178 35.7 182 j <3.6 22800 29.4 50.3 SW -05 DUP 04/06/2015 19.5 7 3960 <3.1 5 j 40.2 0.32 <7.7 <0.37 1520 <152 2.3 <3.1 5.5 7200 <3.1 1570 174 <0.0047 <1.5 2.1 <15.2 2580 <3.1 <153 6.8 <152 <3.1 2320 10.8 24 A-01 04/02/2015 77.4 6.2 10900 <11.4 <11.4 97.9 1.9 <28.5 <1.4 1420 591j 12 <11.4 6.1 17900 <11.4 2410 238 0.16 <5.7 6.4 <55.5 1280 <11.4 <571 12.3 <555 <11.4 62300 17.6 j 46.5 B-01 04/01/2015 45.1 6.4 6430 <2.3 <2.3 47.9 0.8 28.7 <0.27 2840 526 11 9.7 7.9 13900 6.4 j 1710 398 0.21 <2.3 10 <22.7 707 2.8 j <226 26 552 <2.3 9630 12.9 27.4 C-01 04/01/2015 79.3 6.4 17700 <11.9 108 152 1.8 j 126 1.8 j 3930 675 j 16.5 31.7 28.6 77500 17.2 j 2790 1060 0.041 86.6 22.1 <61.5 1590 j 32 <1190 56.4 721 j <11.9 56400 42.3 113 D-01 04/01/2015 42.9 6.2 12100 <2.1 2.8 j 56.2 1.1 <10.6 <0.25 942 <216 10.3 4.4 5.7 11100 5.6 j 2370 225 0.015 3.7 j 6.6 <21.6 1040 2.2 j <212 6.7 282 j <2.1 10700 19 30.5 E-01 04/01/2015 70.5 6.8 15000 <4.1 <4.1 100 1.4 40.6 j <0.49 1730 <422 11.8 9.3 18.2 39400 12.7 j 2530 831 0.031 <4.1 7.9 <42.2 1740 5.4 j <406 18.2 521 j <4.1 62700 21.4 70.8 F-01 04/01/2015 56.2 5.4 8710 <2.7 11.5 66.9 0.83 36 <0.33 1080 <284 12.3 12.5 10.5 36800 8.2 j 1890 735 0.038 <2.7 6.4 <28.4 1210 13 <274 11.2 508 j <2.7 22000 14.7 42.1 F-02 04/01/2015 28.6 6.1 5870 <3.6 <3.6 28.7 0.39 <9 <0.43 772 <170 5.5 <3.6 3.1 6590 3.7j 1350 55.5 0.0085j <1.8 3.1 <17 588 <3.6 <181 4.1 <170 <3.6 15200 9.5 16.7 FB -01 06/02/2015 30.2 6 4660 <3.5 <3.5 41.4 0.47 <8.9 <0.42 552 <179 4.4 <3.5 3.8 6190 4.5 j 1030 324 0.021 <1.8 3 <17.7 870 <3.5 <177 5.1 <179 <3.5 2220 7.9 27 FB -01 DUP 06/02/2015 29.8 5.9 2500 <3.6 <3.6 17.5 0.21 j <8.7 <0.43 121j <178 3.6 <3.6 2.2 3320 <3.6 539 110 0.014 <1.7 1.7 j <17.8 490 <3.6 <174 <1.7 <178 <3.6 1470 6.1 j 18.6 'y FB -02 06/02/2015 25.7 6.1 1720 <3.3 <3.3 13.6 <0.17 <8.6 <0.4 124 j <168 2.6 <3.3 1.5 j 2500 <3.3 319 179 0.018 <1.7 1.2 j <16.7 327 j <3.3 <172 <1.7 <168 <3.3 1080 5.1 j 11.7 d � K-01 04/06/2015 77.6 5.2 16200 <11.6 12.8 j 101 1.2 j <29.1 <1.4 1660 <548 34.1 19.S! 22.2 24900 21.5 j 2590 1070 0.043 <5.8 12.8 <54.5 1520 19.2 j <581 23.5 673 j <11.6 54700 39.3 68.8 M-01 04/06/2015 21.2 6.4 13400 <3.2 <3.2 80.7 0.77 <8 <0.38 643 <159 29.6 40.5 13.7 27800 7.3 2980 1150 0.031 <1.6 12.9 <15.9 2140 9.7 <159 5.5 159j <3.2 3320 27.6 51.3 P-01 04/02/2015 77.4 6.8 31900 <11.2 <11.2 300 2.5 <27.9 <1.3 2640 <544 44.5 58.1 39 62000 21.9j 5840 3320 0.082 <5.6 22.6 <54.4 4310 <11.2 <558 35.7 <544 <11.2 56300 57.1 197 P-01 DUP 04/02/2015 35.8 6.4 9900 <3.7 <3.7 96 0.8 <9.3 <0.45 870 <194 20.6 16.5 11.8 21000 6.6 j 1680 960 0.03 <1.9 7.7 <19.4 1270 <3.7 <187 12 <194 <3.7 15800 18.5 61.2 SW -01 04/02/2015 52.2 4.3 11900 <5 <5 113 0.8 <12.4 2.7 698 <264 27.2 10.5 13 23400 9.4j 3480 375 0.033 <2.5 9.6 <26.4 2870 <5 <249 5.3 <264 <5 6370 21.8 83.4 SW -04 04/02/2015 83.3 6.1 17600 <14.3 <14.3 204 2.8 <35.7 <1.7 5250 962 j 19.2 20.1 j 22.1 43800 19.1 j 3480 345 0.32 <7.1 10.8 <74 2140 28.7 <714 40.4 <740 <14.3 131000 35.5 93.9 SW -06 04/09/2015 29.5 6.5 2370 <3.4 <3.4 21.9 0.14 3.4 <0.4 190 <174 6 <3.4 4.3 4690 <3.4 765 86.2 0.0099j <0.34 2.4 <17.4 749 <3.4 <33.6 1.8 <174 <3.4 2070 8 25.2 SW -07 04/09/2015 31.4 5.6 5790 <3.6 <3.6 37.6 1.1 <9 <0.43 190 <180 22.6 7.4 13.8 23800 10.3 1830 99.9 <0.0056 2 6.5 <18 1600 <3.6 <35.9 1.5 <180 <3.6 4650 23.9 47.2 SW -07 DUP 04/09/2015 38.1 5.7 8290 <4.2 <4.2 70.1 0.94 <10.6 <0.51 326 <203 37.8 10.1 17.5 18300 11.7 3690 141 <0.0064 3.9 13.1 <20.3 3200 <4.2 <42.3 2.5 <203 <4.2 1 6380 29.4 69.6 Prepared by: MMS/KDF Checked by: MMS Notes: Bold highlighted concentrations indicate highest exceedance of the category listed below: - EPA Region 4 Soil Screening Levels - EPA Region 4 Effects Value - MDL is greater than EPA Region 4 Soil Screening Levels - MDL is greater than EPA Region 4 Effects Value Dup = Duplicate mg/kg = miligram per kilogram NE = Not established j = indicates concentration reported below Practical Quantitation Limit (PQL), but above Method Detection Limit (MDL) and therefore concentration is estimated. < = concentration not detected at or above the reporting limit. S.U. = Standard Units P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 12-16 Sediment (0-2) RSL -Eco Page 1 of 1 TABLE 12-17 MATRIX FOR DETERMINATION OF CONSTITUENTS OF POTENTIAL CONCERN - ECOLOGICAL ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Analytical Parameter phl Aluminum[Antimony Arsenic Barium Beryllium Boron Cadmium Calcium Chloride Chromium Cobalt Copper Iron Lead Magnesium Manganese Mercury Methane Molybdenum Nickel N Nitrate itN) Potassium Selenium Sodium Strontium Sulfate Sulfide Thallium Total Organic Carbon Vanadium Zinc Medium/Basis for COPC Designation Soil Concentration exceeds screening value ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ MDL Exceeds screening value ✓ ✓ ✓ ✓ ✓ No screening value ✓ ✓ ✓ ✓ ✓ ✓ Sediment Concentration exceeds screening value ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ MDL Exceeds screening value ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ No screening value ✓ ✓ ✓ ✓ ✓ ✓ Surface Water Concentration exceeds screening value ✓ ✓ ✓ ✓ ✓ ✓ ✓ MDL Exceeds screening value ✓ ✓ ✓ ✓ No screening value ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ Seep Concentration exceeds screening value ✓ ✓ ✓ ✓ ✓ ✓ ✓ MDL Exceeds screening value ✓ ✓ ✓ ✓ No screening value ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ Prepared by: MMS/KD F Checked by: MMS Notes: Constituent determined to be a COPC due to exceedance of one or more screening criteria at one or more sample locations ✓ Constituent determined to be a tentative COPC due to a lack of screening criteria Constituent not determined to be a COPC due to no exceedances of any screening criteria at any sample locations Based on data from Tables 12-14 through 12-16 P:\Duke Energy Progress. 1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 12-17 Determin COPS Matrix -Eco Page 1 of 1 TABLE 16-1 RECOMMENDED GROUNDWATER MONITORING PARAMETERS ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC PARAMETER I RL JUNITS IMETHOD FIELD PARAMETERS pH NA Su Field Water Quality Meter Specific Conductance NA µS/cm Field Water Quality Meter Temperature NA 0C Field Water Quality Meter Dissolved Oxygen NA mg/L Field Water Quality Meter Oxidation Reduction Potential NA mV Field Water Quality Meter Turbidity NA NTU Field Water Quality Meter INORGANICS Aluminum 0.005 mg/L EPA 200.7 or 6010C Antimony 0.001 mg/L EPA 200.8 or 6020A Arsenic 0.001 mg/L EPA 200.8 or 6020A Barium 0.005 mg/L EPA 200.7 or 6010C Beryllium 0.001 mg/L EPA 200.8 or 6020A Boron 0.05 mg/L EPA 200.7 or 6010C Cadmium 0.001 mg/L EPA 200.8 or 6020A Chromium 0.001 mg/L EPA 200.7 or 6010C Cobalt 0.001 mg/L EPA 200.8 or 6020A Copper 0.001 mg/L EPA 200.8 or 6020A Iron 0.01 mg/L EPA 200.7 or 6010C Lead 0.001 mg/L EPA 200.8 or 6020A Manganese 0.005 mg/L EPA 200.8 or 6020A Mercury 0.0005 mg/L EPA 245.1 Molybdenum 0.001 mg/L EPA 200.8 or 6020A Nickel 0.001 mg/L EPA 200.7 or 6010C Selenium 0.001 mg/L EPA 200.8 or 6020A Silver 0.001 mg/L EPA 200.8 or 6020A Thallium (low level) 0.0002 mg/L EPA 200.8 or 6020A Vanadium 0.0003 mg/L EPA 200.8 or 6020A Zinc 0.005 mg/L EPA 200.7 or 6010C ANIONS/CATIONS Alkalinity (as CaCO3) 20 mg/L SM 2320B Bicarbonate 20 mg/L SM 2320 Calcium 0.01 mg/L EPA 200.7 Carbonate 20 mg/L SM 2320 Chloride 0.1 mg/L EPA 300.0 or 9056A Magnesium 0.005 mg/L EPA 200.7 Nitrate as Nitrogen 0.023 mg-N/L EPA 300.0 or 9056A Potassium 0.1 mg/L EPA 200.7 Sodium 0.05 mg/L EPA 200.7 Sulfate 0.1 mg/L EPA 300.0 or 9056A Total Dissolved Solids 25 mg/L SM 2540C Total Organic Carbon 0.1 mg/L SM 5310 Total Suspended Solids 12 1 m /L ISM 2450D Prepared by: RBI Checked by: BDW Notes: 1. Select constituents will be analyzed for total and dissolved concentrations. NA indicates not applicable. P \Duke Energy Progress.1026\102. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 16-1 Recommended Groundwater Monitoring Parameters.xlsx Page 1 of 1 TABLE 16-2 RECOMMENDED GROUNDWATER MONITORING LOCATIONS ASHEVILLE STEAM ELECTRIC PLANT DUKE ENERGY PROGRESS, LLC, ARDEN, NC Section Monitoring Well ID Geologic Unit Monitored Rationale Running Count B MW -11 Alluvium Downslope of ash basin, adjacent to French Broad 1 B MW -11D Transition Zone Downslope of ash basin, adjacent to French Broad 2 B MW -15A Alluvium Downslope of ash basin, adjacent to French Broad 3 B MW -15D Transition Zone Downslope of ash basin, adjacent to French Broad 4 B,C MW -16A Alluvium Downslope of ash basin, adjacent to French Broad 5 B,C MW-16BR Transition Zone Downslope of ash basin, adjacent to French Broad 6 B MW -17A Alluvium Downslope of ash basin, adjacent to French Broad 7 B,E MW -18D Transition Zone Downslope of ash basin, adjacent to French Broad 8 B,E MW-18BR Bedrock Downslope of ash basin, adjacent to French Broad 9 B CB -07 Alluvium Downslope of ash basin, adjacent to French Broad 10 B CB -06 Alluvium Downslope of ash basin, adjacent to French Broad 11 B MW -20A Alluvium Downslope of ash basin, adjacent to French Broad 12 D CB -05 Alluvium Downslope of ash basin, adjacent to French Broad 13 B MW -21D Transition Zone Downslope of ash basin in southwest direction 14 B MW -22D Transition Zone Downslope of ash basin in southwest direction 15 B MW-22BR Bedrock Downslope of ash basin in southwest direction 16 D CB -04 Saprolite Downslope of ash basin in southwest direction 17 D CB -04B Bedrock Downslope of ash basin in southwest direction 18 D MW -05D Transition Zone Downslope of ash basin in southwest direction 19 D MW-05BR Bedrock Downslope of ash basin in southwest direction 20 D MW -03D Transition Zone Downslope of ash basin in southwest direction 21 MW-23DU Transition Zone Monitor contaminant migration south of ash basin 22 MW-23DL Transition Zone Monitor contaminant migration south of ash basin 23 MW -24S Saprolite Determine background concentrations upland of basins 24 CB -01 Saprolite Monitor contaminant migration east of ash basins 25 CB -01D Transition Zone Monitor contaminant migration east of ash basins 26 D GW -01 Transition Zone Determine background concentrations upland of basins 27 D GW -01D Transition Zone Determine background concentrations upland of basins 28 D GW-01BR Bedrock Determine background concentrations upland of basins 29 C CB -09 Saprolite Determine background concentrations upland of basins 30 C CB-09SL Saprolite Determine background concentrations upland of basins 31 C CB-09BR Bedrock Determine background concentrations upland of basins 32 MW -13D Transition Zone Monitor contaminant migration northwest of basins 33 MW-13BR Bedrock Monitor contaminant migration northwest of basins 34 CB -08 Transition Zone Monitor contaminant migration northwest of basins 35 CB-08BR Bedrock Monitor contaminant migration northwest of basins 36 A,C MW -12D Transition Zone Adjacent to 1964 basin, intersecting flow path to French Broad 37 C MW -09S Saprolite Adjacent to 1964 basin, intersecting flow path to French Broad 38 C MW -09D Transition Zone Adjacent to 1964 basin, intersecting flow path to French Broad 39 C MW-09BR Bedrock Adjacent to 1964 basin, intersecting flow path to French Broad 40 C MW -08S Saprolite Adjacent to 1964 basin, intersecting flow path to French Broad 41 GW -2 Bedrock Adjacent to 1964 basin, intersecting flow path to French Broad 42 GW -3 Saprolite Adjacent to 1964 basin, intersecting flow path to French Broad 43 A MW-14BR Bedrock Monitor contaminant migration northwest of basins 44 MW -10 Alluvium Determine background concentrations upland of basins 45 AMW-3B Bedrock Determine background concentrations upland of basins 46 Prepared by: BDW Checked by:TDP File: P:\Duke Energy Progress. 1 026\1 02. Asheville Ash Basin GW Assessment Plan\1.11 CSA Reporting\tables\Table 16-2 Recommended Groundwater Monitoring Locations Page 1 of 1