1812_DukeMarshall_2023Q3_GWCR_AppD_FID1820337_20231031

Well ID Analyte Number of Samples Non-Detects Detects Percent Non-Detects Is Trend Analysis Applicable? Two-Sided P Value S Value Trend Conclusion
CLF-301 Groundwater Elevation 114 0 114 0 Yes 1.27275967332759E-19 -3701 Statistically significant decreasing trend
CLF-303 Groundwater Elevation 41 0 41 0 Yes 0.0520010255277157 -174 Statistically significant decreasing trend
CLF-304 Groundwater Elevation 41 0 41 0 Yes 0.000325081375194713 -321 Statistically significant decreasing trend
CLF-305 Groundwater Elevation 78 0 78 0 Yes 0.000106877814687323 -899 Statistically significant decreasing trend
CLF-306 Groundwater Elevation 78 0 78 0 Yes 0.00631448067724705 -633 Statistically significant decreasing trend
CLF-307 Groundwater Elevation 78 0 78 0 Yes 6.66872481715208E-13 -1664 Statistically significant decreasing trend
CLF-401 Groundwater Elevation 114 0 114 0 Yes 0 -5343 Statistically significant decreasing trend
CLF-402 Groundwater Elevation 114 0 114 0 Yes 0 -5669 Statistically significant decreasing trend
CLF-UD Groundwater Elevation 73 0 73 0 Yes 0.0180206298828125 141 Statistically significant increasing trend
CLF21-10 Groundwater Elevation 112 0 112 0 Yes 2.83276061028431E-13 -2905 Statistically significant decreasing trend
CLF21-11 Groundwater Elevation 112 0 112 0 Yes 2.11402820265893E-22 -3873 Statistically significant decreasing trend
CLF21-12 Groundwater Elevation 112 0 112 0 Yes 0.00134611129760742 1276 Statistically significant increasing trend
CLF21-13/R Groundwater Elevation 112 0 112 0 Yes 0.46680361032486 - Stable, no significant trend
CLF21-14 Groundwater Elevation 112 0 112 0 Yes 0 3489 Statistically significant increasing trend
CLF21-15 Groundwater Elevation 94 0 94 0 Yes 4.02428268486688E-09 -1802 Statistically significant decreasing trend
CLF23-405 Groundwater Elevation 31 0 31 0 Yes 1.62923700138679E-12 -411 Statistically significant decreasing trend
CLF23-406 Groundwater Elevation 31 0 31 0 Yes 4.35348588775919E-12 -403 Statistically significant decreasing trend
CLF23-407 Groundwater Elevation 28 0 28 0 Yes 0.540238618850708 - Stable, no significant trend
CLF23-408 Groundwater Elevation 28 0 28 0 Yes 5.10602319536702E-07 -253 Statistically significant decreasing trend
GWA-4D Groundwater Elevation 114 0 114 0 Yes 5.10354744576169E-11 -2683 Statistically significant decreasing trend
GWA-4S Groundwater Elevation 114 0 114 0 Yes 9.02939425702701E-14 -3045 Statistically significant decreasing trend
ILF-02D Groundwater Elevation 114 0 114 0 Yes 8.57313655201469E-21 -3820 Statistically significant decreasing trend
ILF-02S Groundwater Elevation 114 0 114 0 Yes 1.0083115986139E-20 -3813 Statistically significant decreasing trend
MW-04 Groundwater Elevation 114 0 114 0 Yes 0 -4928 Statistically significant decreasing trend
MW-04D Groundwater Elevation 114 0 114 0 Yes 0 -5135 Statistically significant decreasing trend
MW-07(OB-3) Groundwater Elevation 89 0 89 0 Yes 0 -3743 Statistically significant decreasing trend
Notes: Prepared by: RSB Checked by: GTC
Detection limits were adjusted in accordance with USEPA guidelines
Well ID Analyte Number of Samples Non-Detects Detects Percent Non-Detects Is Trend Analysis Applicable? Two-Sided P Value S Value Trend Conclusion
CLF-301 Groundwater Elevation 13 0 13 0 Yes 0.000184844408067875 -57 Statistically significant decreasing trend
CLF-303 Groundwater Elevation 0 0 0 NA No - - Cannot Analyze for Trends
CLF-304 Groundwater Elevation 0 0 0 NA No - - Cannot Analyze for Trends
CLF-305 Groundwater Elevation 13 0 13 0 Yes 0.127203688025475 - Stable, no significant trend
CLF-306 Groundwater Elevation 13 0 13 0 Yes 2.63127776634065E-06 -78 Statistically significant decreasing trend
CLF-307 Groundwater Elevation 13 0 13 0 Yes 4.74706348541076E-06 -76 Statistically significant decreasing trend
CLF-401 Groundwater Elevation 13 0 13 0 Yes 4.74706348541076E-06 -76 Statistically significant decreasing trend
CLF-402 Groundwater Elevation 13 0 13 0 Yes 2.63127776634065E-06 -78 Statistically significant decreasing trend
CLF-UD Groundwater Elevation 0 0 0 NA No - - Cannot Analyze for Trends
CLF21-10 Groundwater Elevation 13 0 13 0 Yes 0.000198009860469028 -62 Statistically significant decreasing trend
CLF21-11 Groundwater Elevation 13 0 13 0 Yes 0.00186169147491455 52 Statistically significant increasing trend
CLF21-12 Groundwater Elevation 13 0 13 0 Yes 0.951352119445801 - Stable, no significant trend
CLF21-13/R Groundwater Elevation 13 0 13 0 Yes 1 - Stable, no significant trend
CLF21-14 Groundwater Elevation 13 0 13 0 Yes 0.00334426015615463 -40 Statistically significant decreasing trend
CLF21-15 Groundwater Elevation 9 0 9 0 Yes 0.00805086828768253 -24 Statistically significant decreasing trend
CLF23-405 Groundwater Elevation 13 0 13 0 Yes 0.0020378849003464 -42 Statistically significant decreasing trend
CLF23-406 Groundwater Elevation 13 0 13 0 Yes 0.0020378849003464 -42 Statistically significant decreasing trend
CLF23-407 Groundwater Elevation 13 0 13 0 Yes 0.000121262353786733 -64 Statistically significant decreasing trend
CLF23-408 Groundwater Elevation 13 0 13 0 Yes 0.10907256603241 - Stable, no significant trend
GWA-4D Groundwater Elevation 13 0 13 0 Yes 0.0123715791851282 -42 Statistically significant decreasing trend
GWA-4S Groundwater Elevation 13 0 13 0 Yes 0.000198009860469028 -62 Statistically significant decreasing trend
ILF-02D Groundwater Elevation 13 0 13 0 Yes 0.00604371912777424 -46 Statistically significant decreasing trend
ILF-02S Groundwater Elevation 13 0 13 0 Yes 0.00122295704204589 -54 Statistically significant decreasing trend
MW-04 Groundwater Elevation 13 0 13 0 Yes 0.00279493443667889 -50 Statistically significant decreasing trend
MW-04D Groundwater Elevation 13 0 13 0 Yes 1 - Stable, no significant trend
MW-07(OB-3) Groundwater Elevation 0 0 0 NA No - - Cannot Analyze for Trends
Notes: Prepared by: RSB Checked by: GTC
Detection limits were adjusted in accordance with USEPA guidelines