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HomeMy WebLinkAboutNCS000508_Monitoring Data_20191227Supplemental Information Required for Renewal of Individual NPDES Stormwater Permit "No Flow" conditions not included. 2.0 Visual Data Summary 2010-2019 3.0 Analytical Data Summary 2010-2019 Date Location Color Odor Clarity FS SS Foam Sheen Eros.Dep. Other pH Turb. D.O. BOD TSS NH3-N COD MBAS NO3+NO2-N Total P 0&G AT EG PG 9/27/2010 SDO 004 None No 2 1 1 Yes No No Yes 7.03 21.56 2.45 17.5 <0.10 40 0.147 0.272 0.123 <5.0 9/27/2010 SDO 005 Orange No 5 2 5 No No No No 9/27/2010 SDO 006 None No 1 1 1 No No No No 6.74 11.22 4.8 9.5 <0.10 46 0.112 0.232 0.177 <5.0 9/27/2010 SDO 007 None No 1 1 1 No No No No 9/27/2010 SDO 008 None No 1 1 1 No No No No 9/27/2010 SDO 009 None No 1 1 1 No No No No 9/27/2010 SDO 014 None No 2 1 2 No No No No 9/27/2010 SDO 015 None No 1 1 1 No No No No 9/27/2010 SDO16A None No 1 1 1 No No No No 6.92 9.48 3.7 5 <0.10 49 0.138 0.558 0.324 <5.0 9/27/2010 SDO 019 None No 1 1 1 No No No No 9/27/2010 SDO 024 None No 1 1 1 No No No No 6.21 1.88 2.75 <1.0 <0.10 41 0.116 <0.050 0.272 <5.0 9/27/2010 SDO 025 9/27/2010 SDO 026 Brown None No No 2 1 1 1 2 1 No No No No No No No No 6.34 7.57 2.05 6 <0.10 22 <0.1 0.309 0.106 <5.0 9/27/2010 SDO 027 9/27/2010 SDO 028 No No 1 1 1 1 1 1 No No No No No No No No 6.17 4.63 <2 2.17 <0.10 23 0.109 0.167 0.107 <5.0 9/27/2010 SDO 030 9/27/2010 SDO 032 No No 1 1 1 1 1 1 No No No No No Yes No No 6.41 13.82 3.7 4 <0.10 43 0.137 0.11 0.21 <5.0 9/27/2010 SDO 033 9/27/2010 SDO 036 No No 1 1 1 1 1 1 No No No No No No No No 6.08 2.52 2.05 1 <0.10 21 <0.1 0.106 0.122 <5.0 9/27/2010 SDO 038 No 1 1 1 No No No No 12/1/2010 IS #01 6.86 8.43 13.89 >100% 12/1/2010 IS #02 12/1/2010 IS #05 6.38 6.79 72.86 42.35 12.12 12.88 >100% >100% 12/1/2010 IS #06 6.59 62.03 12.17 >100% 12/1/2010 IS #07 7.37 19.89 17.35 >100% 12/1/2010 IS #08 6.70 12.11 14.39 >100% 12/1/2010 IS #10 7.12 75.36 12.95 >100% 12/1/2010 IS #11 6.91 27.54 11.54 >100% 12/1/2010 SDO 004 Brown No 2 1 2 Yes No No No 6.62 10.98 2.59 3 <0.10 37 <0.1 0.578 0.062 <5.0 >100% <10.0 <10.0 12/1/2010 SDO 005 None No 1 1 1 No No No No 12/1/2010 SDO 006 None No 1 1 1 No No No No 6.10 2.48 2.14 1.66 <0.10 17 <0.1 0.137 0.078 <5.0 >100% <10.0 <10.0 12/1/2010 SDO 007 None No 1 1 1 No No No No 12/1/2010 SDO 008 None No 1 1 1 No No No No 12/1/2010 SDO 009 None No 1 1 1 No No No No 12/1/2010 SDO 014 None No 1 1 1 No No No No 12/1/2010 SDO16A None No 1 1 1 No No No No 6.14 24.51 <2 4 <0.10 32 0.112 0.356 <0.050 <5.0 >100% <10.0 <10.0 12/1/2010 SDO 017 None No 1 1 1 No No No No 12/1/2010 SDO 018 None No 1 1 1 No No No No 12/1/2010 SDO 019 12/1/2010 SDO 023 None None No No 1 1 1 1 1 1 No No No No No No No No 12/1/2010 SDO 024 12/1/2010 SDO 025 None None No No 1 1 1 1 1 1 No No No No No No No No 6.16 2.53 <2 7.75 <0.10 13 <0.1 <0.050 <0.050 <5.0 >100% <10.0 <10.0 12/1/2010 SDO 026 12/1/2010 SDO 027 None None No No 1 1 1 1 1 1 No No No No No I No No I No 6.37 1 6.33 7.26 5.95 2.54 1 4.48 22.5 1.5 <0.10 <0.10 15 1 12 <0.1 0.409 <0.1 0.277 <0.050 <5.0 <0.050 <5.0 >100% <10.0 >100% <10.0 <10.0 <10.0 Piedmont Triad International Airport NCS000508 NPDES Permit Renewol Application Sheet 1 of 24 1212712019 Supplemental Information Required for Renewal of Individual NPDES Stormwater Permit Visual and Analytical Data Summary (continued) Date Location Color Odor Clarity FS SS Foam Sheen Eros.Dep. Other pH Turb. D.O. BOD TSS NH3-N COD MBAS NO3+NO2-N Total P 0&G AT EG PG 12/1/2010 SDO 029 Brown No 3 1 1 No No No No 12/1/2010 SDO 030 None No 1 1 1 No No No No 7.00 6.45 <2 30 <0.10 5 <0.1 0.787 <0.050 <5.0 >100% <10.0 <10.0 12/1/2010 SDO 031 None No 1 1 1 No No No No 12/1/2010 SDO 033 None No 1 1 1 No No Yes No 7.64 7.71 2.54 1.33 <0.10 17 <0.1 0.171 0.071 <5.0 >100% <10.0 <10.0 12/1/2010 SDO 036 None No 1 1 1 No No No No 12/1/2010 SDO 038 None No 1 1 1 No No No No 12/1/2010 SDO 062 None No 1 1 1 No No No No 1/12/2011 IS #01 6.44 27.49 8.92 >100% 1/12/2011 IS #02 6.37 34.18 10.34 >100% 1/12/2011 IS #05 6.59 41.82 7.62 >100% 1/12/2011 IS #06 7.14 37.02 9.37 >100% 1/12/2011 IS #07 6.63 26.18 10.40 >100% 1/12/2011 IS #08 6.45 9.62 9.91 >100% 1/12/2011 IS #10 1/12/2011 IS #11 6.97 6.30 59.28 13.19 10.76 11.22 >100% >100% 1/12/2011 SDO 004 1/12/2011 SDO 006 6.82 6.49 18.49 24.78 286 <2 1.97 0.338 434 14 >100% <10.0 >100% <10.0 219 <10.0 1/12/2011 SDO 024 1/12/2011 SDO 026 6.38 7.02 36.20 8.41 11340 114 10.1 30.4 21370 397 >100% 12.5 >100% <10.0 11870 <10.0 1/12/2011 SDO 027 1/12/2011 SDO 030 6.11 7.31 11.36 12.04 21900 3.24 1.47 4.8 4,680 37 >100% <10.0 >100% <10.0 21810 <10.0 1/12/2011 SDO 033 6.87 32.87 140 <0.10 255 >100% <10.0 33.2 1/26/2011 IS #01 7.17 11.05 13.12 >100% 1/26/2011 IS #02 1/26/2011 IS #05 7.03 7.08 128.10 47.75 14.17 10.83 >100% >100% 1/26/2011 IS #06 7.46 93.52 12.06 >100% 1/26/2011 IS #07 6.98 52.71 13.44 >100% 1/26/2011 IS #08 6.83 41.01 13.01 >100% 1/26/2011 IS #10 7.31 61.20 12.87 >100% 1/26/2011 IS #11 7.54 68.96 12.42 >100% 1/26/2011 SDO 004 7.30 18.17 31.8 8.5 100 >100% <10.0 <10.0 1/26/2011 SDO 006 6.91 28.42 2.2 0.161 8 >100% <10.0 <10.0 1/26/2011 SDO16A 7.12 22.49 3.2 <0.10 23 >100% <10.0 <10.0 1/26/2011 SDO 024 7.39 9.70 186 0.643 294 >100% <10.0 125 1/26/2011 SDO 026 7.24 39.60 3.2 0.836 28 40.61 % <10.0 <10.0 1/26/2011 SDO 027 7.01 16.08 61.5 0.676 92 >100% <10.0 22.2 1/26/2011 SDO 030 7.18 26.46 3 0.313 25 >100% <10.0 <10.0 1/26/2011 SDO 033 7.68 13.12 234 <0.10 337 >100% <10.0 46.4 3/16/2011 SDO 004 None No 2 1 1 Yes No No No 7.36 10.28 4.57 4 1.01 12 <0.1 2.41 <0.050 <5.0 3/16/2011 SDO 005 None No 1 1 1 No No No No 3/16/2011 SDO 006 3/16/2011 SDO 007 None None No No 1 1 1 1 1 1 No Yes No No No No No No 6.64 4.99 <2 2 <0.10 16 <0.1 0.09 <0.050 <5.0 3/16/2011 SDO 008 3/16/2011 SDO 009 None None No No 1 1 1 1 1 1 No No No No No No No No 3/16/2011 SDO 019 3/16/2011 SDO 024 None None No No 1 1 1 1 1 1 No No Yes No No No No No 6.83 1.96 2.15 15 0.694 23 <0.1 0.141 <0.050 5 Piedmont Triad International Airport NCS000508 NPDES Permit Renewol Application Sheet 2 of 24 1212712019 Supplemental Information Required for Renewal of Individual NPDES Stormwater Permit Visual and Analytical Data Summary (continued) Date Location Color Odor Clarity FS SS Foam Sheen Eros.Dep. Other pH Turb. D.O. BOD TSS NH3-N COD WAS NO3+NO2-N Total P 0&G AT EG PG 3/16/2011 SDO 025 None No 1 1 2 No No No No 3/16/2011 SDO 026 None No 1 1 1 No No No No 6.51 3.25 5.6 2 0.892 24 <0.1 1.67 <0.050 <5.0 3/16/2011 SDO 027 None No 1 1 1 No No No No 6.73 6.10 10.3 6.67 0.308 40 <0.1 0.866 <0.050 <5.0 3/16/2011 SDO 028 None No 1 1 1 No No No No 3/16/2011 SDO 029 None No 2 1 2 No No No No 3/16/2011 SDO 030 None No 1 1 1 No No No No 6.66 10.39 2.3 14.2 <0.10 27 <0.1 0.574 <0.050 <5.0 3/16/2011 SDO 031 None No 2 1 1 No No No No 3/16/2011 SDO 033 None No 1 1 1 No No No No 8.43 3.99 5.83 6 0.113 33 <0.1 0.348 <0.050 <5.0 3/16/2011 SDO 036 None No 1 1 1 No No No No 4/9/2011 IS #01 7.31 12.52 9.07 >100% 4/9/2011 IS #02 7.22 38.97 9.36 >100% 4/9/2011 IS #05 6.99 42.14 9.05 >100% 4/9/2011 IS #06 7.23 22.19 9.42 >100% 4/9/2011 IS #07 4/9/2011 IS #08 6.83 7.34 12.08 19.17 8.86 10.01 >100% >100% 4/9/2011 IS #10 4/9/2011 IS #11 6.97 7.36 32.04 36.15 9.73 10.51 >100% >100% 4/9/2011 SDO 004 4/9/2011 SDO 006 7.07 6.60 32.87 14.22 <2 <2 0.315 <0.10 8 9 >100% <10.0 >100% <10.0 <10.0 <10.0 4/9/2011 SDO 024 4/9/2011 SDO 026 7.37 6.74 18.94 11.10 <2 <2 <0.10 0.196 25 13 >100% <10.0 >100% <10.0 <10.0 <10.0 4/9/2011 SDO 027 4/9/2011 SDO 030 6.83 6.79 8.97 9.63 10.1 <2 <0.10 <0.10 20 <5 >100% <10.0 >100% <10.0 <10.0 <10.0 4/9/2011 SDO 033 8.92 13.84 7.71 <0.10 10 >100% <10.0 <10.0 5/23/2011 SDO 004 2.53 5/23/2011 SDO 027 2.19 5/23/2011 SDO 033 2.94 14 6/10/2011 SDO 004 None No 1 2 1 Yes No No No 7.05 5.22 <2 <1.0 <0.10 <5 <0.1 1.22 <0.050 <5.0 6/10/2011 SDO 007 None No 1 1 1 Yes No No No 6/10/2011 SDO 008 None No 1 1 1 No No No No 6/10/2011 SDO 019 None No 1 2 1 No No No No 6/10/2011 SDO 020 None No 1 1 1 No No No No 6/10/2011 SDO 026 None No 1 1 1 No No No No 6.89 7.12 <2 <1.0 0.347 8 <0.1 0.696 0.119 <5.0 6/10/2011 SDO 027 None No 1 2 2 No No No No 6.64 6.83 <2 <1.0 <0.10 <5 1.28 <0.050 <5.0 6/10/2011 SDO 033 None No 1 1 1 No No No No 8.21 5.03 3.63 4 0.361 12 <0.1 0.465 0.069 <5.0 9/21/2011 SDO 004 None No 1 2 1 No No No No 7.67 31.30 2.69 7.5 0.126 15 0.103 1.24 <0.050 <5.0 9/21/2011 SDO 007 None No 1 1 2 Yes No No No 9/21/2011 SDO 008 None No 1 1 1 No No No No 9/21/2011 SDO 019 None No 1 1 1 Yes No No No 9/21/2011 SDO 024 None No 1 1 1 No No No No 7.83 30.72 8.5 42 0.334 73 0.107 0.444 0.173 <5.0 9/21/2011 SDO 026 None No 1 1 1 No No No No 7.08 40.26 6.27 40 0.371 53 0.103 0.679 0.174 <5.0 9/21/2011 SDO 027 None No 1 1 1 No No No No 6.90 18.04 3.68 17.7 0.186 27 <0.1 0.527 0.082 <5.0 9/21/2011 SDO 029 None No 1 1 1 No No No No 9/21/2011 SDO 030 None No 1 1 1 No No No No 7.16 14.24 6.27 9 0.378 39 0.544 0.35 0.108 <5.0 9/21/2011 SDO 031 None No 1 1 1 Yes No No No Piedmont Triad International Airport NCS000508 NPDES Permit Renewal Application Sheet 3 of 24 1212712019 Supplemental Information Required for Renewal of Individual NPDES Stormwater Permit Visual and Analytical Data Summary (continued) Date Location Color Odor Clarity FS SS Foam Sheen Eros.Dep. Other pH Turb. D.O. BOD TSS NH3-N COD MBAS NO3+NO2-N Total P 0&G AT EG PG 9/21/2011 SDO 032 None No 1 1 1 Yes No No No 9/21/2011 SDO 033 Brown Yes 1 1 1 No No No No 7.97 12.28 4.28 18.3 <0.10 28 <0.1 0.623 0.06 <5.0 11/4/2011 IS #01 6.53 19.04 10.24 >100% 11/4/2011 IS #02 6.74 51.43 10.09 >100% 11/4/2011 IS #05 6.89 152.50 9.58 >100% 11/4/2011 IS #06 6.61 89.43 9.39 >100% 11/4/2011 IS #07 6.41 48.29 9.98 >100% 11/4/2011 IS #08 6.52 22.43 10.47 >100% 11/4/2011 IS #10 6.68 67.75 10.32 >100% 11/4/2011 IS #11 6.60 38.24 9.31 >100% 11/4/2011 SDO 004 6.37 23.98 4.1 <0.10 24 >100% <10.0 <10.0 11/4/2011 SDO 006 6.46 32.04 5.9 <0.10 33 >100% <10.0 <10.0 11/4/2011 SDO16A 6.48 33.10 <2 <0.10 20 <10.0 <10.0 11/4/2011 SDO 024 11/4/2011 SDO 026 8.10 7.22 10.33 23.03 3.05 2.45 <0.10 <0.10 15 19 >100% <10.0 >100% <10.0 <10.0 <10.0 11/4/2011 SDO 027 11/4/2011 SDO 030 6.77 6.85 19.03 48.73 8.94 4.86 <0.10 <0.10 26 10 >100% <10.0 >100% <10.0 <10.0 <10.0 11/4/2011 SDO 033 7.29 40.68 3.55 <0.10 33 >100% <10.0 <10.0 12/7/2011 SDO 001 None No 1 1 1 No No No No 12/7/2011 SDO 002 12/7/2011 SDO 004 None None No No 1 1 1 1 1 1 No Yes No No No No No No 7.47 36.46 2.03 23 <0.10 12 <0.1 0.351 0.223 <5.0 12/7/2011 SDO 006 12/7/2011 SDO 007 Brown None No No 3 2 1 1 2 1 No Yes No No No No No No 7.97 75.64 3.86 101 <0.10 51 <0.1 0.116 0.268 <5.0 12/7/2011 SDO 008 12/7/2011 SDO 009 None None No No 1 1 1 1 1 1 No No No No No No No No 12/7/2011 SDO 013 None No 1 1 1 No No No No 12/7/2011 SDO 015 None No 1 1 1 No No No No 12/7/2011 SDO 016 None No 1 1 1 No No No No 12/7/2011 SDO16A None No 2 2 1 Yes No No No 7.56 49.53 2.53 23 <0.10 23 <0.1 0.273 0.202 <5.0 12/7/2011 SDO 017 None No 1 1 1 No No No No 12/7/2011 SDO 019 None No 1 1 1 No No No No 12/7/2011 SDO 020 None No 1 1 1 No No No No 12/7/2011 SDO 023 None No 1 1 1 No No No No 12/7/2011 SDO 024 None No 1 1 1 No No No No 7.09 20.11 18.7 2.5 <0.10 44 <0.1 <0.050 0.193 <5.0 12/7/2011 SDO 025 None No 1 1 1 No No No No 12/7/2011 SDO 026 None No 1 1 2 Yes No No No 6.96 24.87 <2 9 <0.10 13 <0.1 0.233 0.202 <5.0 12/7/2011 SDO 027 None No 1 1 1 No No No No 7.11 23.61 3.03 5 <0.10 12 <0.1 0.082 0.202 <5.0 12/7/2011 SDO 028 None No 1 1 1 No No No No 12/7/2011 SDO 029 None No 1 1 1 No No No No 12/7/2011 SDO 030 None No 1 1 1 No No No No 7.13 23.23 <2 9.5 <0.10 15 <0.1 <0.050 0.214 <5.0 12/7/2011 SDO 031 12/7/2011 SDO 033 None None No No 1 1 1 1 1 2 No Yes No No No No No No 6.52 45.29 3.81 6 <0.10 14 <0.1 0.226 0.205 <5.0 12/7/2011 SDO 036 None No 1 1 1 Yes No No No 12/21/2011 IS #01 6.63 21.85 10.99 >100% 12/21/2011 IS #02 12/21/2011 IS #05 6.35 6.35 94.93 38.63 10.81 8.91 >100% >100% Piedmont Triad International Airport NCS000508 NPDES Permit Renewol Application Sheet 4 of 24 1212712019 Supplemental Information Required for Renewal of Individual NPDES Stormwater Permit Visual and Analytical Data Summary (continued) Date Location Color Odor Clarity FS SS Foam Sheen Eros.Dep. Other pH Turb. D.O. BOD TSS NH3-N COD WAS NO3+NO2-N Total P ON AT EG PG 12/21/2011 IS #06 6.48 145.50 10.26 >100% 12/21/2011 IS #07 6.96 65.74 10.51 >100% 12/21/2011 IS #08 6.49 116.10 10.50 >100% 12/21/2011 IS #10 6.53 115.90 11.85 >100% 12/21/2011 IS #11 6.50 162.20 10.80 >100% 12/21/2011 SDO 004 6.71 35.54 3.1 <0.10 24 >100% <10.0 <10.0 12/21/2011 SDO 006 6.74 119.40 2.05 <0.10 21 >100% <10.0 <10.0 12/21/2011 SDO16A 6.55 32.08 2.55 <0.10 25 <10.0 <10.0 12/21/2011 SDO 024 6.20 18.45 7.58 <0.10 19 >100% <10.0 <10.0 12/21/2011 SDO 026 6.50 17.76 <2 <0.10 11 >100% <10.0 <10.0 12/21/2011 SDO 027 6.36 15.94 2.05 <0.10 18 >100% <10.0 <10.0 12/21/2011 SDO 030 6.28 10.63 <2 <0.10 5 >100% <10.0 <10.0 12/21/2011 SDO 033 6.80 14.54 2.15 <0.10 12 >100% <10.0 <10.0 1/21/2012 IS #01 1/21/2012 IS #02 7.25 6.65 16.03 31.20 15.28 11.96 >100% >100% 1/21/2012 IS #05 1/21/2012 IS #06 6.71 6.81 18.98 32.72 11.23 11.34 >100% >100% 1/21/2012 IS #07 1/21/2012 IS #08 7.82 7.17 14.29 17.78 12.32 12.34 >100% >100% 1/21/2012 IS #10 1/21/2012 IS #11 7.08 7.17 19.27 14.30 12.86 15.80 >100% >100% 1/21/2012 SDO 004 1/21/2012 SDO 024 7.35 7.40 49.83 9.32 2.25 68.2 <0.10 <0.10 20 120 >100% <10.0 >100% <10.0 <10.0 58.4 1/21/2012 SDO 026 1/21/2012 SDO 027 6.99 6.97 12.96 14.51 2.05 12 0.138 <0.10 17 24 >100% <10.0 >100% <10.0 <10.0 <10.0 1/21/2012 SDO 030 6.49 11.87 <2 0.106 11 >100% <10.0 <10.0 1/21/2012 SDO 033 8.47 10.58 20.4 <0.10 34 >100% <10.0 <10.0 2/23/2012 IS #01 6.68 15.35 >100% 2/23/2012 IS #02 6.92 11.07 11.51 >100% 2/23/2012 IS #05 6.74 16.98 13.45 >100% 2/23/2012 IS #06 6.88 22.09 15.68 >100% 2/23/2012 IS #07 6.61 10.55 15.47 >100% 2/23/2012 IS #08 7.27 16.74 15.83 >100% 2/23/2012 IS #10 6.53 31.99 15.26 >100% 2/23/2012 IS #11 7.18 17.35 16.32 >100% 2/23/2012 SDO 004 7.70 23.27 30.2 <0.10 72 >100% <10.0 22.7 2/23/2012 SDO 006 7.00 0.84 <2 <0.10 12 >100% <10.0 <10.0 2/23/2012 SDO16A 6.92 31.20 <2 <0.10 25 >100% <10.0 <10.0 2/23/2012 SDO 026 6.94 3.14 <2 4.12 19 >100% <10.0 <10.0 2/23/2012 SDO 027 6.95 9.05 196 0.364 357 >100% <10.0 190 2/23/2012 SDO 033 7.24 12.54 281 <0.10 407 >100% <10.0 201 3/21/2012 IS #02 11.42 3/21/2012 IS #06 3/21/2012 IS #10 34.72 205.40 3/21/2012 SDO 001 3/21/2012 SDO 002 None None No No 2 2 1 1 1 1 Yes Yes No No No No Yes Yes Piedmont Triad International Airport NCS000508 NPDES Permit Renewal Application Sheet 5 of 24 1212712019 Supplemental Information Required for Renewal of Individual NPDES Stormwater Permit Visual and Analytical Data Summary (continued) Date Location Color Odor Clarity FS SS Foam Sheen Eros.Dep. Other pH Turb. D.O. BOD TSS NH3-N COD WAS NO3+NO2-N Total P 0&G AT EG PG 3/21/2012 SDO 004 None No 2 1 1 Yes No No Yes 6.61 25.43 13.8 3.5 <0.10 38 0.1 0.598 <0.050 <5.0 3/21/2012 SDO 005 None No 1 1 1 No No No No 3/21/2012 SDO 006 Red -Brown No 1 1 1 No No No No 6.40 12.61 8.13 2.33 <0.10 17 <0.1 0.101 <0.050 <5.0 3/21/2012 SDO 007 None No 1 1 2 Yes No No No 3/21/2012 SDO 008 None No 1 1 1 No No No No 3/21/2012 SDO16A None No 3 1 2 Yes No No Yes 6.74 92.95 13 22.7 <0.10 73 <0.1 0.11 <0.050 <5.0 3/21/2012 SDO 019 None No 1 1 1 Yes No No Yes 3/21/2012 SDO 020 None No 1 1 1 No No No No 3/21/2012 SDO 023 None No 1 1 1 No No No No 3/21/2012 SDO 026 None No 1 1 1 No No No No 6.45 2.51 3.37 3.67 0.166 13 0.112 0.68 <0.050 <5.0 3/21/2012 SDO 027 None No 1 1 1 No No No No 6.10 10.56 16 12.5 0.248 63 <0.1 0.972 <0.050 <5.0 3/21/2012 SDO 028 None No 1 1 1 No No No No 3/21/2012 SDO 031 None 2 1 2 No No No No 3/21/2012 SDO 033 3/21/2012 SDO 036 None None No No 2 1 1 1 2 1 No No No No No No No No 7.14 31.45 10.5 11 0.149 80 <0.1 0.327 <0.050 <5.0 3/21/2012 SDO 038 3/21/2012 SDO 040 None Red -Brown No No 1 2 1 1 1 2 No No No No No No No No 3/21/2012 SDO 062 None No 1 1 1 No No No No 6/6/2012 SDO 001 Red -Orange No 2 1 1 Yes No No Yes 6/6/2012 SDO 002 6/6/2012 SDO 004 None None No No 1 1 1 1 2 1 No Yes No No No No No Yes 7.84 10.91 5.97 19 <0.10 43 0.12 0.336 0.138 <5.0 6/6/2012 SDO 005 6/6/2012 SDO 006 None None No No 1 1 1 1 1 1 No No No No No No No No 7.49 10.51 4.33 14 <0.10 28 <0.1 <0.050 0.139 <5.0 6/6/2012 SDO 007 6/6/2012 SDO 008 None None No No 1 1 1 1 2 1 Yes No No No No No Yes No 6/6/2012 SDO 009 None No 1 1 1 No No No No 6/6/2012 SDO16A None No 2 2 2 No No No No 6.84 21.50 7.17 10.5 <0.10 45 <0.1 0.386 0.164 <5.0 6/6/2012 SDO 017 None No 1 1 1 No No No No 6/6/2012 SDO 019 Yellow -Brown No 2 1 2 No No No No 6/6/2012 SDO 020 None No 1 1 1 No No No No 6/6/2012 SDO 023 None No 1 2 1 No No No No 6/6/2012 SDO 024 None No 1 1 1 No No No No 6.85 2.31 2.19 2 <0.10 17 <0.1 <0.050 0.059 <5.0 6/6/2012 SDO 026 None No 1 2 1 No No No No 6.64 10.50 2.79 5.5 <0.10 16 <0.1 0.488 0.061 <5.0 6/6/2012 SDO 027 None No 1 1 1 No No No No 6.53 7.64 2.79 17.5 <0.10 17 <0.1 0.316 0.086 <5.0 6/6/2012 SDO 028 None No 1 1 1 No No No No 6/6/2012 SDO 029 None No 1 1 2 No No No No 6/6/2012 SDO 031 None No 2 1 1 No No No No 6/6/2012 SDO 033 None No 1 1 1 No No No No 7.15 4.30 2.29 1.67 <0.10 11 <0.1 0.765 0.062 <5.0 6/6/2012 SDO 036 None No 1 1 1 No No No No 6/6/2012 SDO 040 None No 1 1 1 No No No No 9/23/2012 SDO 001 None No 1 2 1 No No No No 9/23/2012 SDO 002 None No 1 1 1 No No No No 9/23/2012 SDO 004 None No 1 1 1 Yes No No Yes 8.40 42.76 2.49 8 <0.10 6 <0.1 0.075 0.07 <5.0 9/23/2012 SDO 005 None No 1 1 1 No No No No 9/23/2012 SDO 007 None No 1 1 1 No No No No Piedmont Triad International Airport NCS000508 NPDES Permit Renewal Application Sheet 6 of 24 1212712019 Supplemental Information Required for Renewal of Individual NPDES Stormwater Permit Visual and Analytical Data Summary (continued) Date Location Color Odor Clarity FS SS Foam Sheen Eros.Dep. Other pH Turb. D.O. BOD TSS NH3-N COD MBAS NO3+NO2-N Total P 0&G AT EG PG 9/23/2012 SDO 008 None No 1 1 1 No No No No 9/23/2012 SDO 019 None No 2 1 2 No No No No 9/23/2012 SDO 020 None No 1 1 1 No No No No 9/23/2012 SDO 026 None No 1 1 1 No No No No 7.75 19.38 <2 2.5 0.111 6 <0.1 0.463 0.086 <5.0 9/23/2012 SDO 027 None No 1 1 1 No No No No 7.38 9.57 <2 3.33 <0.10 9 <0.1 0.159 <0.050 <5.0 9/23/2012 SDO 031 None No 1 2 1 No No No No 9/23/2012 SDO 036 None No 1 1 1 No No No No 12/8/2012 SDO 001 Red -Orange No 2 1 1 No No No No 12/8/2012 SDO 002 None No 1 1 1 No No No No 12/8/2012 SDO 004 None Yes 2 2 3 Yes Yes No Yes 6.86 13.91 <2 6.5 0.251 8 <0.1 1.39 0.052 5.7 12/8/2012 SDO 005 None No 1 1 1 No No No No 12/8/2012 SDO 007 None No 1 1 1 Yes No No Yes 12/8/2012 SDO 008 None No 1 1 1 No No No No 12/8/2012 SDO 019 12/8/2012 SDO 020 None None No No 1 1 2 1 1 1 No No No No No No No No 12/8/2012 SDO 025 12/8/2012 SDO 026 None None No No 1 1 1 2 1 3 No No No Yes No No No Yes 6.69 3.50 2.1 3.5 <0.10 13 <0.1 1.13 <0.050 <5.0 12/8/2012 SDO 027 12/8/2012 SDO 028 None None No No 1 1 2 1 2 1 No No Yes No No No Yes No 6.61 4.19 6.02 4 <0.10 16 <0.1 0.743 <0.050 <5.0 12/8/2012 SDO 031 Red -Orange No 1 1 2 No No No No 12/17/2012 IS #01 6.72 1.82 10.06 >100% 12/17/2012 IS #02 12/17/2012 IS #05 6.84 6.50 8.80 4.79 11.62 9.27 >100% >100% 12/17/2012 IS #06 12/17/2012 IS #07 6.98 6.20 5.71 5.32 9.87 9.05 >100% >100% 12/17/2012 IS #08 8.25 24.22 14.16 >100% 12/17/2012 IS #10 6.15 6.72 9.73 >100% 12/17/2012 IS #11 6.53 6.27 11.44 >100% 12/17/2012 SDO 004 6.67 4.66 <2 0.438 15 >100% <10.0 <10.0 12/17/2012 SDO 026 6.61 2.82 <2 0.17 8 >100% <10.0 <10.0 12/17/2012 SDO 027 6.35 2.01 6.42 <0.10 30 >100% <10.0 14.8 1/11/2013 IS #01 6.65 9.32 14.12 >100% 1/11/2013 IS #02 6.78 21.71 20.02 >100% 1/11/2013 IS #05 7.12 49.01 15.36 >100% 1/11/2013 IS #06 6.46 33.46 13.51 >100% 1/11/2013 IS #07 6.18 8.70 13.59 >100% 1/11/2013 IS #08 6.10 11.53 17.34 >100% 1/11/2013 IS #10 6.63 34.18 16.34 >100% 1/11/2013 IS #11 6.64 8.50 15.53 >100% 1/11/2013 SDO 004 6.76 9.55 2.11 0.186 <5 >100% <10.0 <10.0 1/11/2013 SDO 026 1/11/2013 SDO 027 6.92 6.54 6.05 3.99 2.01 188 0.123 0.1 8 337 >100% <10.0 >100% 13.7 <10.0 264 1/18/2013 IS #01 1/18/2013 IS #02 6.35 6.32 40.34 33.29 25.43 15.52 >100% >100% 1/18/2013 IS #05 1/18/2013 IS #06 6.25 6.05 27.91 43.52 14.61 20.06 >100% >100% Piedmont Triad International Airport NCS000508 NPDES Permit Renewol Application Sheet 7 of 24 1212712019 Supplemental Information Required for Renewal of Individual NPDES Stormwater Permit Visual and Analytical Data Summary (continued) Date Location Color Odor Clarity FS SS Foam Sheen Eros.Dep. Other pH Turb. D.O. BOD TSS NH3-N COD MBAS NO3+NO2-N Total P 0&G AT EG PG 1/18/2013 IS #07 7.05 62.82 10.47 >100% 1/18/2013 IS #08 6.14 18.23 15.83 >100% 1/18/2013 IS #10 6.28 11.92 19.25 >100% 1/18/2013 IS #11 6.48 38.46 21.14 >100% 1/18/2013 SDO 004 6.31 32.18 23.7 0.138 38 >100% <10.0 34.1 1/18/2013 SDO 006 6.81 7.50 <2 0.106 <5 >100% <10.0 <10.0 1/18/2013 SDO16A 6.55 28.57 <2 <0.10 <5 >100% <10.0 <10.0 1/18/2013 SDO 024 6.70 4.54 1,800 <0.10 21700 >100% 13.6 3,360 1/18/2013 SDO 026 6.01 12.11 110 0.304 148 >100% <10.0 <10.0 1/18/2013 SDO 027 6.85 8.73 320 0.254 537 >100% <10.0 413 1/18/2013 SDO 030 6.74 10.94 <2 <0.10 9 >100% <10.0 <10.0 1/18/2013 SDO 033 6.29 24.31 398 <0.10 595 >100% <10.0 388 1/26/2013 IS #01 6.99 23.07 11.08 >100% 1/26/2013 IS #02 1/26/2013 IS #05 6.83 6.80 13.73 10.99 12.11 10.83 >100% >100% 1/26/2013 IS #06 1/26/2013 IS #07 7.08 6.01 11.30 85.63 12.19 7.67 >100% >100% 1/26/2013 IS #08 1/26/2013 IS #10 7.50 7.29 3.59 49.97 12.68 11.86 >100% >100% 1/26/2013 IS #11 1/26/2013 SDO 004 6.75 7.46 19.40 79.92 12.32 123 0.349 189 >100% >100% <10.0 15 1/26/2013 SDO 026 1/26/2013 SDO 027 6.40 7.09 8.92 11.21 872 161900 9.86 0.594 11360 281600 >100% 13.6 >100% 21750 16.3 301300 2/20/2013 SDO 026 2/20/2013 SDO 027 5.11 153 20 226 3/6/2013 SDO 001 Orange No 2 1 1 No No No No 3/6/2013 SDO 002 None No 1 1 1 No No No No 3/6/2013 SDO 004 None No 1 2 2 Yes No No Yes 6.71 15.19 3.22 6 <0.10 33 <0.1 0.678 <0.050 <5.0 3/6/2013 SDO 005 None No 1 1 1 No No No No 3/6/2013 SDO 007 None No 1 1 1 Yes No No Yes 3/6/2013 SDO 008 None No 1 1 1 No No No No 3/6/2013 SDO 009 None No 1 1 1 No No No No 3/6/2013 SDO 017 None No 1 1 1 No No No No 3/6/2013 SDO 019 None No 1 1 1 No No No No 3/6/2013 SDO 020 None No 1 1 1 No No No No 3/6/2013 SDO 026 None No 1 2 1 No No No No 6.61 3.50 <2 2 <0.10 17 <0.1 0.751 <0.050 <5.0 3/6/2013 SDO 027 None No 1 1 1 No No No No 6.44 4.91 25.9 2 <0.10 54 <0.1 0.14 <0.050 <5.0 3/6/2013 SDO 033 None Yes 1 1 1 No No Yes No 9.12 3.20 39.1 7.5 <0.10 68 <0.1 0.693 <0.050 <5.0 3/6/2013 SDO 036 None No 1 1 1 No No No No 3/6/2013 SDO 040 None No 1 1 1 No No No No 3/22/2013 SDO 026 3/22/2013 SDO 027 <2 2.51 <5 6 4/23/2013 SDO 027 <2 7 6/3/2013 SDO 001 None No 1 2 1 No No No No 6/3/2013 SDO 002 6/3/2013 SDO 003 Orange None No No 1 1 1 1 1 1 No No No No No No No No Piedmont Triad International Airport NCS000508 NPDES Permit Renewol Application Sheet 8 of 24 1212712019 Supplemental Information Required for Renewal of Individual NPDES Stormwater Permit Visual and Analytical Data Summary (continued) Date Location Color Odor Clarity FS SS Foam Sheen Eros.Dep. Other pH Turb. D.O. BOD TSS NH3-N COD MBAS NO3+NO2-N Total P 0&G AT EG PG 6/3/2013 SDO 004 None No 2 2 2 Yes No No Yes 7.41 13.83 7.36 33 <0.10 63 <0.1 0.381 0.421 <5.0 6/3/2013 SDO 005 None No 1 1 2 No No No No 6/3/2013 SDO 007 None No 1 2 1 Yes No No Yes 6/3/2013 SDO 008 None No 1 1 1 No No No No 6/3/2013 SDO 009 None No 1 1 1 No No No No 6/3/2013 SDO16A None No 3 1 2 No No No No 6.46 44.28 3.17 11 <0.10 39 <0.1 0.154 0.073 <5.0 6/3/2013 SDO 019 None No 1 1 1 No No No No 6/3/2013 SDO 020 None No 1 1 1 No No No No 6/3/2013 SDO 025 None No 2 1 1 No No No No 6/3/2013 SDO 026 None No 1 1 1 No No No No 6.38 8.33 2.57 4.5 0.216 24 <0.1 0.711 <0.050 <5.0 6/3/2013 SDO 027 None No 1 1 1 No No No No 6.48 4.15 2.07 3 <0.10 15 <0.1 0.412 <0.050 <5.0 6/3/2013 SDO 031 None No 1 1 1 No No No No 6/3/2013 SDO 036 None No 1 1 1 No No No No 6/3/2013 SDO 040 None No 1 1 1 No No No No 9/22/2013 SDO 001 Orange No 2 1 2 No No No No 9/22/2013 SDO 002 Orange No 2 1 2 No No No No 9/22/2013 SDO 004 Orange No 2 1 2 Yes No No Yes 7.03 93.79 3.51 49 0.207 23 <0.1 0.523 0.145 <5.0 9/22/2013 SDO 005 None No 1 1 1 No No No No 9/22/2013 SDO 007 None No 1 1 1 No No No No 9/22/2013 SDO 008 None No 1 1 1 No No No No 9/22/2013 SDO 009 9/22/2013 SDO 019 None None No No 1 1 1 1 1 1 No No No No No No No No 9/22/2013 SDO 026 9/22/2013 SDO 027 None None No No 1 1 1 1 1 1 No No No No No No No No 6.64 6.08 6.50 11.29 <2 <2 3 2.5 0.17 <0.10 19 65 <0.1 0.939 <0.1 0.504 0.058 <5.0 0.052 <5.0 9/22/2013 SDO 029 9/22/2013 SDO 031 None Orange No No 1 2 1 1 1 1 No No No No No No No No 9/22/2013 SDO 038 9/22/2013 SDO 040 None None No No 1 1 1 1 1 1 No No No No No No No No 9/22/2013 SDO 062 None No 1 1 1 No No No No 11/26/2013 IS #01 6.91 39.39 11.70 >100% 11/26/2013 IS #02 11/26/2013 IS #05 7.00 6.35 106.80 25.10 13.66 13.42 >100% >100% 11/26/2013 IS #06 7.13 113.80 13.60 >100% 11/26/2013 IS #07 6.24 59.76 13.53 >100% 11/26/2013 IS #08 5.76 87.86 12.13 >100% 11/26/2013 IS #10 7.58 106.60 13.76 >100% 11/26/2013 IS #11 7.90 58.91 13.99 >100% 11/26/2013 SDO 001 Orange No 1 1 2 No No No No 11/26/2013 SDO 002 None No 1 1 1 No No No No 11/26/2013 SDO 003 Red -Orange No 1 1 3 No No No No 11/26/2013 SDO 004 Red -Orange No 2 2 3 Yes No No Yes 7.54 92.59 6.48 86 0.244 33 <0.1 0.108 0.236 <5.0 >100% <10.0 13.9 11/26/2013 SDO 005 None No 1 1 2 No No No No 11/26/2013 SDO 006 None No 1 1 2 No No No No 6.49 73.39 8.28 50 0.426 32 <0.1 0.145 0.103 <5.0 >100% <10.0 <10.0 11/26/2013 SDO 007 None No 1 1 1 No No No No 11/26/2013 SDO 008 None No 1 1 3 No No No No Piedmont Triad International Airport NCS000508 NPDES Permit Renewol Application Sheet 9 of 24 1212712019 Supplemental Information Required for Renewal of Individual NPDES Stormwater Permit Visual and Analytical Data Summary (continued) Date Location Color Odor Clarity FS SS Foam Sheen Eros.Dep. Other pH Turb. D.O. BOD TSS NH3-N COD MBAS NO3+NO2-N Total P 0&G AT EG PG 11/26/2013 SDO 009 None No 1 1 1 No No No No 11/26/2013 SDO 014 None No 1 2 3 No No No No 11/26/2013 SDO16A None No 1 1 1 Yes No No Yes 7.34 21.63 2.96 16 <0.10 20 <0.1 0.145 0.103 <5.0 >100% <10.0 <10.0 11/26/2013 SDO 019 None No 1 2 1 No No No No 11/26/2013 SDO 020 None No 1 1 1 No No No No 11/26/2013 SDO 023 None No 1 1 1 No No No No 11/26/2013 SDO 024 None No 1 1 1 No No No No 6.27 24.80 22.6 14.3 <0.10 45 <0.1 0.06 0.052 <5.0 >100% <10.0 32 11/26/2013 SDO 025 None No 1 1 1 No No No No 11/26/2013 SDO 026 None No 1 1 1 No No No No 6.87 8.43 2.86 8 <0.10 15 <0.1 0.249 <0.050 <5.0 >100% 14 11.9 11/26/2013 SDO 027 None No 1 1 1 No No No No 7.12 6.71 6.02 8 <0.10 15 <0.1 0.092 <0.050 <5.0 >100% <10.0 14.8 11/26/2013 SDO 028 Orange No 2 4 4 Yes No No Yes 11/26/2013 SDO 030 None No 1 1 1 No No No No <2 3 0.138 11 <0.1 <0.050 <0.050 <5.0 >100% <10.0 <10.0 11/26/2013 SDO 031 None No 1 1 2 No No No No 11/26/2013 SDO 033 11/26/2013 SDO 036 None None No No 1 1 1 1 1 1 No No No No Yes No No No 6.69 4.09 13.5 14 <0.10 27 <0.1 0.352 <0.050 <5.0 >100% <10.0 22 11/26/2013 SDO 038 11/26/2013 SDO 040 None None No No 1 1 1 1 1 1 No No No No No No No No 11/26/2013 SDO 062 None No 1 1 1 No No No No 12/29/2013 IS #01 6.26 11.11 15.32 >100% 12/29/2013 IS #02 12/29/2013 IS #05 6.58 6.43 89.58 180.30 13.86 12.93 >100% >100% 12/29/2013 IS #06 12/29/2013 IS #07 6.94 6.14 171.70 47.57 13.02 13.22 >100% >100% 12/29/2013 IS #08 12/29/2013 IS #10 6.24 6.81 62.95 141.90 13.54 15.03 >100% >100% 12/29/2013 IS #11 7.93 70.36 13.82 >100% 12/29/2013 SDO 004 6.78 160.80 <2 0.176 27 >100% <10.0 <10.0 12/29/2013 SDO16A 6.44 23.66 11.4 <0.10 34 >100% <10.0 <10.0 12/29/2013 SDO 024 6.63 23.60 2.34 <0.10 11 >100% <10.0 12.3 12/29/2013 SDO 026 6.64 27.32 <2 <0.10 20 >100% <10.0 <10.0 12/29/2013 SDO 027 6.52 17.65 3.04 <0.10 21 >100% <10.0 11.8 12/29/2013 SDO 030 6.46 9.00 <2 <0.10 10 >100% <10.0 <10.0 12/29/2013 SDO 033 6.37 8.13 7.98 <0.10 14 >100% <10.0 12.7 1/22/2014 IS #01 6.56 24.28 13.41 >100% 1/22/2014 IS #02 6.87 12.93 13.73 >100% 1/22/2014 IS #05 6.52 11.55 12.97 >100% 1/22/2014 IS #06 6.47 8.97 14.90 >100% 1/22/2014 IS #07 6.22 1.52 10.71 >100% 1/22/2014 IS #08 6.06 3.14 11.43 >100% 1/22/2014 IS #10 6.70 9.27 12.92 >100% 1/22/2014 IS #11 1/22/2014 SDO 001 Orange No 2 1 2 No No No No 7.12 25.60 14.58 >100% 1/22/2014 SDO 002 1/22/2014 SDO 004 None None No No 1 1 1 1 1 1 No No No No No No No No 6.37 12.38 <2 9 0.125 <5 <0.1 1.2 <0.050 <5.0 >100% <10.0 <10.0 1/22/2014 SDO 005 1/22/2014 SDO 007 None None No No 1 1 1 1 1 1 No No No No No No No No Piedmont Triad International Airport NCS000508 NPDES Permit Renewol Application Sheet 10 of 24 1212712019 Supplemental Information Required for Renewal of Individual NPDES Stormwater Permit Visual and Analytical Data Summary (continued) Date Location Color Odor Clarity FS SS Foam Sheen Eros.Dep. Other pH Turb. D.O. BOD TSS NH3-N COD MBAS NO3+NO2-N Total P 0&G AT EG PG 1/22/2014 SDO 008 None No 1 1 1 No No No No 1/22/2014 SDO 009 None No 1 1 1 No No No No 1/22/2014 SDO 016 None No 1 1 1 No No No No 1/22/2014 SDO 018 None No 1 1 1 No No No No 1/22/2014 SDO 019 None No 1 1 1 No No No No 1/22/2014 SDO 020 None No 1 1 1 No No No No 1/22/2014 SDO 026 None No 1 1 1 No No No No 6.48 1.23 20 0.203 50 <0.1 1.26 0.05 <5.0 >100% <10.0 <10.0 1/22/2014 SDO 027 None No 1 1 1 No No No No 6.33 0.72 12.5 <0.10 128 <0.1 1.08 0.053 <5.0 >100% <10.0 100 1/22/2014 SDO 033 None No 1 1 1 No No Yes No 6.92 13.07 6 <0.10 20 <0.1 1.95 0.076 <5.0 >100% <10.0 17.4 1/22/2014 SDO 036 None No 1 1 1 No No No No 3/4/2014 IS #01 6.76 6.57 12.60 >100% 3/4/2014 IS #02 7.28 5.05 17.05 >100% 3/4/2014 IS #05 7.11 7.46 13.92 >100% 3/4/2014 IS #06 3/4/2014 IS #07 7.21 5.80 6.00 4.81 16.56 12.97 >100% >100% 3/4/2014 IS #08 3/4/2014 IS #10 5.32 5.39 5.80 9.77 11.87 13.81 >100% >100% 3/4/2014 IS #11 3/4/2014 SDO 004 6.89 6.54 18.40 15.56 12.33 22.3 1.52 47 >100% >100% <10.0 18.7 3/4/2014 SDO 006 3/4/2014 SDO 026 6.13 6.73 3.60 0.46 11.4 62.0 2.18 11.6 38 104 >100% <10.0 70% <10.0 <10.0 <10.0 3/4/2014 SDO 027 3/4/2014 SDO 033 6.64 7.13 1.76 0.68 71500.0 121.0 0.241 <0.10 131100 128 >100% 89.6 >100% <10.0 461800 57.9 3/29/2014 IS #02 3/29/2014 IS #06 5.18 13.71 3/29/2014 IS #08 5.34 3/29/2014 IS #10 7.47 3/29/2014 IS #11 7.43 3/29/2014 SDO 004 19.32 3/29/2014 SDO 006 12.10 3/29/2014 SDO 027 150 4/30/2014 SDO 027 59 5/16/2014 SDO 001 None No 4 1 1 No No No No 5/16/2014 SDO 002 None No 4 2 1 No No No No 5/16/2014 SDO 003 Red -Brown No 3 1 1 No No No No 5/16/2014 SDO 004 Red -Brown No 2 3 2 Yes No No No 6.47 27.20 <2 156 <0.10 34 <0.1 0.503 0.332 <5.0 5/16/2014 SDO 005 Red -Brown No 3 2 2 No No No No 5/16/2014 SDO 006 None No 4 2 1 No No No No 6.62 7.63 7.95 12.0 0.128 43 0.162 <0.050 0.320 <5.0 5/16/2014 SDO 007 None No 4 1 1 No No No No 5/16/2014 SDO 013 Red -Brown No 2 3 2 No No No No 5/16/2014 SDO 017 5/16/2014 SDO 018 Red -Brown Red -Brown No No 3 3 3 2 2 3 No No No No No No No No 5/16/2014 SDO 020 5/16/2014 SDO 023 Orange -Brown Red -Brown No No 2 2 2 2 1 1 No No No No No No No No 5/16/2014 SDO 024 5/16/2014 SDO 025 Red -Brown None No No 4 5 1 1 1 2 No No No No No No No No 6.01 8.90 3.30 7.0 0.114 45 <0.1 0.052 0.078 <5.0 Piedmont Triad International Airport NCS000508 NPDES Permit Renewol Application Sheet 11 of 24 1212712019 Supplemental Information Required for Renewal of Individual NPDES Stormwater Permit Visual and Analytical Data Summary (continued) Date Location Color Odor Clarity FS SS Foam Sheen Eros.Dep. Other pH Turb. D.O. BOD TSS NH3-N COD MBAS NO3+NO2-N Total P ON AT EG PG 5/16/2014 SDO 026 Red -Orange No 5 1 1 No No No No 6.43 3.40 6.66 2.0 0.646 84 <0.1 0.775 0.759 <5.0 5/16/2014 SDO 027 None No 4 1 1 No No No No 6.30 4.28 <2 4.0 0.362 29 <0.1 0.669 0.057 <5.0 5/16/2014 SDO 028 Red -Brown No 3 3 3 No No No No 5/16/2014 SDO 029 None No 4 2 3 No No No No 5/16/2014 SDO 030 Orange -Brown No 3 2 1 No No No No 6.44 24.40 <2 6.0 0.137 40 <0.1 0.644 0.068 <5.0 5/16/2014 SDO 031 None No 4 1 1 No No No No 5/16/2014 SDO 032 None No 4 1 1 No No No No 5/16/2014 SDO 033 None No 4 1 1 No No No No 6.42 32.08 6.16 18.0 0.138 21 <0.1 0.256 0.116 <5.0 5/16/2014 SDO 036 Red -Brown No 2 1 2 No No No No 5/16/2014 SDO 038 None No 2 1 1 No No No No 5/16/2014 SDO 040 None No 1 1 1 No No No No 6/10/2014 SDO 027 9 9/17/2014 SDO 004 None No 1 2 1 Yes No No No 6.66 6.55 <2 <6.7 <0.10 7 <0.1 0.790 0.071 <5.0 9/17/2014 SDO 007 None No 1 1 1 Yes No No No 9/17/2014 SDO 009 None No 1 1 1 No No No No 9/17/2014 SDO 019 None No 1 2 1 No No No No 9/17/2014 SDO 020 None No 1 1 1 No No No No 9/17/2014 SDO 033 None No 1 1 1 Yes No No No 6.79 2.91 <2 <5.0 0.221 11 <0.1 0.389 0.050 <5.0 9/17/2014 SDO 036 None No 1 1 1 No No No No 11/24/2014 SDO 001 Orange No 2 1 1 No No No No 11/24/2014 SDO 002 11/24/2014 SDO 003 Orange Orange No No 2 2 1 1 1 1 No No No No No No No No 11/24/2014 SDO 004 11/24/2014 SDO 005 None None No No 1 1 1 1 1 1 No No No No No No No No 6.97 14.91 <2 <5.0 <0.10 24 <0.1 0.589 0.083 <5.0 >100% <10.0 <10.0 11/24/2014 SDO 007 11/24/2014 SDO 008 None None No No 1 1 2 2 1 1 No No No No No No No No 11/24/2014 SDO 009 11/24/2014 SDO16A None Orange No No 1 2 1 1 1 1 No No No No No No No No 7.22 94.70 2.10 60 <0.10 39 <0.1 0.277 0.128 <5.0 >100% <10.0 <10.0 11/24/2014 SDO 019 11/24/2014 SDO 020 None None No No 1 1 1 1 1 1 No No No No No No No No 11/24/2014 SDO 023 11/24/2014 SDO 024 None None No No 1 1 1 1 1 1 No No No No No No No No 7.13 2.61 <2 <5.0 <0.10 13 <0.1 0.051 0.052 <5.0 >100% <10.0 <10.0 11/24/2014 SDO 026 None No 1 1 1 No No No No 6.86 3.03 <2 <5.0 <0.10 16 <0.1 1.01 0.068 <5.0 >100% <10.0 <10.0 11/24/2014 SDO 030 None No 1 1 1 No No No No 7.03 2.68 <2 6.60 0.102 5 <0.1 1.26 0.067 <5.0 >100% <10.0 <10.0 11/24/2014 SDO 031 None No 1 1 1 No No No No 11/24/2014 SDO 033 None No 1 1 1 No No No No 7.19 3.81 30.8 5.60 <0.10 53 <0.1 0.632 0.091 <5.0 >100% <10.0 20.5 11/24/2014 SDO 036 None No 1 1 1 No No No No 11/24/2014 IS #01 7.03 6.60 11.62 >100% 11/24/2014 IS #02 6.82 14.13 8.93 >100% 11/24/2014 IS #05 7.48 21.57 9.04 >100% 11/24/2014 IS #06 7.29 17.52 10.51 >100% 11/24/2014 IS #07 7.15 9.63 8.27 >100% 11/24/2014 IS #08 7.37 13.04 9.38 >100% 11/24/2014 IS #10 7.20 34.30 8.61 >100% 11/24/2014 IS #11 1 1 1 1 1 1 1 1 1 1 6.99 33.68 8.80 1 1 1 1 1 1 >100% Piedmont Triad International Airport NCS000508 NPDES Permit Renewol Application Sheet 12 of 24 1212712019 Supplemental Information Required for Renewal of Individual NPDES Stormwater Permit Visual and Analytical Data Summary (continued) Date Location Color Odor Clarity FS SS Foam Sheen Eros.Dep. Other pH Turb. D.O. BOD TSS NH3-N COD MBAS NO3+NO2-N Total P 0&G AT EG PG 12/29/2014 SDO 004 None No 1 1 1 No No No No 6.72 3.62 <0.10 41 >100% <10.0 12.5 12/29/2014 SDO16A Brown No 2 1 2 No No No Yes 6.94 15.5 <0.10 43 >100% <10.0 20.8 12/29/2014 SDO 024 None No 1 1 1 No No No No 6.70 14.2 <0.10 28 >100% <10.0 20.3 12/29/2014 SDO 026 None No 1 1 1 No No No No 6.81 <2 <0.10 7 >100% <10.0 <10.0 12/29/2014 SDO 030 None No 1 1 1 No No No No 6.94 2.13 <0.10 23 >100% <10.0 <10.0 12/29/2014 SDO 033 None No 1 1 1 No No No No 7.21 28.2 <0.10 82 >100% <10.0 38.8 12/29/2014 IS #01 7.08 6.59 10.34 >100% 12/29/2014 IS #02 6.69 17.77 9.10 >100% 12/29/2014 IS #05 6.97 29.80 9.68 >100% 12/29/2014 IS #06 7.16 40.34 9.87 >100% 12/29/2014 IS #07 6.57 30.24 9.47 >100% 12/29/2014 IS #08 7.12 13.21 9.84 >100% 12/29/2014 IS #10 6.91 40.84 9.76 >100% 12/29/2014 IS #11 7.27 25.30 9.42 >100% 1/3/2015 SDO 002 None No 1 1 1 No No No Yes 1/3/2015 SDO 003 1/3/2015 SDO 004 Orange Brown No No 2 1 1 1 1 1 No No No No No No No No 6.90 19.63 10.2 7.8 0.156 47 <0.1 0.307 0.073 <5.0 >100% <10.0 <10.0 1/3/2015 SDO 005 1/3/2015 SDO 007 None None No No 1 1 1 1 1 1 No No No No No No No No 1/3/2015 SDO 008 1/3/2015 SDO 009 None None No No 1 1 1 1 1 1 No No No No No No No No 1/3/2015 SDO16A 1/3/2015 SDO 017 Brown None No No 1 1 1 1 1 1 No No No No Yes No No No 7.06 43.23 3.53 14.8 0.147 27 <0.1 0.169 0.054 <5.0 >100% <10.0 <10.0 1/3/2015 SDO 019 1/3/2015 SDO 020 None None No No 1 1 1 1 1 1 No No No No No No No No 1/3/2015 SDO 023 None No 1 1 1 Yes No No No 1/3/2015 SDO 024 None No 1 1 1 No No No No 6.78 1.87 35.0 <5.0 <0.10 51 <0.1 <0.050 0.062 <5.0 >100% <10.0 38.8 1/3/2015 SDO 026 None No 1 1 1 No No No No 6.59 3.79 <2 <5.0 <0.10 6 <0.1 0.828 0.05 <5.0 >100% 13.7 <10.0 1/3/2015 SDO 030 None No 1 1 1 No No No No 6.95 9.84 <2 6.60 <0.10 20 <0.1 0.864 0.075 <5.0 >100% <10.0 <10.0 1/3/2015 SDO 031 Brown No 1 1 1 No No No No 1/3/2015 SDO 033 None No 1 1 1 No No No No 7.18 3.46 140 <5.0 <0.10 253 <0.1 0.799 0.128 <5.0 >100% <10.0 212 1/3/2015 SDO 036 None No 1 1 1 No No No No 1/3/2015 IS #01 7.05 4.16 11.76 >100% 1/3/2015 IS #02 6.89 10.60 9.95 >100% 1/3/2015 IS #05 7.18 13.80 10.96 >100% 1/3/2015 IS #06 7.25 15.86 10.87 >100% 1/3/2015 IS #07 7.08 16.77 10.67 >100% 1/3/2015 IS #08 7.17 25.94 10.81 >100% 1/3/2015 IS #10 6.87 29.32 10.95 >100% 1/3/2015 IS #11 7.33 40.46 10.63 >100% 1/23/2015 SDO 004 1/23/2015 SDO16A Orange Brown No No 2 2 1 1 1 1 No No No No No Yes No No 7.29 6.87 20.5 3.19 <0.10 <0.10 60.0 23.0 >100% <10.0 >100% <10.0 15.7 <10.0 Piedmont Triad International Airport NCS000508 NPDES Permit Renewol Application Sheet 13 of 24 1212712019 Supplemental Information Required for Renewal of Individual NPDES Stormwater Permit Visual and Analytical Data Summary (continued) Date Location Color Odor Clarity FS SS Foam Sheen Eros.Dep. Other pH Turb. D.O. BOD TSS NH3-N COD WAS NO3+NO2-N Total P ON AT EG PG 1/23/2015 SDO 024 None No 1 1 1 No No No No 7.06 45.3 <0.10 82.0 >100% <10.0 47.0 1/23/2015 SDO 026 None No 1 1 1 No No No No 6.79 4.15 <0.10 29.0 >100% <10.0 <10.0 1/23/2015 SDO 030 None No 1 1 1 No No No No 6.82 <2 <0.10 12.0 >100% <10.0 <10.0 1/23/2015 SDO 033 None No 1 1 1 No No No No 7.40 119 <0.10 192 >100% <10.0 78.8 1/23/2015 IS #01 7.25 5.07 11.72 >100% 1/23/2015 IS #02 6.82 33.82 11.26 >100% 1/23/2015 IS #05 7.33 40.95 10.54 >100% 1/23/2015 IS #06 7.30 20.99 11.72 >100% 1/23/2015 IS #07 7.31 45.54 11.85 >100% 1/23/2015 IS #08 7.32 33.80 10.05 >100% 1/23/2015 IS #10 7.60 30.20 10.33 >100% 1/23/2015 IS #11 7.32 24.00 14.77 >100% 2/17/2015 SDO 024 30.9 2/17/2015 SDO 033 12.5 28.0 6/2/2015 SDO 004 None No 1 1 1 No No No No 6.93 3.80 2.25 <5 <0.100 8 <0.1 1.18 0.108 <5 6/2/2015 SDO 007 6/2/2015 SDO 008 None None No No 1 1 1 1 1 1 Yes No No No No No No No 6/2/2015 SDO 009 6/2/2015 SDO 020 None None No No 1 1 1 1 1 1 No No No No No No No No 6/2/2015 SDO 023 6/2/2015 SDO 026 None None No No 1 1 1 1 1 1 No No No No No No No No 6.92 4.32 <2 12.8 0.124 <5 <0.1 1.28 0.138 <5 6/2/2015 SDO 030 6/2/2015 SDO 033 None None No No 1 1 1 1 1 1 No No No No No No No No 7.44 8.83 6.58 3.00 <2 2.09 <5 <5 <0.1 <0.1 18 <5 <0.1 1.60 <0.1 0.508 0.108 <5 0.086 <5 6/2/2015 SDO 036 None No 1 1 1 No No No No 9/11/2015 SDO 004 9/11/2015 SDO 007 None None No No 1 1 1 2 1 1 No Yes Yes No No No No No 7.04 1.52 <2 <5 <0.1 8 <0.1 1.27 <0.050 <5 9/11/2015 SDO 008 9/11/2015 SDO 030 None None No No 1 1 1 1 1 1 No No No No No No No No 7.46 0.06 <2 <5 <0.1 <5 <0.1 1.21 0.058 <5 9/11/2015 SDO 033 9/11/2015 SDO 038 None None No No 1 1 1 1 1 1 No No No No No No No No 8.34 9.97 2.02 <5 <0.1 13 <0.1 0.565 <0.050 <5 12/22/2015 SDO 001 12/22/2015 SDO 002 Tan Tan No No 2 2 1 1 2 2 No No No No No No No No 12/22/2015 SDO 003 Tan No 2 1 1 No No No No 12/22/2015 SDO 004 None No 1 1 1 Yes No No No 7.05 8.23 5.88 <5 <0.1 30 <0.1 0.206 0.126 <5 >100% <10.0 <10.0 12/22/2015 SDO 005 None No 1 1 1 No No No No 12/22/2015 SDO 007 None No 1 1 1 Yes No No No 12/22/2015 SDO 008 None No 1 1 1 No No No No 12/22/2015 SDO 009 None No 1 1 1 No No No No 12/22/2015 SDO 016A Tan No 2 1 1 No No Yes No 6.95 33.27 3.32 37.8 <0.1 35 <0.1 <0.050 0.115 <5 >100% <10.0 <10.0 12/22/2015 SDO 017 None No 1 1 1 No No No No 12/22/2015 SDO 019 None No 1 1 1 No No No No 12/22/2015 SDO 020 None No 1 1 1 No No No No 12/22/2015 SDO 023 None No 1 1 1 No No No No 12/22/2015 SDO 024 None No 1 1 1 No No No No 6.96 3.03 9.9 <5 <0.1 17 <0.1 <0.050 0.063 <5 >100% <10.0 11.8 12/22/2015 SDO 028 None No 1 1 1 Yes No No No Piedmont Triad International Airport NCS000508 NPDES Permit Renewal Application Sheet 14 of 24 1212712019 Supplemental Information Required for Renewal of Individual NPDES Stormwater Permit Visual and Analytical Data Summary (continued) Date Location Color Odor Clarity FS SS Foam Sheen Eros.Dep. Other pH Turb. D.O. BOD TSS NH3-N COD WAS NO3+NO2-N Total P ON AT EG PG 12/22/2015 SDO 029 None No 1 1 1 No No No No 12/22/2015 SDO 030 None No 1 1 1 No No No No 6.94 4.92 <2 <5 <0.1 10 <0.1 0.96 0.164 <5 >100% <10.0 <10.0 12/22/2015 SDO 033 None No 1 1 1 No No No No 7.63 5.78 3.4 <5 <0.1 13 <0.1 0.643 0.127 <5 >100% <10.0 <10.0 12/22/2015 SDO 036 None No 1 1 1 No No No No 12/22/2015 SDO 038 None No 1 1 1 No No No No 12/22/2015 SDO 040 None No 1 1 1 No No No No 12/22/2015 IS #01 6.94 19.1 11.18 >100% 12/22/2015 IS #02 6.81 23.48 11.63 >100% 12/22/2015 IS #05 7.42 37.42 10.47 >100% 12/22/2015 IS #06 6.93 44.88 10.88 >100% 12/22/2015 IS #07 7.25 41.26 10.89 >100% 12/22/2015 IS #08 8.02 12.03 11.09 >100% 12/22/2015 IS #10 7.01 20.97 14.42 >100% 12/22/2015 IS #11 6.98 29.94 15.67 >100% 1/22/2016 SDO 004 None No 1 1 1 Yes No No No 6.32 1110 <0.1 1700 >100% 14.2 1260 1/22/2016 SDO 024 1/22/2016 SDO 030 None None No No 1 1 1 1 1 1 No No No No No No No No 6.73 6.58 <2 <2 <0.1 <0.1 <5 15 >100% <10.0 >100% <10.0 <10.0 <10.0 1/22/2016 SDO 033 1/22/2016 IS #01 None No 1 1 1 No No Yes No 8.69 7.03 6.49 6.37 2.56 <0.1 9 >100% <10.0 >100% <10.0 1/22/2016 IS #02 1/22/2016 IS #05 6.83 7.13 13.94 9.82 7.24 7.48 >100% >100% 1/22/2016 IS #06 1/22/2016 IS #07 7.01 6.92 10.34 5.07 7.08 6.38 >100% >100% 1/22/2016 IS #08 1/22/2016 IS #10 6.75 6.77 8.31 6.35 7.89 6.86 >100% >100% 1/22/2016 IS #11 6.82 5.43 6.98 >100% 2/16/2016 SDO 001 None No 1 1 1 No No No No 2/16/2016 SDO 002 None No 1 1 1 No No No No 2/16/2016 SDO 003 orange No 1 1 1 No No No No 2/16/2016 SDO 004 None Yes 1 1 1 No No No No 7.59 23.4 122 15.2 <0.1 251 <0.1 0.083 0.149 <5 >100% <10.0 165 2/16/2016 SDO 005 None No 1 1 1 No No No No 2/16/2016 SDO 007 None No 1 1 1 No No No No 2/16/2016 SDO 008 None No 1 1 1 No No No No 2/16/2016 SDO 009 None No 1 1 1 No No No No 2/16/2016 SDO 013 None No 1 1 1 No No No No 2/16/2016 SDO 014 None No 1 1 1 No No No No 2/16/2016 SDO 015 None No 1 1 1 No No No No 2/16/2016 SDO 016 None No 1 1 1 No No No No 2/16/2016 SDO 016A None No 1 1 1 No No Yes No 7.46 31.24 4 12.7 <0.1 21 <0.1 0.115 0.178 <5 >100% <10.0 <10.0 2/16/2016 SDO 017 None No 1 1 1 No No No No 2/16/2016 SDO 018 2/16/2016 SDO 019 None None No No 1 1 1 1 1 1 No No No No No No No No 2/16/2016 SDO 020 2/16/2016 SDO 023 None None No No 1 1 1 1 1 1 No No No No No No No No 2/16/2016 SDO 024 2/16/2016 SDO 026 None None No No 1 1 1 1 1 1 No No No No No No No No 7.13 6.9 12.04 25.78 40.8 7.48 8.33 16 <0.1 <0.1 130 32 <0.1 0.13 <0.1 0.178 0.181 <5 0.156 <5 >100% <10.0 >100% <10.0 74.5 <10.0 Piedmont Triad International Airport NCS000508 NPDES Permit Renewal Application Sheet 15 of 24 1212712019 Supplemental Information Required for Renewal of Individual NPDES Stormwater Permit Visual and Analytical Data Summary (continued) Date Location Color Odor Clarity FS SS Foam Sheen Eros.Dep. Other pH Turb. D.O. BOD TSS NH3-N COD WAS NO3+NO2-N Total P ON AT EG PG 2/16/2016 SDO 028 None No 1 1 1 No No No No 2/16/2016 SDO 029 None No 1 1 1 No No No No 2/16/2016 SDO 030 None No 1 1 1 No No No No 7.12 10.94 <2 8.33 0.127 13 <0.1 0.59 0.125 <5 >100% <10.0 <10.0 2/16/2016 SDO 031 orange No 2 1 1 No No No No 2/16/2016 SDO 033 None Yes 1 1 1 No No No No 7.28 10.21 171 14.2 <0.1 315 <0.1 0.277 0.263 <5 >100% <10.0 19.9 2/16/2016 SDO 036 None No 1 1 1 No No No No 2/16/2016 SDO 038 None No 1 1 1 No No No No 2/16/2016 IS #01 7.09 45.06 13.67 >100% 2/16/2016 IS #02 7.08 48.97 14.27 >100% 2/16/2016 IS #05 7.22 47.9 13.21 >100% 2/16/2016 IS #06 7.14 48.72 16.41 >100% 2/16/2016 IS #07 7.47 43.69 23.53 >100% 2/16/2016 IS #08 7.52 20.41 16.83 >100% 2/16/2016 IS #10 2/16/2016 IS #11 7.29 7.27 28.2 30.33 12.15 23.98 >100% >100% 6/24/2016 SDO 004 6/24/2016 SDO 005 None None No No 1 1 1 1 1 1 Yes No No No No No No No 7.26 3.01 2.49 <5 <0.1 14 <0.1 0.965 0.056 <5 6/24/2016 SDO 007 6/24/2016 SDO 008 None None No No 1 1 1 1 1 1 No No No No No No No No 6/24/2016 SDO 009 6/24/2016 SDO 019 None None No No 1 1 1 1 1 1 No No No No No No No No 6/24/2016 SDO 020 6/24/2016 SDO 023 None None No No 1 1 1 1 1 1 No No No No No No No No 6/24/2016 SDO 024 6/24/2016 SDO 030 None None No No 1 1 1 1 1 1 No No No No No No No No 7.54 7.45 1.41 0.64 7.16 <2 <5 <5 <0.1 <0.1 60 10 0.388 0.695 <0.1 1.17 0.236 <5 <0.050 <5 6/24/2016 SDO 033 None No 1 1 1 No No No No 7.61 3.59 5.02 5.6 <0.1 14 <0.1 0.542 0.115 <5 6/24/2016 SDO 036 None No 1 1 1 No No No No 9/19/2016 SDO 004 None No 1 1 1 No No No No 7.41 7.68 3.61 <5 <0.1 21 <0.1 0.73 0.174 <5 9/19/2016 SDO 005 9/19/2016 SDO 007 None None No No 1 1 1 1 1 1 No Yes No No No No No No 9/19/2016 SDO 008 9/19/2016 SDO 009 None None No No 1 1 1 1 1 1 No No No No No No No No 9/19/2016 SDO 019 None No 1 1 1 No No No No 9/19/2016 SDO 020 None No 1 1 1 No No No No 9/19/2016 SDO 023 None No 1 1 1 No No No No 9/19/2016 SDO 024 None No 1 1 1 No No No No 7.99 5.07 8.4 8.4 0.211 59 0.85 0.415 0.214 <5 9/19/2016 SDO 030 None No 1 1 1 No No No No 7.85 11.84 3.1 <5 <0.1 28 0.387 0.798 0.242 <5 9/19/2016 SDO 033 None No 1 1 1 No No No No 8.6 6.83 3.17 <5 <0.1 <5 <0.1 0.965 0.161 <5 9/19/2016 SDO 036 None No 1 1 1 No No No No 9/19/2016 SDO 038 None No 1 1 1 No No No No 11/29/2016 SDO 004 None No 1 1 1 No No No No 7.37 30.98 3.89 13.4 0.163 16 <0.1 0.677 0.452 <5 >100% <10.0 <10.0 11/29/2016 SDO 005 None No 1 1 1 Yes No No No 11/29/2016 SDO 007 None No 1 1 1 Yes No No No 11/29/2016 SDO 008 None No 1 1 1 No No No No 11/29/2016 SDO 009 None No 1 1 1 No No No No Piedmont Triad International Airport NCS000508 NPDES Permit Renewal Application Sheet 16 of 24 1212712019 Supplemental Information Required for Renewal of Individual NPDES Stormwater Permit Visual and Analytical Data Summary (continued) Date Location Color Odor Clarity FS SS Foam Sheen Eros.Dep. Other pH Turb. D.O. BOD TSS NH3-N COD MBAS NO3+NO2-N Total P 0&G AT EG PG 11/29/2016 SDO 019 None No 1 1 1 No No No No 11/29/2016 SDO 020 None No 1 1 1 No No No No 11/29/2016 SDO 024 None No 1 1 1 No No No No 7.44 2.27 17 <5 0.119 67 0.116 0.279 0.898 <5 >100% <10.0 <10.0 11/29/2016 SDO 033 None No 1 1 1 No No No No 7.11 15.25 14.7 18.6 0.115 20 0.271 1.9 0.406 <5 >100% <10.0 <10.0 11/29/2016 SDO 036 None No 1 1 1 No No No No 11/29/2016 SDO 038 None No 1 1 1 No No No No 11/29/2016 IS #01 7.35 11.11 9.9 >100% 11/29/2016 IS #02 7.25 44.44 8.36 >100% 11/29/2016 IS #05 7.58 48.87 6.79 >100% 11/29/2016 IS #06 7.51 46.07 8.52 >100% 11/29/2016 IS #07 7.58 45.23 7.84 >100% 11/29/2016 IS #10 7.8 18.41 10.89 >100% 11/29/2016 IS #11 7.24 11.39 10.09 >100% 12/18/2016 SDO 004 12/18/2016 SDO 016A None None No No 1 1 1 1 1 1 No No No No No No No No 8.26 6.88 4.14 334 <0.1 0.217 16 633 >100% <10.0 >100% <10.0 <10.0 <10.0 12/18/2016 SDO 024 12/18/2016 SDO 030 None None No No 1 1 1 1 1 1 No No No No No No No No 7.39 7.51 252 <2 <0.1 0.125 452 21 >100% 13.1 >100% <10.0 119 <10.0 12/18/2016 SDO 033 12/18/2016 IS #01 None No 1 1 1 No No No No 7.31 7.24 13.91 12.37 10.6 <0.1 17 >100% <10.0 >100% <10.0 12/18/2016 IS #02 12/18/2016 IS #05 7.22 7.5 76.85 22.02 9.18 8.94 >100% >100% 12/18/2016 IS #06 12/18/2016 IS #07 7.2 7.52 16.8 9.03 11.61 8.13 >100% >100% 12/18/2016 IS #10 12/18/2016 IS #11 7.66 7.31 10.91 7.28 8.49 12.83 >100% >100% 1/2/2017 SDO 001 orange No 3 1 1 No No No No 1/2/2017 SDO 002 orange No 3 1 1 No No No No 1/2/2017 SDO 003 None No 1 1 1 No No No No 1/2/2017 SDO 004 None No 1 1 1 No No No No 5.95 15.96 3.62 6 0.507 19 <0.1 0.069 0.097 <5 >100% <10.0 <10.0 1/2/2017 SDO 005 None No 1 1 1 No No No No 1/2/2017 SDO 007 Tan No 2 1 1 No No No No 1/2/2017 SDO 008 Tan No 2 1 1 No No No No 1/2/2017 SDO 009 None No 1 1 1 No No No No 1/2/2017 SDO 012 None No 1 1 1 No No No No 1/2/2017 SDO 014 None No 1 1 1 No No No No 1/2/2017 SDO 015 None No 1 1 1 No No No No 1/2/2017 SDO 016 None No 1 1 1 No No No No 1/2/2017 SDO 016A None No 1 1 1 No No No No 5.81 24.66 2.79 8.8 <0.1 21 <0.1 0.056 0.129 <5 >100% <10.0 <10.0 1/2/2017 SDO 017 None No 1 1 1 No No No No 1/2/2017 SDO 018 None No 1 1 1 No No No No 1/2/2017 SDO 019 1/2/2017 SDO 020 None None No No 1 1 1 1 1 1 No No No No No No No No 1/2/2017 SDO 023 1/2/2017 SDO 024 None None No No 1 1 1 1 1 1 No No No No No No No No 6.62 4.34 2.4 <5 <0.1 8 <0.1 <0.050 0.075 <5 >100% <10.0 <10.0 1/2/2017 SDO 025 1/2/2017 SDO 026 None None No No 1 1 1 1 1 1 No No No No No I No No I No 1 6.67 12.94 1 <2 <5 <0.1 1 8 <0.1 0.303 0.135 <5 >100% <10.0 <10.0 Piedmont Triad International Airport NCS000508 NPDES Permit Renewol Application Sheet 17 of 24 1212712019 Supplemental Information Required for Renewal of Individual NPDES Stormwater Permit Visual and Analytical Data Summary (continued) Date Location Color Odor Clarity FS SS Foam Sheen Eros.Dep. Other pH Turb. D.O. BOD TSS NH3-N COD MBAS NO3+NO2-N Total P 0&G AT EG PG 1/2/2017 SDO 027 None No 1 1 1 No No No No 6.06 4.35 <2 <5 <0.1 <5 0.121 <0.050 <0.050 <5 >100% <10.0 <10.0 1/2/2017 SDO 028 None No 1 1 1 No No No No 1/2/2017 SDO 029 None No 1 1 1 No No No No 1/2/2017 SDO 030 None No 1 1 1 No No No No 5.91 14.88 <2 10 <0.1 7 0.123 <0.050 0.07 <5 >100% <10.0 <10.0 1/2/2017 SDO 031 None No 1 1 1 No No No No 1/2/2017 SDO 033 None No 1 1 1 No No No No 6.38 7.32 7.04 <5 <0.1 11 <0.1 0.31 0.065 <5 >100% <10.0 <10.0 1/2/2017 SDO 036 None No 1 1 1 No No No No 1/2/2017 SDO 038 None No 1 1 1 No No No No 1/2/2017 SDO 040 None No 1 1 1 No No No No 1/2/2017 SDO 062 None No 1 1 1 No No No No 1/2/2017 IS #01 6.03 13.32 9.8 >100% 1/2/2017 IS #02 6.52 28.03 10.8 >100% 1/2/2017 IS #05 6.82 45.07 11.34 >100% 1/2/2017 IS #06 1/2/2017 IS #07 6.68 6.65 39.73 16.71 11.44 12.69 >100% >100% 1/2/2017 IS #8A 1/2/2017 IS #10 6.88 6.49 26.99 23.36 11.55 10.77 >100% >100% 1/2/2017 IS #11 6.8 33.53 13.12 >100% 3/14/2017 SDO 004 None No 2 1 2 Yes No No No 6.67 8.92 <0.1 34 >100% <10.0 <10.0 3/14/2017 SDO 024 3/14/2017 SDO 030 None None No No 1 1 1 1 1 1 No No No No No No No No 7.2 6.9 17.8 <2 <0.1 <0.1 40 21 >100% <10.0 >100% <10.0 <10.0 <10.0 3/14/2017 SDO 033 3/14/2017 IS #01 None No 1 1 1 No No No No 7.5 7.05 6.43 15.81 <2 <0.1 <5 >100% <10.0 >100% <10.0 3/14/2017 IS #02 3/14/2017 IS #05 7.25 7.4 11.98 18.48 20.76 13.15 >100% >100% 3/14/2017 IS #06 6.89 19.13 19.67 >100% 3/14/2017 IS #07 6.95 14.27 12.6 >100% 3/14/2017 IS #10 6.81 16.79 17.46 >100% 3/14/2017 IS #11 6.87 13.14 17.25 >100% 6/5/2017 SDO 004 None No 1 1 1 No No No No 6.98 8.83 <2 <5 <0.1 6 <0.1 0.309 0.059 <5 6/5/2017 SDO 005 None No 1 1 1 No No No No 6/5/2017 SDO 007 None No 1 1 1 No No No No 6/5/2017 SDO 008 None No 1 1 1 No No No No 6/5/2017 SDO 009 None No 1 1 1 No No No No 6/5/2017 SDO 016 Tan No 2 1 1 No No No No 6/5/2017 SDO 016A Tan No 2 1 1 No No No No 6.47 48.18 2.78 23.4 <0.1 19 0.156 0.098 0.1 <5 6/5/2017 SDO 019 None No 1 1 1 No No No No 6/5/2017 SDO 020 None No 1 1 1 No No No No 6/5/2017 SDO 024 None No 1 1 1 No No No No 6.79 1.5 2.53 <5 <0.1 12 0.145 <0.050 0.067 <5 6/5/2017 SDO 028 None No 1 1 1 No No No No 6/5/2017 SDO 029 6/5/2017 SDO 030 None None No No 1 1 1 1 1 1 No No No No No No No No 6.89 0.75 <2 <5 <0.1 <5 <0.1 1.03 0.056 <5 6/5/2017 SDO 033 6/5/2017 SDO 036 None None No No 1 1 1 1 1 1 No No No No No No No No 8.94 3.27 <2 <5 <0.1 <5 <0.1 0.32 0.056 <5 6/5/2017 SDO 062 None No 1 1 1 No No No No Piedmont Triad International Airport NCS000508 NPDES Permit Renewol Application Sheet 18 of 24 1212712019 Supplemental Information Required for Renewal of Individual NPDES Stormwater Permit Visual and Analytical Data Summary (continued) Date Location Color Odor Clarity FS SS Foam Sheen Eros.Dep. Other pH Turb. D.O. BOD TSS NH3-N COD MBAS NO3+NO2-N Total P 0&G AT EG PG 9/12/2017 SDO 003 Tan No 1 1 1 No No No No 9/12/2017 SDO 004 None No 1 1 1 No No No No 6.34 11.22 <2 <5 <0.1 20 <0.1 0.725 0.058 <5 9/12/2017 SDO 005 None No 1 1 1 No No No No 9/12/2017 SDO 007 None No 1 1 1 No No No No 9/12/2017 SDO 008 None No 1 1 1 No No No No 9/12/2017 SDO 009 None No 1 1 1 No No No No 9/12/2017 SDO 012 None No 1 1 1 No No No No 9/12/2017 SDO 013 None No 1 1 1 No No No No 9/12/2017 SDO 014 None No 1 1 1 No No No No 9/12/2017 SDO 015 None No 1 1 1 No No No No 9/12/2017 SDO 016 None No 1 1 1 No No No No 9/12/2017 SDO 016A None No 1 1 1 No No No No 6.27 25.32 <2 12.2 <0.1 10 <0.1 0.467 0.061 <5 9/12/2017 SDO 017 None No 1 1 1 No No No No 9/12/2017 SDO 018 9/12/2017 SDO 019 None None No No 1 1 1 1 1 1 No No No No No No No No 9/12/2017 SDO 020 9/12/2017 SDO 023 None None No No 1 1 1 1 1 1 No No No No No No No No 9/12/2017 SDO 024 9/12/2017 SDO 026 None None No No 1 1 1 1 1 1 No No No No No No No No 6.48 6.87 2.98 17.82 <2 4.55 <5 <5 <0.1 <0.1 <5 15 <0.1 0.357 <0.1 3.21 <0.050 <5 <0.050 <5 9/12/2017 SDO 027 9/12/2017 SDO 028 None None No No 1 1 1 1 1 1 No No No No No No No No 7.43 3.49 3.04 <5 <0.1 28 0.563 0.733 <0.050 <5 9/12/2017 SDO 029 9/12/2017 SDO 030 None None No No 1 1 1 1 1 1 No No No No No No No No 6.71 8.17 2.82 <5 <0.1 20 0.25 0.54 <0.050 <5 9/12/2017 SDO 031 9/12/2017 SDO 033 None None No No 1 1 1 1 1 1 No No No No No No No No 8.63 9.03 <2 <5 <0.1 <5 <0.1 0.873 <0.050 <5 9/12/2017 SDO 036 None No 1 1 1 No No No No 9/12/2017 SDO 038 None No 1 1 1 No No No No 9/12/2017 SDO 040 None No 1 1 1 No No No No 9/12/2017 SDO 062 None No 1 1 1 No No No No 12/9/2017 SDO 004 None No 2 1 2 Yes No No No 6.42 17.29 6.48 <0.1 9 >100% <10.0 <10.0 12/9/2017 SDO 024 None No 1 1 1 No No No No 6.89 9.54 714 <0.1 1150 >100% <10.0 486 12/9/2017 SDO 030 None No 2 1 2 Yes No No No 7.12 48.37 2.47 <0.1 24 >100% <10.0 <10.0 12/9/2017 SDO 033 None No 1 1 1 Yes No No No 8.68 8.32 736 <0.1 1100 >100% <10.0 <10.0 12/9/2017 IS #01 6.02 11.9 >100% 12/9/2017 IS #02 7.01 10.92 >100% 12/9/2017 IS #05 6.38 15.61 >100% 12/9/2017 IS #06 6.52 17.79 >100% 12/9/2017 IS #07 6.37 24.81 >100% 12/9/2017 IS MA 6.12 14.26 >100% 12/9/2017 IS #10 6.97 13.01 >100% 12/9/2017 IS #11 6.99 21.83 >100% 12/20/2017 SDO 004 Tan No 1 1 1 No No No No 6.83 32.17 260 27 <0.1 418 <0.1 1.09 0.118 <5 >100% <10.0 181 12/20/2017 SDO 005 12/20/2017 SDO 007 None Tan No No 1 1 1 1 1 1 No No No No No No No No 12/20/2017 SDO 008 12/20/2017 SDO 009 Tan None No No 1 1 1 1 1 1 No No No No No No No No Piedmont Triad International Airport NCS000508 NPDES Permit Renewol Application Sheet 19 of 24 1212712019 Supplemental Information Required for Renewal of Individual NPDES Stormwater Permit Visual and Analytical Data Summary (continued) Date Location Color Odor Clarity FS SS Foam Sheen Eros.Dep. Other pH Turb. D.O. BOD TSS NH3-N COD MBAS NO3+NO2-N Total P 0&G AT EG PG 12/20/2017 SDO 016A Tan No 1 1 1 No No No No 6.68 43.94 60.7 22.7 <0.1 117 0.156 0.832 0.579 <5 >100% <10.0 <10.0 12/20/2017 SDO 019 Tan No 1 1 1 No No No No 12/20/2017 SDO 020 None No 1 1 1 No No No No 12/20/2017 SDO 023 Tan No 1 1 1 No No No No 12/20/2017 SDO 024 None No 1 1 1 No No No No 7.11 5.19 295 29 <0.1 451 0.176 0.3 1.04 <5 >100% <10.0 162 12/20/2017 SDO 027 Tan Yes 1 1 1 Yes No No No 7.47 17.32 5.29 12.8 <0.1 63 1.14 1.28 0.122 <5 >100% <10.0 <10.0 12/20/2017 SDO 028 None No 1 1 1 No No No No 12/20/2017 SDO 029 None No 1 1 1 No No No No 12/20/2017 SDO 030 None No 1 1 1 No No No No 7.02 11.12 3.12 14.4 <0.1 29 0.453 0.635 0.065 <5 >100% <10.0 <10.0 12/20/2017 SDO 031 Tan No 1 1 1 No No No No 12/20/2017 SDO 033 None No 1 1 1 No No No No 8.63 13.44 328 15.6 <0.1 493 <0.1 0.964 0.113 <5 >100% <10.0 176 12/20/2017 SDO 036 None No 1 1 1 No No No No 12/20/2017 IS #01 7.19 21.38 9.87 >100% 12/20/2017 IS #02 12/20/2017 IS #05 6.92 6.89 25.09 31.17 10.32 11.03 >100% >100% 12/20/2017 IS #06 12/20/2017 IS #07 6.93 7.01 23.82 41.37 10.79 10.91 >100% >100% 12/20/2017 IS #8A 12/20/2017 IS #10 6.97 7.03 39.63 36.41 10.83 10.76 >100% >100% 12/20/2017 IS #11 7.16 23.4 11.86 >100% 1/12/2018 SDO 004 None No 1 1 1 No No No No 6.88 7.32 6.62 <5 <0.1 8 <0.1 1.39 <0.050 <5 >100% <10.0 <10.0 1/12/2018 SDO 005 1/12/2018 SDO 007 None None No No 1 1 1 1 1 1 No No No No No No No No 1/12/2018 SDO 008 1/12/2018 SDO 009 None None No No 1 1 1 1 1 1 No No No No No No No No 1/12/2018 SDO 019 None No 1 1 1 No No No No 1/12/2018 SDO 020 None No 1 1 1 No No No No 1/12/2018 SDO 023 None No 1 1 1 No No No No 1/12/2018 SDO 033 None No 1 1 1 No No No No 7.83 4.27 35.7 <5 <0.1 43 0.116 1.61 <0.050 <5 >100% <10.0 <10.0 1/12/2018 SDO 036 None No 1 1 1 No No No No 1/12/2018 SDO 038 None No 1 1 1 No No No No 1/12/2018 SDO 040 None No 1 1 1 No No No No 1/12/2018 IS #01 6.73 9.21 10.01 >100% 1/12/2018 IS #02 7.12 11.51 10.74 >100% 1/12/2018 IS #05 7.42 7.68 9.32 >100% 1/12/2018 IS #06 7.14 12.32 8.76 >100% 1/12/2018 IS #07 6.08 6.97 8.91 >100% 1/12/2018 IS #8A 7.11 10.38 9.86 >100% 1/12/2018 IS #10 7.18 18.38 10.67 >100% 1/12/2018 IS #11 7.4 13.3 11.49 >100% 1/17/2018 SDO 004 1/17/2018 SDO 033 None None No No 1 1 1 1 1 1 No No No No No No No No 7.03 8.36 1260 3.8 <0.1 <0.1 2320 7 >100% 528 >100% <10.0 <10.0 <10.0 1/17/2018 IS #01 1/17/2018 IS #02 6.43 6.92 13.82 14.12 11.17 10.62 >100% >100% 1/17/2018 IS #05 1/17/2018 IS #06 6.63 1 7.06 11.16 12.14 11.31 9.82 1 1 1 1 1 >100% 1 >100% Piedmont Triad International Airport NCS000508 NPDES Permit Renewal Application Sheet 20 of 24 1212712019 Supplemental Information Required for Renewal of Individual NPDES Stormwater Permit Visual and Analytical Data Summary (continued) Date Location Color Odor Clarity FS SS Foam Sheen Eros.Dep. Other pH Turb. D.O. BOD TSS NH3-N COD WAS NO3+NO2-N Total P ON AT EG PG 1/17/2018 IS #07 6.64 8.97 11.37 >100% 1/17/2018 IS #08 6.72 9.31 10.91 >100% 1/17/2018 IS #10 6.89 8.72 9.94 >100% 1/17/2018 IS #11 6.63 10.68 10.33 >100% 2/10/2018 SDO 004 6.75 36 2/10/2018 SDO 024 572 887 2/10/2018 SDO 033 37 60 3/12/2018 SDO 024 3.3 13 6/21/2018 SDO 004 None No 1 1 1 No No No No 6.82 8.93 <2 <5 <0.1 <5 <0.1 1.59 <0.050 <5 6/21/2018 SDO 007 None No 1 1 1 No No No No 6/21/2018 SDO 008 None No 1 1 1 No No No No 6/21/2018 SDO 019 None No 1 1 1 No No No No 6/21/2018 SDO 020 None No 1 1 1 No No No No 6/21/2018 SDO 023 6/21/2018 SDO 028 None None No No 1 1 1 1 1 1 No No No No No No No No 6/21/2018 SDO 032 6/21/2018 SDO 036 None None No No 1 1 1 1 1 1 No No No No No No No No 9/9/2018 SDO 004 None No 1 1 1 No No No No 7.02 10.31 <2 85.6 <0.1 31 <0.1 0.862 0.405 <5 9/9/2018 SDO 005 None No 1 1 1 No No No No 9/9/2018 SDO 007 None No 1 1 1 No No No No 9/9/2018 SDO 008 9/9/2018 SDO 009 None None No No 1 1 1 1 1 1 No No No No No No No No 9/9/2018 SDO 016A 9/9/2018 SDO 019 light tan None No No 1 1 1 1 1 1 No No No No No No No No 6.72 13.87 2.26 11.6 <0.1 33 <0.1 0.673 1.09 <5 9/9/2018 SDO 020 9/9/2018 SDO 023 None None No No 1 1 1 1 1 1 No No No No No No No No 9/9/2018 SDO 024 9/9/2018 SDO 029 None None No No 1 1 1 1 1 1 No No No No No No No No 6.83 9.72 <2 <5 <0.1 23 <0.1 0.247 0.677 <5 9/9/2018 SDO 030 9/9/2018 SDO 033 None None No No 1 1 1 1 1 1 No No No No No No No No 6.89 8.31 8.63 9.38 <2 <2 <5 <5 <0.1 <0.1 <5 17 <0.1 1.26 <0.1 0.352 0.136 <5 0.202 <5 9/9/2018 SDO 036 None No 1 1 1 No No No No 11/13/2018 SDO 003 None No 1 1 1 No No No No 11/13/2018 SDO 004 Tan No 1 1 1 No No No No 7.31 46.82 <2 22.8 0.132 9 <0.1 0.106 0.273 <5 >100% <10.0 <10.0 11/13/2018 SDO 005 None No 1 1 1 No No No No 11/13/2018 SDO 007 None No 1 1 1 No No No No 11/13/2018 SDO 008 None No 1 1 1 No No No No 11/13/2018 SDO 009 None No 1 1 1 No No No No 11/13/2018 SDO 011 None No 1 1 1 No No No No 11/13/2018 SDO 013 None No 1 1 1 No No No No 11/13/2018 SDO 016 None No 1 1 1 No No No No 11/13/2018 SDO 016A None No 1 1 1 No No No No 6.63 29.67 <2 6.2 <0.1 9 <0.1 0.246 0.051 <5 >100% <10.0 <10.0 11/13/2018 SDO 017 None No 1 1 1 No No No No 11/13/2018 SDO 019 None No 1 1 1 No No No No 11/13/2018 SDO 020 None No 1 1 1 No No No No 11/13/2018 SDO 023 1 None 1 No 1 1 1 1 1 1 1 No I No I No I No Piedmont Triad International Airport NCS000508 NPDES Permit Renewal Application Sheet 21 of 24 1212712019 Supplemental Information Required for Renewal of Individual NPDES Stormwater Permit Visual and Analytical Data Summary (continued) Date Location Color Odor Clarity FS SS Foam Sheen Eros.Dep. Other pH Turb. D.O. BOD TSS NH3-N COD MBAS NO3+NO2-N Total P 0&G AT EG PG 11/13/2018 SDO 024 None No 1 1 1 No No No No 7.33 6.6 <2 <5 <0.1 <5 <0.1 0.124 0.089 <5 >100% <10.0 <10.0 11/13/2018 SDO 026 None No 1 1 1 No No No No 7.57 29.23 2.49 <5 <0.1 16 <0.1 0.428 <0.050 <5 >100% <10.0 <10.0 11/13/2018 SDO 027 None No 1 1 1 No No No No 7.39 26.48 <2 <5 <0.1 7 <0.1 0.189 <0.050 <5 >100% <10.0 <10.0 11/13/2018 SDO 028 None No 1 1 1 No No No No 11/13/2018 SDO 029 None No 1 1 1 No No No No 11/13/2018 SDO 030 None No 1 1 1 No No No No 7.44 19.72 <2 <5 <0.1 11 <0.1 0.327 <0.050 <5 >100% <10.0 <10.0 11/13/2018 SDO 031 None No 1 1 1 No No No No 11/13/2018 SDO 033 None No 1 1 1 No No No No 7.48 7.71 2.39 <5 <0.1 11 <0.1 0.244 0.162 <5 >100% <10.0 <10.0 11/13/2018 SDO 036 None No 1 1 1 No No No No 11/13/2018 SDO 038 None No 1 1 1 No No No No 11/13/2018 SDO 040 None No 1 1 1 No No No No 11/13/2018 SDO 062 None No 1 1 1 No No No No 11/13/2018 IS #01 6.82 44.87 12.71 >100% 11/13/2018 IS #02 11/13/2018 IS #05 7.26 7.6 43.91 48.91 14.72 14.23 >100% >100% 11/13/2018 IS #06 11/13/2018 IS #07 7.49 6.73 49.32 37.29 14.68 11.23 >100% >100% 11/13/2018 IS #8A 11/13/2018 IS #10 7.39 7.18 41.38 48.83 13.88 14.11 >100% >100% 11/13/2018 IS #11 7.22 47.62 14.26 >100% 11/24/2018 SDO 004 None No 2 1 1 Yes No No No 7.31 160 0.158 261 >100% <10.0 107 11/24/2018 SDO 024 11/24/2018 SDO 026 None None No No 1 2 1 1 1 1 Yes Yes No No No No No No 7.28 7.47 109 3.59 <0.1 <0.1 181 19 >100% <10.0 >100% <10.0 180 <10.0 11/24/2018 SDO 027 11/24/2018 SDO 030 None None No No 1 1 1 1 1 1 Yes No No No No No No No 7.11 7.17 <2 2.76 <0.1 <0.1 6 17 >100% <10.0 >100% <10.0 <10.0 <10.0 11/24/2018 SDO 033 None No 1 1 1 No No No No 7.43 <2 <0.1 <5 >100% <10.0 <10.0 11/24/2018 IS #01 7.33 13.86 13.79 >100% 11/24/2018 IS #02 7.41 17.93 14.08 >100% 11/24/2018 IS #05 7.8 16.34 14.17 >100% 11/24/2018 IS #06 7.27 12.97 13.82 >100% 11/24/2018 IS #07 7.38 19.32 13.17 >100% 11/24/2018 IS #8A 7.44 17.7 14.51 >100% 11/24/2018 IS #10 7.12 17.92 14.3 >100% 11/24/2018 IS #11 7.19 16.48 13.68 >100% 12/2/2018 SDO 004 None No 1 1 1 No No No No 7.06 3.38 0.171 30 >100% <10.0 <10.0 12/2/2018 SDO 024 None No 1 1 1 No No No No 7.26 45.9 10.2 73 >100% <10.0 37.9 12/2/2018 SDO 026 None No 1 1 1 No No No No 7.15 3.97 <0.1 9 >100% <10.0 <10.0 12/2/2018 SDO 027 None No 1 1 1 No No No No 7.37 <2 0.139 <5 >100% <10.0 <10.0 12/2/2018 SDO 030 None No 1 1 1 No No No No 7.23 <2 1 8 >100% <10.0 <10.0 12/2/2018 SDO 033 None No 1 1 1 No No No No 7.31 7.69 1 13 >100% <10.0 <10.0 12/2/2018 IS #01 12/2/2018 IS #02 7.27 6.96 15.95 33.92 9.42 10.51 >100% >100% 12/2/2018 IS #05 12/2/2018 IS #06 7.03 7.11 21.82 28.79 9.51 10.79 >100% >100% 12/2/2018 IS #07 12/2/2018 IS #8A 7.96 1 7.43 121.4 55.71 10.86 9.28 1 1 1 1 1 >100% 1 >100% Piedmont Triad International Airport NCS000508 NPDES Permit Renewol Application Sheet 22 of 24 1212712019 Supplemental Information Required for Renewal of Individual NPDES Stormwater Permit Visual and Analytical Data Summary (continued) Date Location Color Odor Clarity FS SS Foam Sheen Eros.Dep. Other pH Turb. D.O. BOD TSS NH3-N COD MBAS NO3+NO2-N Total P 0&G AT EG PG 12/2/2018 IS #10 7.57 21.36 11.15 >100% 12/2/2018 IS #11 7.37 15.98 9.78 >100% 12/14/2018 SDO 004 None Yes 1 1 1 No No No Yes 7.37 32.6 <0.1 81 >100% <10.0 <10.0 12/14/2018 SDO 016A None No 1 1 1 No No No No 7.13 20.6 <0.1 41 >100% <10.0 <10.0 12/14/2018 SDO 024 None No 1 1 1 No No No No 7.28 130 0.105 706 >100% 113 284 12/14/2018 SDO 026 None No 1 1 1 No No No No 7.02 2.68 <0.1 <5 >100% <10.0 <10.0 12/14/2018 SDO 027 None No 1 1 1 No No No No 7.41 <2 <0.1 <5 >100% <10.0 <10.0 12/14/2018 SDO 030 None No 1 1 1 No No No No 6.84 <2 <0.1 <5 >100% <10.0 <10.0 12/14/2018 SDO 033 None No 1 1 1 No No No No 7.82 152 <0.1 232 >100% 25.6 25.4 12/14/2018 IS #01 7.26 14.92 10.29 >100% 12/14/2018 IS #02 7.31 18.38 10.73 >100% 12/14/2018 IS #05 7.62 27.82 11.38 >100% 12/14/2018 IS #06 7.39 29.41 10.94 >100% 12/14/2018 IS #07 12/14/2018 IS #8A 7.03 6.89 46.82 19.79 10.31 11.72 >100% >100% 12/14/2018 IS #10 12/14/2018 IS #11 7.64 6.92 39.72 43.18 11.12 12.07 >100% >100% 1/13/2019 SDO 004 1/13/2019 SDO 024 7.98 3.4 15 3/1/2019 SDO 004 3/1/2019 SDO 005 None None No No 1 1 1 1 1 1 Yes No No No No No No No 6.79 10.38 6.17 <5 <0.1 36 <0.1 0.767 0.116 <5 3/1/2019 SDO 007 3/1/2019 SDO 008 None None No No 1 1 1 1 1 1 No No Yes No No No No No 3/1/2019 SDO 009 3/1/2019 SDO 012 None None No No 1 1 1 1 1 1 No No No No No No No No 3/1/2019 SDO 019 None No 1 1 1 Yes No No No 3/1/2019 SDO 020 None No 1 1 1 No No No No 3/1/2019 SDO 023 None No 1 1 1 No No No No 3/1/2019 SDO 024 None No 1 1 1 No No No No 6.83 9.47 2.36 <5 <0.1 10 <0.1 0.556 0.246 <5 3/1/2019 SDO 029 None No 1 1 1 No No No No 3/1/2019 SDO 030 None No 1 1 1 No No No No 6.71 11.17 <2 <5 <0.1 <5 <0.1 1.2 0.092 <5 3/1/2019 SDO 033 None No 1 1 1 No No No No 7.92 9.31 <2 16.2 <0.1 <5 <0.1 0.781 0.098 <5 3/1/2019 SDO 036 None No 1 1 1 No No No No 3/1/2019 SDO 062 None No 1 1 1 No No No No 6/19/2019 SDO 004 None No 1 1 1 Yes No No No 6.93 8.72 2.02 7.71 <0.1 20 <0.1 0.843 0.594 <5 6/19/2019 SDO 005 None No 1 1 1 No No No No 6/19/2019 SDO 007 None No 1 1 1 No No No No 6/19/2019 SDO 008 None No 1 1 1 No No No No 6/19/2019 SDO 009 None No 1 1 1 No No No No 6/19/2019 SDO 012 None No 1 1 1 No No No No 6/19/2019 SDO 019 6/19/2019 SDO 020 None None No No 1 1 1 1 1 1 No No No No No No No No 6/19/2019 SDO 023 6/19/2019 SDO 028 None None No No 1 1 1 1 1 1 No No No No No No No No 6/19/2019 SDO 029 6/19/2019 SDO 033 None None No No 1 1 1 1 1 1 No No No No No No No No 8.03 9.13 <2 <5 <0.1 9 <0.1 0.417 0.126 <5 Piedmont Triad International Airport NCS000508 NPDES Permit Renewol Application Sheet 23 of 24 1212712019 Supplemental Information Required for Renewal of Individual NPDES Stormwater Permit Visual and Analytical Data Summary (continued) Date Location Color Odor Clarity FS SS Foam Sheen Eros.Dep. Other pH Turb. D.O. BOD TSS NH3-N COD MBAS NO3+NO2-N Total P 0&G AT EG PG 6/19/2019 SDO 036 None No 1 1 1 No No No No 6/19/2019 SDO 062 None No 1 1 1 No No No No Piedmont Triad International Airport NCS000508 NPDES Permit Renewol Application Sheet 24 of 24 1212712019