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Table C.2 <br /> Historical Groundwater Concentration Data <br /> SFPP,LP-HOLT SITE <br /> ' SAMPLING TPH-E TPH-P BENZENE TOLUENE ETHYL- TOTAL <br /> COMMENTS <br /> WELL DATE (DRO) (GRO) BENZENE XYLENES <br /> Without Silica Gel <br /> ' (M/DN) (mg/L) (mg/L) (ug/L) (ug/L) (ug/L) (ug/L) <br /> M-1 03/09/10 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> M-1 09/08/10 NS NS NS NS NS NS No access to well <br /> ' M-1 03/02/11 NS NS NS NS NS NS No access to well <br /> M-1 09/01/11 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> M-1 03/02/12 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> M-1 09/07/12 <0.50 <0.50 <0.50 <0.50 <0.50 110 <br /> ' M-1 03/12/13 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> M-1 09/13/13 <0.50 <0.50 <0.50 <Uo <0.50 <0.50 <br /> M-8 03/09/10 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> M-8 09/08/10 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> M-8 03/02/11 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> M-8 09/01/11 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> M-8 03/02/12 ns ns ns ns ns ns Insufficient water to sample <br /> ' M-8 09/27/12 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> M-8 03/12/13 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> M-8 09/13/13 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> ' M-10 03/09/10 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> M-10 09/08/10 0.98CL <0.50 <0.50 <0.50 <0.50 <0.50 <br /> M-10 03/02/11 1.6L <0.50 <0.50 <0.50 <0.50 <0.50 <br /> M-10 09/01/11 0.84 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> t M-10 03/02/12 ns ns ns ns ns ns Insufficient water to sample <br /> M-10 09/27/12 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> M-10 03/12/13 0.54 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> M-10 09/13/13 1.3' <0.50 <0.50 <0.50 <0.50 <0.50 <br /> ' N-7 03/09/10 1.2 35 13,000 340 2,200 2,400 DUP-01 <br /> N-7 09/08/10 1.8 42 16,000 420 2,600 2,800 DUP-01 <br /> N-7 03/02/11 8AL 33 13,000 440 2,000 1,900 DUP-01 <br /> 1 N-7 09/01/11 6.3i 21 8,900 130 1,100 780 DUP-01 <br /> N-7 03/02/12 2AL 11 3,300 160 860 920 DUP-01 <br /> N-7 09/07/12 1.3z <2.0 V 840 33 60 110 OUP-01 <br /> N-7 03/12/13 3.8L 15 3,900 180 1,000 840 DUP-01 <br /> N-7 09/13/13 13L <2.0 V 720 17 45 80 DUP-01 <br /> N-8 03/09/10 4.70 5.5 <5.0v 32 480 940 <br /> ' N-8 09/08/10 3.9cr 1.3 0.60 2.7 150 100 <br /> N-8 03/02/11 <0.50 1.3 0.59 2.2 150 73 <br /> N-8 09/01/11 <0.50 2.1 <0.e 2.6 150 100 <br /> N-8 03/02/12 <0.50 1.0 0.65 <0.5 71 3.7 <br /> ' N-8 09/07/12 <0.50 1.3 <1.0v 1.2 130 27 <br /> N-8 03/12/13 <0.50 5.3 7.3 7.6 840 120 <br /> N-8 09/13/13 0.592 0.78 <1.0v 1.3 100 32 <br /> ' N-15 03/09/10 <0.50 <0.50 36 0.65 3.7 3.7 <br /> N-15 09/09/10 <0.50 2.2 380 5.6 8.8 17 <br /> N-15 03/02/11 <0.50 <0.50 46 0.89 11 8.8 <br /> N-15 09/01/11 <0.50 0.93 92 2.6 2.0 5.4 <br /> ' N-15 03/02/12 <0.50 <1.00 <5.00 <5.00 <5.00 <5.0° <br /> N-15 09/07/12 <0.50 1.7 250 7.5 6.8 11 <br /> N-15 03/12/13 <0.50 0.58 <t.00 <1.0° <1.00 <1.0° <br /> N-15 09/13/13 <0.50 1.4 54 3.6 2.8 6.1 <br /> 1 <br /> ' file: Appendix_C_Historical_Data.xlsx\Sample Table2 Page 1 of 3 <br />