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Table 1: Groundwater Monitoring Results using EPA methods 8015m 8020 and 8260 u L <br /> ' Wel1IID Date DTW TPH-d TPH-g TPH-m B T E X MTBE <br /> MW-1 Aug-96 1034' <50 1,800 NA 98 18.8 55.8 130 1,300 <br /> Apr-97 9.21' 68 520 NA 31 <0.5 2.8 1.5 910 <br /> Mar-98 6.90' <500 <50 NA <0.5 <0.5 <0.5 <1 11 <br /> Sep-98 10.05' <500 <50 <500 <0.5 <0.5 <0.5 <1 63 <br /> Dec-98 9.95' <500 130 <500 4 <5 7 1.3 379 <br /> Feb-99 8.89' <500 50 <500 1.2 1.4 0.8 <1 14 <br /> MW-2 Aug-96 1020' 95 850 NA 12.7 7.9 4.5 120 12.3 <br /> Apr-97 9.02' 250 73 NA 6.4 <0.5 2.2 0.7 <12.5 <br /> Mar-98 6.70' <500 <50 NA <0.5 <0.5 <0.5 <1 <5 <br /> Sep-98 9.8T <500 120 <500 4.4 <0.5 1.3 <1 <10 <br /> Dec-98 9.79' <500 180 <500 2 <5 4 <5 <10 <br /> Feb-99 8.66' <500 <50 <500 <0.5 0.6 <0.5 <1 <10 <br /> MW-3 Aug-96 10.40' 610 8,000 NA 610 170 96.6 540 1,700 <br /> 1 Apr-97 9.25' 1,800 30,000 NA 3,200 2,000 1,400 1,000 14,000 <br /> Mar-98 7.10' <500 42,000 NA 7,290 500 <25 560 29,400 <br /> Sep-98 10.08' 600 26,000 <500 3,570 190 854 1,357 13,600 <br /> Dec-98 10.04' 1,300 4,300 <500 870 63 400 703 3,700 <br /> Feb-99 8.9T 3,600 2,500 <500 318 18 110 142 1,100 <br /> MW-4 Mar-98 6.20' <500 <50 NA <0.5 <0,5 <0.5 <1 <5 <br /> Sep-98 9.66' <500 80 <500 1.6 <0.5 1.6 2.8 <10 <br /> Dec-98 9.45' <500 110 <500 <5 0.4 0.5 1.4 42 <br /> Feb-99 8.36' <500 <50 <500 0.9 0.6 <0.5 <1 <10 <br /> ' MW-5 Mar-98 7.06' <500 <50 NA <0.5 <0.5 <0.5 <1 <5 <br /> Sep-98 997' <500 90 <500 0.6 <0.5 <0.5 <1 <10 <br /> I Dec-98 9.84' NA <50 NA <5 <5 <5 <5 <10 <br /> Feb-99 8.93' <500 <50 <500 <0.5 0.6 <0.5 <1 <10 <br /> MW-6 Mar-98 7.05' 1,500 <250 NA <2.5 <2.5 <2.5 <5 <25 <br /> Sep-98 10.04' <500 <50 <500 <0.5 <0.5 <0.5 <1 <10 <br /> Dec-98 9.94' <500 <50 <500 <5 <5 <5 <5 <10 <br /> Feb-99 8.92' <500 <50 <500 <0.5 0.5 <0.5 <1 <10 <br />' MW-7 Mar-98 6.70' <500 <50 NA <0.5 <0.5 <0.5 <1 <5 <br /> Sep-98 9.85' <500 <50 <500 <0.5 <0.5 <0.5 <1 <10 <br />' Dec-98 9.79' <500 <50 <500 <5 0.4 <5 0.5 <10 <br /> Feb-99 8.64' <500 <50 <500 <0.5 0.5 <0.5 <1 <10 <br /> DTW=Depth To Water(feet below grade). Mixture in mineral spirit/diesel range. <br /> TPH-d=Total Petroleum Hydrocarbons as Diesel(EPA method 8015): - Mixture of diesel and motor oil. <br /> TPH-g=Total Petroleum Hydrocarbons as Gasoline(EPA method 8015). BTEX results from EPA method 8260. <br />' TPH-m=Total Petroleum Hydrocarbons as Motor Oil(EPA method 8015). Mixture of gasoline and diesel. <br /> BTEX=Benzene,Toluene,Ethylbenzene,Xylene(EPA method 8020). Unknown compounds in motor oil range, <br /> MTBE results from EPA method 8260. <br /> t <br />