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Table 1: Groundwater Monitoring Results using EPA methods 8015m, 8020, and 8260 (ug/L) <br /> well.m Date DTW TPH-d TPH-z TPH-m B T E X MTBE <br /> MW-0 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 /> Jul-99 10.14' 82 <50 82 <0.3 <0.3 <0.3 <0.3 <5 <br />' Nov-99 10.50' <50 <50 <50 <0.3 <0.3 <0.3 <0.3 <5 <br /> Jan-00 9.521 <50 <50 <50 <0.3 <0.3 <0.3 <0.3 <5 <br /> MW-7 Mar-98 6.70' <100 <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 /> Jul-99 9.97' 75 <50 75 <0.3 <0.3 <0.3 <0.3 <5 <br /> Nov-99 10.34' <50 <50 <50 <0.3 <0.3 <0.3 <0.3 <5 <br /> Jan-00 9.31' <50 <50 <50 <0.3 <0.3 <0.3 <0.3 <5 <br /> ' MW-8 Jan-00 8.37' <50 <50 <50 <0.3 <0.3 <0.3 <0.3 <5 <br /> MW-9 Jan-00 9.33' <50 <50 <50 <0.3 <0.3 <03 <0.3 19 <br /> MW-10 Jan-00 8.98' <50 <50 <50 <0.3 <0.3 <0.3 <0.3 <5 <br /> MW-11 Jan-00 9.02' <50 <50 X50 <0.3 <0.3 <0.3 <0.3 <5 <br /> ' DTW=Depth To Water(feet below grade). BTEX results from EPA method 8260. <br /> TPH-d=Total Petroleum Hydrocarbons as Diesel(EPA method 8015). Mixture of diesel and motor oil. <br /> TPI-1-g--Total Petroleum Hydrocarbons as Gasoline(EPA method 8015). Mixture of gasoline and diesel. <br /> ' BTEX=Benzene,Toluene,Ethylbenzene,and Xylene(EPA method 8020). Mixture in mineral spirit/diesel range. <br /> 'r <br /> J <br />