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ry <br /> Table i -Groundwater Elevation Data <br /> DATE MW-1 MW-2 MW-3 <br /> B/20/90 -2e.93 -28.72 -27.50 <br /> 1/09/91 -31.20 -30.89 -31.22 <br /> All elevations are given as feet above mean sea level(msl) <br /> Table 2- Groundwater Laboratory Analyses Resulis <br /> (Concentrations in parts per billion (ppb)) <br /> WELL DATE BENZENE TOLUENE ETHYL- XYLENES TPH-AS <br /> NUMBER BENZENE Ck.SOLINE <br /> MW-1 1/9/91 ND 0.8 ND ND 180 <br /> `f MW-1 8/20/90 0.5 ND ND ND 810 <br /> MW-2 1/9/91 ND ND ND ND ND <br /> MW-2 8/23/90 ND ND ND ND ND <br /> MW-3 1/9/91 18 2.3 2.2 4.9 380 <br /> MW-3 1 8/20/90 890 9 68 14 1,500 <br /> r <br /> ND = Not detected at the Method Detection Level(MDL) <br /> For 8/20/90 sampling event: <br /> t Benzene MDL =0.3 ppb Toluei�e MDL = 0.3 ppb <br /> Ethylbenzene MDL - X1.3 ppb Xylenes MDL =0.6 ppb <br /> TPH-as-gasoline MDL = 50 ppb <br /> For 1/9/91 sampling event: <br /> Benzene MDL = 0.5 ppb To'uene MDL =0.5 ppb <br /> Ethylbenzene MDL — 0.5 ppb Xylenes MOL =0.5 ppb <br /> TPH-as MDL = 50 ppb <br /> 5 _ _ <br /> GROtJN�'Yn1 arc f <br /> TEcHNOLOGY,INC. <br />