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Ms Mary Meays <br /> September 7, 1993 <br /> Page 3 <br /> TABLE 2 <br /> CHEMICAL ANALYSIS OF GROUND WATER SAMPLES <br /> Concentrations in Micrograms per Liter p.g/1 (ppb) <br /> Sample Date Ethyl- <br /> Location Sampled Benzene Toluene benzene Xylenes EDC" EDB" TPH° LPH" <br /> MW-1 09/04/91 2 3 1 3 <05 3 5 <05 <05 140 NA <br /> 04/09/92 430 4,400 1,400 9,200 <2 <2 48,000 <200 <br /> 07/10/92 57 1,200 740 7,300 NA NA 45,000 NA <br /> 04/07/93 NS <br /> 07/16/93 NS <br /> MW-2 09/04/91 710 700 130 1,300 <05 <05 6,400 NA <br /> 04/09/92 1,400 720 59 250 <0 5 <05 2,400 <50 <br /> 07/10/92 3,300 1,400 86 980 NA NA 8,800 NA <br /> 04/07/93 NS <br /> MW-3 09/04/91 <05 <0 5 <05 <0 5 <05 <05 <50 NA <br />• 04/09/92 10 <05 <05 <05 <05 <05 <50 <50 <br /> 07/10/92 <05 <1 0 <05 <0 5 NA NA <50 NA <br /> 04/07/93 <05 <0 5 <05 <0 5 NA NA <50 NA <br /> Domestic 09/04/91 <05 <05 <05 <05 <05 <05 <50 NA <br /> Well 01/07/93 <05 <05 <05 <05 NA NA <50 NA <br /> 04/07/93 <05 <05 <05 <05 NA NA <50 NA <br /> s 1,2-Dichloroethane <br /> " Ethylene Dibromide <br /> Total Petroleum Hydrocarbons as gasoline <br /> d Total Petroleum Hydrocarbons as diesel No 2 <br /> NA = Not analyzed <br /> NS = Not sampled <br /> Future Work <br /> The next quarterly ground water monitoring event is scheduled for October 1993 However, Delta <br /> will no longer be providing environmental consulting services at the site <br />