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' Greer Property <br /> 15634 Steinegul Road, Escalon, California July 19, 2001 <br /> Quarterly Groundwater Sampling Report, July, 2001 Page 2 <br /> aSummary of Analytical Findings <br />' Contamunatnon was identified tins quarter in N1W-1, MW-2, MW-4, MW-5, MW-6, MW- <br /> 8 and MW-9 <br /> Sample Benzene Toluene Total Xylene Benzene MTBE B erhary 1,2 DCA Gasoline <br /> (u ) (N1 u (u <br /> MW-1 &S Le ND ND ND ND 41 1.1 <br /> MW-2 2800 16OU 290 "0 ND ND ND 13 <br /> MW-3 ND ND ND ND ND ND ND ND <br /> MW-4 3.1 0.6 1.0 1.5 ND ND ND #x.29 <br /> MW-5 24 2.1 ND ND ND ND 7.4 1.1. <br />' MW-6 S5 S? 100 55 238 L2 <br /> MW-8 ND 0.3 ND ND ND ND ND ND <br /> MW-9 54 0.6 ND ND ND ND 5.3 4.63 <br />' MW-10 ND ND ND ND ND ND ND ND <br /> Domcsuc ND ND ND ND ND ND ND ND <br /> Well <br /> "ND" = None Detected <br /> • MW-3, MW-10 and the domestic well are at non detectable limits for all analytes tested <br /> During this quarter the water collected from MW-1 and MW-4 has shown a slight increase <br /> in contamination levels since the last monitoring event MW-2 has decreased <br /> contamination levels for all chemicals except for Ethyl-Benzene The water sample from <br /> MW-5 has shown a slight increase in Toluene and 1,2-DCA while Benzene and Gasoline <br /> have decreased MW-6 has increased contamination levels except for the oxygenates <br /> MMTBE and 1,2-DCA which have decreased since last quarter The only chemical present <br /> in MW-8 is Toluene at 0 3 ug/L The water collected from MW-9 has shown increased <br /> contamination levels for all analytes present last quarter The monitoring wells will be <br /> measured, purged and sampled again next quarter, and a new gradient calculated <br />