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Greer Property <br /> 15634 Steinegul Road Escalon, California April 11, 2001 <br /> IQuarterly Groundwater Sampling Report, .First Quarter, 2000 Page 2 <br /> Historical gradient maps are included in Appendix C of this report <br />' S ' <br /> ummary of Analylxcal Findings <br /> Contamination was identified flus quarter in MW-1, MW-2, MW-3, MW-4, MW-5, <br /> MW-6 and MW-9. <br /> Total Ethyl Tertiary <br /> Benzene Toluene MTBE Y,2 DCA Gasoline <br /> Sample (019/1) NO) Xylene Benzene u 2 Bu /n l ("g /1) <br /> MW-1 ND ND ND ND ND ND 41 <br /> ND ND ND <br /> ND ND ND ND ND ND 1.1 ND <br /> MW-4 ND ND 1.0 ND ND ND ND 4.12 <br /> MW-5 1=`'S ND ND ND ND ND ND 4.4 <br />' MW-6 11 17 1 18 ' <. ND n 120'-, W '290, -9:70 <br /> MW-8 ND ND ND ND ND ND ND ND <br /> MW-9 .3 ND ND ND ND ND 5.0 0.3.1 <br />' MW-10 ND ND ND ND ND ND ND ND <br /> Domestic ND ND ND ND ND ND ND ND <br /> Well <br /> lie "ND"=None Detected <br />' MW-8, MW-10 and the domestic well are at non detectable limits for all analytes <br /> tested All wells except MW-6 showed a decrease in the concentration of chemicals <br />' since the last quarterly monitoring event. MW-6 exhibited an increase in the level of <br /> contamination for all chemicals since the last monitoring event in November, 2000 <br /> The momtonng wells will be measured, purged and sampled again next quarter, and a <br />' new gradient calculated <br /> I <br /> I <br /> I <br /> I <br /> I <br />