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(anepa s ng c ash <br /> Uuanrrl�hlnmmnnµR(x+n <br /> i)rcanhrr 17 I407 <br /> Ia�,cS <br /> $ Benzene concentrations detected in MW-2, MW-3, MW-5, and MW-6 exceed the maximum contaniinant level <br />' (MCL) for benzene (1 0 g(,/L) in drinking water (California Code of Regulations, Title 22 Drinking Watet <br /> Regulatory Criteria) <br /> TPH-G and BTEX concentrations in the samples collected from MW-1, MW-2, MW-3 and MW-4, are <br /> generally at their lowest historical levels This cannot necessarily be attributed to natural attenuation however <br /> because the water level in the wells has been above, or very near, the top of the well screens in MW-1, MW-2 <br />' and MW-3 since groundwater monitoring commenced in September 1994 and in MW-4 MW-5 MW-6 and <br /> MW-7 since the May, 1995, monitoring <br />' 6 RECOMMENDATIONS <br /> Condor recommends that additional investigation be conducted to further characterize the extent of <br />' contamination at the site If sufficient data are available following the investigation, a Problem Assessment <br /> Report should be prepared Please callus at (209) 668-9234 with any questions <br /> �C.�o cEo� <br /> 0 <br /> RespectfulIN submitted �0 <br /> fDONALD F.KRE <br /> NO 6430 <br /> fP <br /> R David Meade ��T� d F Kresse <br /> Project Geologist OF CALF ifornia Registered <br /> Condor Earth Technologies Inc Geologist#6430 <br /> 1 <br /> 1 <br /> 1 <br /> C IMP 11 6'utpk497 rpt <br /> 1 <br />' L� CONDOR <br />