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QUARTERLY MONITORING REPORT JULY 1997 <br /> CANEPA 5 CAR WASH <br /> 246E Park Street Stockton (A <br /> August 12 1997 <br /> Page 6- <br /> storage tanks The historical groundwater analytical data for the site are presented in Table A, <br /> Appendix B <br /> TPH-G and BTEX concentrations in the samples collected from MW-1, MW-2, MW-3, MW-6, and <br /> MW-7, are generally at their lowest historical levels This cannot necessarily be attributed to natural <br />' attenuation, however, because the water level in the wells has been above, or very near, the top of the <br /> well screens in MW-1, MW-2, and MW-3 since groundwater monitoring commenced in September, <br /> 1994, and in MW-4, MW-5, MW-6, and MW-7 since the May, 1995, monitoring <br /> 6.0 RECOMMENDATIONS <br />' Condor recommends that further investigation be conducted to characterize the extent of contamination <br /> at the site If sufficient data are ava the investigation, a Problem Assessment Report <br /> should be prepared 6�S'��'R GEOd0 <br /> Respectfully submitted, DK OF-MME <br />' Kew <br /> R David Meade F CAL% onald F Kresse <br /> Project Geologist California Registered <br /> ICondor Earth Technologies, Inc Geologist #6430 <br /> I <br /> I <br /> I <br /> I <br /> CANPK397 RPT <br /> Page -6- <br />' �� CONDOR <br />