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v" <br /> f v <br /> ! T jylr lit 11 �¢ a j YLtiV frld <br /> BP OILIT <br /> I 3 j'En irb mental Resources Management <br /> 3 Building 13,Suite N <br /> —7 t t2sQVV9OStreet <br /> Renton,Washington 98055-4931 <br /> (206)251-0667 <br /> Fax No:(206)251-0736 <br /> October 30, 1996 <br /> San Joaquin County Public Health Services <br /> Environmental Health Division <br /> Attention Mr. Michael Infurna- Senior REHS <br /> 304 East Weber Avenue, Third Floor <br /> P.O. Box 388 <br /> Stockton, CA 95201-0388 <br /> RE: BP Oil Site No. 11192 <br /> 1403 Country Club Blvd. <br /> Stockton, CA 95204 <br /> Dear Mr. Infurna: <br /> This letter transmits a Groundwater Monitoring and Sampling Report, dated September <br /> 11, 1996 and responds to correspondence from the San Joaquin County Public Health <br /> Services dated August 7, 1996. <br /> The enclosed report summarizes chemical data and groundwater elevation measurements <br /> collected from seven wells, beginning during May, 1990. Upon review of the results, you <br /> will note that petroleum hydrocarbons were not detected in any of the groundwater ' <br /> samples submitted for chemical analysis this quarter. The site was sampled last week, and <br /> you should expect to receive one more groundwater monitoring report. We intend to <br /> request a letter of"no further action and case closure" and to suspend further monitoring, <br /> if supported by this additional chemical data.�Please forward a copy the Tri-Regional <br /> 'Board Staff Recommendations for Preliminary Investigation and Evaluation of <br /> 'U derground Tank Sites, Appendix B, "Requests for Closure"-1 March_ 1994"at,your <br /> _ - <br /> earliest convenience.. <br /> In response to the concerns outlined in your letter of August 7, 1996, BP offers the <br /> following: <br /> Identification of "receptors" within 2000 feet of the site <br /> BP agrees that.investigations for potential receptors should occur in conjunction with soil <br /> and groundwater investigations - particularly when the extent of a petroleum release is <br /> unknown. In this way, one would expeditiously assess the potential effects of a <br /> petroleum release very early during the assessment process, and take appropriate <br /> corrective action. If this was a recent petroleum release - and the extent of the release <br /> was unknown- we would certainly endeavor to identify potentially sensitive receptors. <br /> F5 2460-TO <br />