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Scott T.Hooton <br /> Environmental Respunxs Management <br /> BP Oil Company <br /> 295 SW 41St Street <br /> Bldg.13 STE.N <br /> Renton,WA 98055-4931 <br /> ■ BP OIL Phone.;21161251.0689 <br /> 1 <br /> Facsimile:(206)251-0736 <br /> Internet:HootonST@rtpll.usaclv.msnet.hp.com <br /> May 30, 1995 <br /> San Joaquin County Public Health Services <br /> Environmental Health Division �+ <br /> Attention Mr. Steve Sasson <br /> P.O. Box 2009 0 9 1995 <br /> 1601 East Hazelton Avenue <br /> Stockton, CA 95201 E'V 01 NtiU, <br /> RE: BP Oil Site No. 11193 p� 'r/S�T c � <br /> Hammer& Kelly <br /> Stockton, CA <br /> Dear Mr. Sasson: <br /> Enclosed please find a report titled Groundwater Monitoring and Sgmpling Report, dated May 8, <br /> 1995. Also attached is a letter report describing the results of hydraulic conductivity <br /> measurements obtained from three of the groundwater monitoring wells (MW-1, MW-2, and <br /> MW-5). <br /> Upon review of the data, you will note that concentrations of fuel constituents exceeding a <br /> drinking water Maximum Contaminant Level were detected in groundwater samples obtained <br /> from wells MW-2, MW-3, MW-5, and MW-7. You may also note that the concentrations of <br /> fuel constituents detected and the saturated hydraulic conductivity measurements appear to be <br /> related; that is the highest concentrations are present in wells with the lowest hydraulic <br /> conductivity. We plan to continue monitoring activities next quarter as necessary to document <br /> this trend. <br /> Confirming our telephone conversation of May 10, 1995, you should receive notification from <br /> Alisto Engineering Group for future sampling activities. I have also instructed Alisto to <br /> document the time when depth-to-water measurements are obtained in future monitoring reports. <br /> Please give me a call if you have any questions regarding this submission. <br /> 7Sin rely, <br /> Scott Hooton <br /> Environmental Resources Management <br /> attachments <br /> cc: site file <br /> B. Nagle - Alisto <br /> CRWQCB-CVR, Atteption Ms. Beth Thayer, 3443 Routier Road, Sacramento, CA <br /> '� 95827-3098 (w/attachments) <br />