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C.t<v 1 <br /> PUBLi HEALTH SEOICES oaU�N <br /> SAN JOAQUIN COU NTY <br /> JOGI KHANNA 141.1).. <br /> Health Officer <br /> P.O. Box 2009 • (1601 East Hazelton Avenue) •Stockton, California 95201 e4c j F 6* <br /> (209) 468-3400 <br /> T <br /> �- <br /> 3Y <br /> Jean Mescherr <br /> McKesson Drug Company cc D i_r <br /> One Post St _ 1593 <br /> San Francisco CA 94104 <br /> Site Code: 2426 <br /> Re: McKesson Drug Company <br /> 4110 Industrial Drive l <br /> Tracy, CA. 95376 <br /> San Joaquin County Public Health Services, Environmental Health <br /> Division (PHS/EHD) has reviewed the "Monitoring Well Installation" <br /> report, submitted by Treadwell and Rollo, Inc. , and dated Nov. <br /> 18, 1993 . 1 <br /> PHS/EHD concurs that no additional soil investigation is needed at <br /> this site. Sampling during the tank removal and the limited <br /> overexcavation which occurred on 6/9/92 , revealed non-detect <br /> results for BTEX and TPH-diesel in soil on the sidewalls. Correct <br /> detection limits were used in these analyses. <br /> Quarterly groundwater monitoring at this site will be necessary for <br /> a minimum of one year, and at that time, closure certification will <br /> be considered. <br /> Please give PHS/EHD 48 hour advance notice prior to sampling. <br /> If there are any questions, please contact Michael Collins, at <br /> (209) 468-0338 . <br /> Jogi Khanna, M.D. , M.P.H. <br /> Environmental Health Division <br /> .i <br /> Donna Heran, REHS, Program Manager <br /> Environmental Health Division ' <br /> DH/MC <br /> c: CVRWQCB <br /> c: Treadwell and Rollo, Inc. <br /> 353 Sacramento St , Suite 800 <br /> San Francisco, CA, 94111 <br /> k <br /> I <br /> I <br /> I <br /> A Division of San Joaquin Counry Health race Services <br /> a <br />