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PUBLIC HEALTH SERVICES <br /> SAN JOA r IN COUNTY 'f <br /> {OG[1"HANN A AD, MT H. <br /> Health Officer <br /> P.O. Sox 2009 • (1601 East Hazelton Avenue) • Stockton, California 95201 ��F�60 <br /> (209) 4 1683400 I <br /> ii <br /> B L HUNTER Ii <br /> ENGINEER-ENVIRONMENTAL PROJECTS cc <br /> CHEVRON USA PRODUCTS COMPANY 1s'P <br /> P O BOX 5004 ' Lf OCT 15 1992 <br /> SAN RAMON CA 94583-0804 <br /> RE: Ulycess Williams i SITE CODE: 9034 <br /> Former Chevron #9-5075 <br /> 2405 S. Airport Way <br /> (was 2400 S.Airport Way) <br /> Stockton, CA j <br /> San Joaquin County Public Health Services, Environmental Health Division (PHS/EHD) has reviewed the <br /> quarterly report dated June 29, 1992, prepared by Groundwater Technology, Inc. for the above <br /> referenced site. !+, <br /> In a letter to Chevron dated May 21, 1992 PHS/EHD requested aChain.:of Custody" for the water <br /> sample obtained from monitoring well #4 on January 24, 1991 and a survey of wells within 2000 feet of <br /> the site. This information was not included in this quarterly report. .Please provide it in your next <br /> quarterly report. <br /> In addition the existing four monitoring wells should be sampled and analyzed for BTEX and TPH as <br /> gasoline using the detection limits listed in the Tri-Regional Board Staff Recommendations. Protocol for ' <br /> collection of water samples discussed in the LUFT manual should be followed (i.e. purging until <br /> temperature, conductivity and pH measurements are stabilized), <br /> Please notify PHS/EHD 48 hours in advance of any site activity (including measuring and sampling of <br /> wells). <br /> Ij { <br /> If you have any questions contact Margaret Lagorio, Senior REHS, at (209) 468-3449. <br /> Jogi Khanna, M.D., M.P.H. j <br /> Health Officer' li <br /> aurie A Cotulla, RENS, Program Manager <br /> Environmental Health Division <br /> LAC/ML:Ib i <br /> i1 <br /> c: Elizabeth Thayer - CVRWQCB �} <br /> c:, Ulycess Williams I} <br /> 4626 Le Donne Dr. <br /> Sacramento, CA 95823 <br /> A Division of titin Joaquin C:enmry Hr:ilth C;ifr`,e•rvoreb <br />