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PUBLfC HEALTH SEIVICES <br /> SAN JOAQUIN COUNTY <br /> JOGI KHANNA M.D.M.P H <br /> Healch Officer <br /> P.O. Box 2009 • (1601 East Hazelton Avenue) • Stockton, California 95 201 F o a <br /> (209) 468-34(N) <br /> REMO CANEPA <br /> CANEPA'S CAR WASH 199 <br /> 248 E PARK ST <br /> STOCKTON CA 95202 <br /> RE: PARK AND HUNTER SITE CODE: 1148 <br /> San Joaquin County Public Health Services, Environmental Health Division <br /> (PHS/EHD) has completed review of the "Work Plan at 248 E. Part Street, Stockton, <br /> California" as prepared by WHF Environmental Consultants, Inc. <br /> The workplan is acceptable; however, PHS/EHD staff has the following <br /> clarifications and/or enhancements. <br /> 1.0 Site History <br /> "The site is approximately one quarter acre in size and is now vacant. " <br /> The site has undergone tank replacement and is not vacant. The workplan has been <br /> developed to investigate the former tank and dispenser locations. <br /> 2.0 Scope of Work <br /> "Borings #4 through #8. . .drilled to the groundwater interface in an effort to <br /> determine the vertical and lateral extent of contamination. ,, <br /> "Well locations will be identified by letter addendum as soon as we have <br /> identified the "zero" lines of contamination from the borings (sic #1 - #8] . " <br /> PHS/EHD suggests that the secondary drilling event of the borings #4 - #8 <br /> incorporate the conversion of some or all of the borings #4 - #8 into monitoring <br /> wells. The initial placement of borings #1 - #3 should provide the necessary <br /> data relative to the historical groundwater fluctuations (30-40 feet below grade, <br /> 1986 San Joaquin County Flood Control) . Based upon the preliminary field <br /> results, the secondary drilling activity may then initiate the construction and <br /> placement of monitoring wells. "Zero" lines of soil contamination can <br /> effectively be performed during the installation of groundwater monitoring wells <br /> in addition to determining the impact to the groundwater quality. <br /> 7.0 Health and Safety Plan - Page 6 <br /> When securing the necessary permit application for drilling, submit a site <br /> specific health and safety plan Acceptance Sheet. <br /> If you have any questions, please contact Diane Hinson, Supervising RENS, of my <br /> staff at (209) 468-3452. <br /> Jogi Khanna, M.D. , M.P.H. <br /> H alth Officer <br /> C�- ,.:Y.L,6k-- J <br /> Donna Heran, REHS, Program Manager <br /> Environmental Health Division <br /> DOH/DMH/dih <br /> cc: WHF Environmental Consultants, Inc.; Attn: Steve Furnas <br /> CVRWQCB; Attn: E. Thayer <br /> A Division of San Joaquin counry Health Care Semccs C } <br />