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PUBLIC HEALTH SERVICES o��u1N <br /> 10 <br /> . SAN JOAQUIN COUNTY i{ <br /> JOGf KHANNA M D,M P H <br /> Health Officer <br /> P O Box 2009 • (1601 East Hazelton Avenue • Stockton,Calif0M12 95201 ec <br /> I(tY4&03lam. <br /> FRANK MORITA <br /> MORITA BROTHERS <br /> 662 BELMONT PL MAY 2 9 1992 <br /> STOCKTON CA 95207 <br /> RE: Morita Brothers SITE CODE: 1061 <br /> 814 E. Charter Way <br /> Stockton, CA 95206 <br /> San Joaquin County Public Health Services, Environmental Health <br /> Division (PHS/EHD) has reviewed the "Preliminary Site <br /> Characterization Report" dated May 6, 1992 prepared by Earth <br /> Systems Environmental, Inc. i <br /> PHS/EHD concurs with your proposal to remediate soil by <br /> excavation and surface bioremediation. Further metal analysis <br /> for Chromium and Nickel should be conducted beneath the waste oil <br /> tank when the area is re-excavated. Also, the soil to be <br /> bioremediated must be shown to be non-hazardous before it can be <br /> treated. Hazardous waste criteria testing described in <br /> California Code of Regulations Title 22 must be performed to <br /> demonstrate the soil is not hazardous. <br /> Submit a detailed soil remediation plan to PHS/EHD by July 15, <br /> 1992 . <br /> According to San Joaquin County Flood Control Maps (Spring 1983 <br /> and 1986) , seasonal high groundwater was 35 feet below surface. <br /> Since this report documents soil contamination considerably below <br /> 35 feet, a groundwater investigation is warranted. A work plan <br /> for the installation of monitoring wells should be submitted by <br /> July 15, 1992. <br /> If you have any questions or require additional information, <br /> Please contact Michael Collins, EHS, of my staff at <br /> (209) 468-0338. <br /> Jogi Khanna, M.D. , M.P.H. <br /> ealth Off cer <br /> Laurie A. Cotull , REHS, Program Manager <br /> Environmental Health Division <br /> LAC/MC: lb <br /> C: Earth Systems Environmental, Inc, <br /> c: Elizabeth Thayer - CVRWQCB <br /> A Divt,ion of Can Joayufn c otmty IItall h i are Services <br />