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L�6& <br /> PUBLPC HEALTH SERVICES ,oPaV,Nr�o <br /> SAN JOAQUIN COUNTY <br /> JOGI KHANNA M.D.,M.P.H. <br /> Health Officer ` <br /> 'P <br /> P.O. Box 2009 • (1601 East Hazelton Avenue) • Stockton,California 95201 <br /> (209)468-3400 <br /> FRANK MORITA <br /> MORITA BROTHERS <br /> 662 BELMONT PL MAY 2 9 1992 <br /> STOCKTON CA 95207 C(Opy <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. <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 /> Jo <br /> 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 Division of San Joaquin County tiealth tare Services �� <br />