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PUBLIC HkALTH SERVICS�S pP N <br /> � o <br /> SAN JOAQUIN COUNTY Q � a <br /> ENVIRONMENTAL HEALTH DIVISION <br /> Karen Furst, M.D., M.P.H., Health Officer <br /> C4C/FOaN\P <br /> 304 East Weber Avenue, Third Floor • Stockton, CA 95202 <br /> 209/468-3420 <br /> APR 112000 <br /> FRANK COELHO <br /> C & B EQUIPMENT <br /> 7474 ELEVENTH STREET <br /> TRACY CA 95376 <br /> RE: C& B Equipment - SITE CODE: 1564 <br /> 7474 Eleventh Street <br /> Tracy, CA <br /> San Joaquin County Public Health Services, Environmental Health Division (PHS/EHD)has reviewed the <br /> "Revised Work Plan"dated March 15, 2000, prepared by Geological Technics Inc.for the above referenced <br /> site. <br /> Please proceed with the submittal of the survey of wells within 2000 radial feet of the site as directed in <br /> previous correspondence, performance of a video of the on site domestic well to evaluate the condition of <br /> the well for abandonment decisions, and installation of a new domestic well in the northeast portion of the <br /> site away from the petroleum contamination. <br /> The destruction methods, permits and fees for domestic wells differ from monitoring wells. A copy of the <br /> portion of the well standards that discuss destruction of domestic wells is enclosed. Destruction of the <br /> domestic well should be according to the standards not as discussed in the work plan. <br /> Destruction of the monitoring wells should not occur until all other work has been performed and PHS/EHD <br /> has requested and obtained concurrence from the Central Valley Regional Water Quality Control Board for <br /> no further action being required at this site. San Joaquin County Well Standards require that monitoring <br /> wells in areas of contamination, be destroyed by drilling all the material out(overdrill)and filling the <br /> borehole with grout. Monitoring wells MW 101, MW 1 and MW2 are in areas of contamination and must be <br /> overdrilled and the borehole grouted. Monitoring wells MW3, MW4, MW5, MW6 and MW7 can be <br /> destroyed as described in the work plan. <br /> i <br /> Please continue quarterly monitoring of the site wells until this investigation is deemed completed by all <br /> regulatory agencies. <br /> If you have any questions contact me at(209)468-3449. <br /> Donna Heran, REHS, Director <br /> Environmental Health Division <br /> Margaret Lagorio,Supervising REHS <br /> Site Mitigation Unit <br /> Enc <br /> c:. CVRWQCB-Marty Hartzell <br /> Geological Technics Inc.- Ray Kablanow <br /> A Division of San Joaquin County Health Care Services <br />