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PUBDC HEALTH SERI ICES <br /> SAN JOAQUIN COUNTY r 4� <br /> JOGI KHANNA M.D.,M.P.H. <br /> Health Officer V. <br /> P.O.Box 2009 (1601 East HaadtonAvmw)•Stodaon,CsH[arnia 95201 <br /> JOL 18 1991 (209)468-3400 <br /> JOHN RUTHERFORD COPY <br /> DESERT PETROLEUM <br /> P O BOX 1601 <br /> OXNARD CA 93032 <br /> RE: 9SO W. 11th St. IN REPLY REM TO SITE CODE: 1401 <br /> Tracy, CA <br /> San Joaquin County Public Health SMices,Environmental Health Division (PHWEHD) has completed the <br /> review of the Work Pian for further assessment dated May 20, 1991, prepared by Western Geo-Engineers <br /> for the site and has the following comments: <br /> 1. The use of a hand auger to drill the proposed sod boring and monitoring well is not <br /> recommended as it would be difficult to reach the required depths and it may affect the <br /> quality of the monitoring well construction. <br /> 2. Additional slotted casing in the monitoring well is recommended to allow for a more <br /> representative sample and for fluctuations in the water table. <br /> 3. At least one confifmation sampling of all monitoring wells(showing no contamination using <br /> the proper detection limits) is recommended. <br /> 4. All borings and/or monitoring wells must be completed by a contractor with a current C57 <br /> license. A copy of their current contractor's license,worker's compensation and contractor's <br /> questionnaire must be on file in this office. <br /> Permits are to be obtained for all borings and/or monitoring wells installed in the County <br /> Per San Joaquin County Ordinance 1862. <br /> S. A site specific health and safety plan and a site crap showing the location of any <br /> underground UdHties, along with the application for permit, filled out in triplicate and <br /> signed by the licensed contractor, and the $89.00 permit fee must be submitted to this <br /> office before a permit can be issued. <br /> If there are any questions contact Linda Turkatte,EHS, at (209)468-3442. <br /> Jogi Khanna..,M.P.H. <br /> Health,Officer <br /> AFA/ft_/CotaudB* Program Manager <br /> . <br /> ental Health Division <br /> r <br /> VRWQCB <br /> : Western Geo-Engineers -George C. Converse <br /> 1386 E.Beamer St.,Woodland, CA 9569S-9603 <br /> A oivbioe at Son JuagtM cwnty Huth c•.aro Srivices �/ <br />