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BOARD OF TRUSTEES SAN JOAOUIN LOCAL HEALTH DISTRICT SERVING <br /> Al Crow,Pres i San Joaquin County <br /> Earl Pimentel,Vice Pres 1601 East Hazelton Avenue City of Manteca <br /> Tommy Joyce,Secy Stockton, California 95205 City of Escalon <br /> James F Culbertson City of Lodi <br /> John D Mast,M D JOGI KHANNA, M D, M P H, DISTRICT HEALTH OFFICER City of Tracy <br /> Virginia Mathews City of Ripon <br /> Thomas Schubert,D V M San Joaquin County <br /> Daphne Shaw City of Stockton <br /> Harvey Williams,Ph D San Joaquin County <br /> August 12, 1988 <br /> Peter D'Amico <br /> Thrifty Oil Company <br /> 10000 Lakewood Boulevard <br /> Downey, CA 90240 <br /> RE. PRELIMINARY WORKPLAN FOR SOIL/GROUNDWATER ASSESSMENT <br /> 1250 N. WILSON WAY - SERVICE STATION #171 <br /> We are discontinuing review of your Workplan because it is incomplete or missing data. We cannot 1 <br /> properly review it until the deficiencies checked below are corrected Please complete the following. <br /> Results of previous investigations <br /> The stamp or seal of a registered geologist or certified California geologist, or <br /> registered engineer (State of California registration). <br /> Detailed site map showing tank location and type, piping, streets and adjacent properties <br /> (north toward the top of the page). <br /> Results of tank tests (including type of test). <br /> Estimates of quantity and compositions of the liquid leaked (including basis of estimate). <br /> History of site use (including tank use). <br /> Local topography, geology, nearby streams, estimated or measured depth to groundwater <br /> Location, depth, and type (municipal, domestic, irrigation) of water wells within 500 feet <br /> XX*_ Location of nearby septic tanks, leachfields, buildings, and underground public utility <br /> lines (including water, sanitary sever and storm sewer). <br /> Proposed program, including methodology, to define the extent of soil and groundwater <br /> contamination. <br /> XX_ Proposal to dispose of soil boring(s) cuttings and/or bailed water volumes from monitoring <br /> well(s) <br /> Lithologic logs have not been signed by the registered geologist or certified engineering <br /> geologist (State of Calif. registration) who is responsible for logs' accuracy <br /> Depths to groundwater; shallow, unconfined and confined zones. <br /> Elevations of monitor wells and/or domestic well(s) on property. <br /> Groundwater gradients based on periodic water level measurements from on-site monitor wells <br /> and domestic well(s). <br /> Lithology and cross sections based on boreholes, trenches, and other supporting <br /> information <br /> Proposal for additional boreholes and/or monitor wells necessary to define the extent of <br /> contamination <br /> Soil Groundwater <br /> XX_ Other Method of drilling, type of equipment, and sampling apparatus. <br /> *Maintain minimum setback requirements of 50 feet from any sewer line: 10 feet from <br /> Rroperty lines. <br /> cc: RWQCB <br /> Marty Cramer, Woodward-Clyde Consultants <br />. EH N WP\CHECLIST <br /> Administration Clinical Services Environmental health Public Health Nursing <br /> 468-3400 468-3830 468-3420 468-3860 <br /> Air Pollution Community Services Laboratory WIC <br /> 468-3470 468-3820 468-3460 468-3280 <br /> AIDS Information 468-3820 <br />