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iiEASERVfCESPUBLIC LTH � � ..9 <br /> SAN JOAQUIN COUNTY r� E <br /> ENVIRONMENTAL HEALTH DIVISION m, <br /> Ernest M. Fujimoto, M.D., M.P.H., Acting Health Officer •_. P <br /> 445 N. San Joaquin Street • P.O. Box 388 • Stockton, CA 95201-0388 <br /> (209) 468-3420 <br /> CAPLIN MCGIFF ENTERPRISES INC <br /> 1050 ELKHORN BLVDJul 1 199l13 <br /> STOCKTON CA 95209 <br /> RE: Elkhorn Country Club SITE CODE: 1949 <br /> 1050 Elkhorn Blvd. <br /> Stockton CA 95209 <br /> San Joaquin County Public Health Services Environmental Health Division(PHS/EHD)has reviewed the laboratory <br /> analysis report, from McCampbell Analytical Inc., of the samples obtained on 6/20/94 from the soil boring at the <br /> above referenced site. <br /> The sample obtained from the 35 foot depth in the boring shows high levels of gasoline contamination. Depth to <br /> water in this area has been as high Vs 35 feet below grade as indicated on the Spring 1983 and 1986 San Joaquin <br /> County Flood Control water maps. The total depth of the boring was 38 feet. Moisture was present at this depth <br /> indicating the top of the capillar, hinge. The investigation indicates that there is less than a 5 foot separation <br /> between contamination and groundwater. A groundwater investigation is required due to this condition. <br /> The lateral and vertical extent of soil contamination in the area of the former tank bed has not been determined. A <br /> continuation of the soil investigation is required to define the lateral and vertical extent of soil contamination. The <br /> groundwater investigation will shoe- if groundwater has been impacted. If groundwater has been impacted then the <br /> lateral and vertical extent of the plume will be defined by the groundwater investigation. <br /> When the soil and groundwater coommination has been defined alternatives for remediation must be submitted. <br /> PHS/EHD requests that a workplan for installation of 3 monitoring wells, to begin a groundwater investigation, be <br /> submitted within 30 days of the date of this letter. <br /> Donna Heran, REHS, Director <br /> EnvironmentalH alth Division <br /> e en arson, Senior REHS <br /> #iane� inson REHS <br /> Site Mitigation Unit Supervisor <br /> SS <br /> c: SWRCS, Underground Storage Tank Program <br /> Lori Casias <br /> c: CVRWQCB <br /> Elizabeth Thayer <br /> c: Geological Audit Service_ Inc. <br /> Bob Marty <br /> Ditii%inn of Sun Joaquin young Health Care Sertiice, <br />