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0,5 k <br /> PUBLIC HEALTH SERVICES <br /> SAN JOAQUIN COUNTY ` <br /> JOGI KHANNA M.D.,M.P.H <br /> Health Officer <br /> C4Ci.......�j�P <br /> P.O. Box 2009 (1601 East Hazelton Avenue) 0 Stockton, California 95201 FOR <br /> (209)468-3400 <br /> CCPENNY SILZER u <br /> UNOCAL <br /> 2000 CROW CANYON PLACE #400 NOV 0 b 1992 <br /> SAN RAMON CA 94583-1367 <br /> Re: Unocal Bulk #0788 Site Code: 1597 <br /> 8203 West Eleventh Street <br /> Tracy CA 95376 <br /> San Joaquin County Public Health Services, Environmental Health Division (PHS/EHD) has completed <br /> review of the "Quarterly Monitoring Report" dated October 2, 1992 and prepared by GeoStrategies. <br /> PHS/EHD has the following comments for your consideration. <br /> PHS/EHD was not notified of the August 6, 1992 sampling. Please be informed that PHS/EHD <br /> inspections of sampling events are an important aspect of local regulatory oversight. PHS/EHD should be <br /> notified 48 hours prior to any site activities, including sampling events. <br /> The "Soil and Groundwater Investigation" report dated June 11, 1992 and prepared by Pacific <br /> Environmental Group indicated that included within the next quarterly report would be the results of a <br /> proposed file research and vapor extraction feasibility study. Neither the next quarterly report dated July <br /> 10, 1992 nor the following quarterly report dated October 2, 1992 contained this information. Please <br /> provide file review conclusions and the vapor extraction feasibility study by December 20, 1992. <br /> If you have any questions or wish to schedule a site inspection, please contact Mary Meays, REHS, of my <br /> staff at (209) 468-0337. <br /> Jogi Khanna, ,D., M.P.H. <br /> Health Or <br /> nu A. Cotulla, REHS, Program Manager <br /> Environmental Health Division <br /> LAC/MM:lb <br /> c: Elizabeth Thayer, CVRWQCB <br /> c: John Baldwin, Pacific Environmental Group <br /> c: Diane Lundquist, GeoStrategies <br /> A Division of San Jmqum County Health Care scmlces �� <br />