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PUBLIC HEALTH SE VICES U IT-1 <br /> N_. <br /> SAN JOAQUIN COUNTY <br /> ENVIRONMENTAL HEALTH DIVISION <br /> S <br /> Karen Furst, M.D., M.P.H., Health Officer , aP <br /> 304 East Weber Avenue, Third Floor • Stockton, CA 95202 `IFoR <br /> I <br /> 2091468-3420 <br /> FILE COPY <br /> PAUL SUPPLE <br /> ARCO STATION #4493 <br /> P 0 BOX 6549 e s <br /> MORAGA CA 94570 <br /> RE: ARCO Station #4493 SITE CODE: 1042 <br /> 205 N Center Street j <br /> Stockton CA 95202 <br /> San Joaquin County Public Health Services, Environmental Health Division (PHSIEHD) <br /> has reviewed the "Soil Sampling During UST, Proc uct Line, and Dispenser Removal <br /> Activities" dated July 7,1999 and the "Quarterly Groundwater Monitoring Report, Second <br /> Quarter 1999" dated August 19, 1999 that were submitted by Secor International Inc. on <br /> behalf of the above referenced site and has the fol owing comments. <br /> The July 7, 1999 report documents soil-sampling activities that occurred in conjunction <br /> with the removal of four underground storage tanks from the site. The report failed to <br /> provide tracking records for the removed tanks. Ttie report also did not include proper <br /> documentation concerning the disposition of the contaminated soil stockpiles that were <br /> removed from the site. Please forward the signed tank tracking records and soil <br /> disposition receipts to PHSIEHD immediately. <br /> Analytical results from the water samples collectec on June 17, 1999 indicate that the <br /> vertical and lateral extent of the groundwater contamination at this site has not been <br /> defined. Please prepare a work plan to define the vertical and lateral extent of the <br /> petroleum hydrocarbon plume at this site and submit it to PHSIEHD no later than <br /> November 30, 1999. Soil borings!for the collection of soil and groundwater samples will <br /> be necessary for a complete site characterization, and down-gradient wells will be <br /> required for monitoring the extent and degree oft the dissolved contaminant plume. <br /> If you have any questions or comments please call Lori Duncan at (209) 468-0337. <br /> Donna Heran, REHS, Director <br /> Environmental Health Division <br /> G <br /> Lori Duncan, Senior REHS MargaMt Lagorio, EHS <br /> Site Mitigation, Unit IV Supervisor, Unit IV <br /> cc: Mark List, CVRWQCB <br /> Kitty Walker, City of Stockton Redevelopment Agency <br /> Rusty Benkosky, Secor International Inc. <br /> A Division of,San Joaquin County Health Care Services <br /> II <br />