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FOOTHILL <br /> ENGINEERING <br /> 12793 PADDY CREEK LANE LODI, CA 95240 <br /> PH. (209) 368-9381 FAX (209)367-1163 <br /> I <br /> Ms. Mary Maze <br /> San Joaquin County Public Health Services <br /> Environmental Health Division <br /> P.O. Box 2009 <br /> Stockton, CA 95201 April 17, 1996 <br /> Subject. Report of Soil Sample Analysis <br /> California Fuels& Van De Pol Ent. <br /> j 2402 Pacific Ave. ' <br /> Stockton, CA 95204 <br /> Dear Ms. Maze, <br /> Please find attached copies of the Analysis Report prepared by Sherwood Labs and a map showing <br />` the location of the soil samples taken on March 18, 1996 under the authors' supervision. <br /> SITE HISTORY <br /> The site has been a fuel dispensing facility for many years. The most recent lessee was California <br /> Fuels. Jim Thorpe Oil was retained by California Fuels to remove and dispose of two gasoline tanks <br /> (Tank#1 and Tank #2), and Tank #3 that had contained Number 2 diesel fuel. <br /> TANK REMOVAL <br /> On the morning of March 12, 1996 all three tanks were removed from the site. The work was under <br /> the supervision of the City of Stockton Fire Department and San Joaquin County PHSIEHD. The site <br /> conditions had become unsafe for soil sampling by 11:00 am due to heavy rain. The Site was secured <br /> and soil sampling postponed to a date with more favorable weather conditions. <br /> SOIL SAMPLING <br /> On March 18, 1996, soil sampling of the site was resumed under the supervision of PHS/EHD and <br /> Foothill Engineering. Standard BX brass tube samples were retrieved from an excavator bucket by <br /> a hand driven sampler. The soil samples were taken from each end of the three tanks at depth of four <br /> feet below the bottom of the tanks. Some strong gasoline fumes were present on both ends of Tank <br /> #2 and on the east end of Tank#1. <br /> Soil samples were placed on ice and transported to Sherwood Labs under a chain of custody. <br /> EXCAVATION BACKFILL <br /> The stockpiled soil from the tank excavation has been placed in the back in the original excavation <br /> until finial closure plans are developed. <br /> CONCLUSIONS <br /> Samples taken from underneath Tank#2 and at the east end of Tank 91 indicate a leak may have been <br /> I <br />