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0 0 <br /> San Joaquin County <br /> Environmental Health Department DIRECTOR <br /> 1868 East Hazelton Avenue Donna Heran, REHS <br /> Q: <br /> Stockton California 95205-6232 PROGRAM COORDINATORS <br /> Ni ' Robert McClellon,REHS <br /> Jeff Carruesco,RENS, RDI <br /> Website: www.sjgov.org/ehd Kadey Foley, RENS <br /> Linda Turkatte,REHS <br /> Phone: (209) 468-3420 Rodney Estrada, REHS <br /> Fax: (209) 464-0138 Adrienne Ellsaesser, REHS <br /> June 6, 2013 <br /> Mr. Cyrus Youssefi Mr. Joe Mulligan <br /> 601 Main Street Investors PTP Supervising Real Property Agent <br /> 1006 Fourth Street, Suite 701 City of Stockton — Economic Development Dept. <br /> Sacramento, California 95814 425 North EI Dorado Street <br /> Stockton, California 95202 <br /> Subject: Main Street InvestorsNillas de Amistad <br /> 601 East Main Street <br /> Stockton, California 95202 <br /> By letter dated 14 November 2012, the San Joaquin County Environmental Health Department <br /> (EHD) had expressed concern that soil from the "hot pile" may have been returned to the former <br /> underground storage tank (UST) pit at the above-referenced site. By email dated 20 November <br /> 2012, your consulting firm, Advanced GeoEnvironmental, Inc. (AGE), submitted a manifest <br /> documenting that the highly contaminated soil from the "hot pile" had been taken to Forward <br /> Landfill. <br /> Following this submittal, the EHD expressed to AGE by telephone communication on 27 <br /> November 2012 and email dated 28 November 2012, the need to address all the bulleted items <br /> presented in the EHD letter dated 14 November 2012, which included: <br /> • Submission of a sensitive receptor survey report to the EHD that included surface water <br /> bodies, schools, hospitals, daycares, etc., as well as domestic, municipal, industrial and <br /> other wells within a 2,000-foot radius of this site (contact the Department of Water <br /> Resources, municipal water suppliers, and nearby industries for well information and <br /> submit any known construction details of the wells; perform a physical search of the area <br /> to identify all wells, and show the location of all wells on a map, relative to the location of <br /> this site); <br /> • Addressing the lateral delineation of soil contamination to the north, south and west of <br /> the former UST area where data gaps exist; <br /> • Providing the technical justification if site closure is recommended, considering that there <br /> is the potential for soil vapor to enter the basement of the nearby apartment since the <br /> former UST was within approximately five feet of the apartment building. Soil samples <br /> collected during the tank removal indicated that total petroleum hydrocarbons as diesel <br /> (TPH-d) was detected in soil sample TK-1 at 3,700 milligrams per kilogram (mg/kg), <br /> approximately 11 feet below surface grade (bsg), and TPH-d was detected at 5,800 <br /> mg/kg in soil sample TK-2, approximately 10.6 feet bsg; and <br />