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1 Brown and Caldwell <br /> 3480 Buskirk Avenue <br /> Pleasant Hill CA 94523-4342 <br /> P Q Box 8045 <br /> Walnut Creek CA 94596-1220 <br /> (510)937-9010 <br /> FAX(510)937-9026 <br /> October 17, 1994 <br /> ' Ms Linda Turkatte <br /> Senior Registered Environmental Health Specialist <br /> San Joaquin County Public Health Services Department <br /> Site Mitigation Unit <br /> P O Box 388 <br /> Stockton, California 95201-0388 11-1565-0711 <br /> Subject Work Plan for E-Z Serve Management Company Site #100878 <br /> 1012 West Yosemite Avenue. Manteca, California <br /> Dear Ms Turkatte <br /> Brown and Caldwell has been retained by the E-Z Serve Management Company (E-Z Serve) <br /> to address the environmental concerns which exist at E-Z Serve's former gasoline station <br /> #100878, located in Manteca at 1012 West Yosemite Avenue (Site) This document is a plan <br /> for continuation of the site investigation at the Site The work proposed below will be <br /> performed in accordance with the Tri-Regional Board Staff Recommendations for the <br /> Preliminary Evaluation and Investigation of Underground Storage Tank Sites, dated August 10, <br /> 1990, the State Water Resources Control Board Petroleum Underground Storage Tank Cleanup <br /> Fund Corrective Action Guide, dated June 1992, and your September 13, 1994 letter to E-Z <br /> Serve requesting additional work at the site <br /> This document proposes additional work to investigate the potential for remediation of the <br /> petroleum hydrocarbon affected soil and groundwater through soil vapor extraction (SVE) and <br /> air argirig_(AS) Following the completion of the proposed pilot test Brown and Caldwell <br /> will review options available for remediation and make recommendations to the County <br /> Background ' <br /> I <br /> The following background information has been obtained from E-Z Serve and Hydro- <br /> Environmental Technologies, Inc (HETI). <br /> I <br /> Three underground storage tanks (USTs) were installed at the site in 1970 In July 1989, the <br /> UST containing regular leaded gasoline failed a tank tightness test The station closed in <br /> August 1989 with no further testing performed The USTs and associated product lines were <br /> a I I 1 I I I I <br /> I I <br /> I E I I <br /> a\erserve\300849'\ orkplan I, <br /> hplaserITID I 1 I I I I 11 I E <br /> I II I II I I� I I I I IIII IE II II I 1 1 � I I' 1 III I II .I II I I <br /> ! , 1 <br /> I I 1 III I M 1 <br /> I , IY1 1 ' Ik II ' I�I Iily ',I II I <br /> EE JI ff II I pp I I <br /> yl I`I I IIII 1 I 1 Illp to J. i I I I 1 111 `! I I [ II Elt IIII '11 Illi II IEI II i r Ik 1 III <br />