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ENVIRONMENTAL HEALTH DEPARTMENT <br /> SAN JOAQUIN COUNTY <br /> Program Coordinators <br /> Donna K. Henan, R.E.H.S. g <br /> y: :` Director 304 East Weber Avenue,Third Floor Carl Borgman,R.E.H.S. <br /> Laurie A. Cotulla,R.E.H.S. Stockton, California 95202-2708 Mike Huggins,R,E.H.S., R.D.I. <br /> ra�f r-4\P Assistant Director Telephone: (209)468-3420 Margaret C lello , RX.H. . <br /> Robert McClellon, R,11.H,S. <br /> Fax: (209) 464-0138 .Teff Carruesco, R.E.H.S. <br /> Website:www.sjgov.org/ehd/ Kasey Tooley, R.E.H.S. <br /> i <br /> PETE GRAFFIGNA <br /> FLAME MINI-MART j <br /> 1 <br /> 1301 W KETTLEMAN LANE <br /> LODI CA 95242 <br /> RE: Flame Mini-Mart Site Code: 1342 <br /> WORK PLAN: Interim Sall Remediation Work Plan <br /> DATED: July 17,2006 <br /> PREPARED BY: AGE <br /> APPROVED: 1X1 <br /> DISAPPROVED: [ 1 <br /> ADDENDUM NEEDED: [ 1 Submit by: <br /> ADEQUATE AND NECESSARY ELEMENTS OF THE WORK PLAN [H&S 25296.10(c)(3)): <br /> 1. The 4 existing vapor extraction wells (VW1 through VW4), installed in 2005 and used for a soil <br /> vapor extraction(SVE) pilot test in 2006,will be piped along with MW-1 and MW-2 to a 250 <br /> cubic feet per minute(cfm)blower and catalytic oxidizer to perform interim soil vapor <br /> extraction. <br /> 2. During the first week of operation,soil vapor influent and effluent samples will be collected <br /> and analyzed on a daily basis to monitor contaminant destruction efficiency. Along with <br /> vapor monitoring,additional parameters will be recorded during this period: a€r flow,vacuum, <br /> and temperature. <br /> 3. After one week of continuous operation,sampling will be reduced from a daily to a monthly <br /> Interval. <br /> 4. Vapor analysis will include:TPH-gas,STEX,and MTBE. <br /> 5. SVE reporting will be done on a quarterly basis. <br /> COMMENTS AND CONDITIONS: <br /> 1. The proposed VW5 cannot be approved at this time. Soil borings P4.and P5 completed by <br /> AGE in the fuel dispensing area were non-detect for all contaminants analyzed and soil <br /> results from MW-2 indicate low levels of vadose contaminant mass. If better justification for <br /> the installation of VW5 can be supported, EHD will reevaluate the need for any additional SVE <br /> remediation wells. <br /> 2. When all required permits are In place,continuous SVE should begin without any further <br /> delays. <br /> 3. Increasingly high concentrations of MTBE in the groundwater have been documented at your <br /> site. This WP does not address groundwater remediation/cleanup. Groundwater cleanup will <br /> also be required at your site. Please submit a WP for groundwater remediation as soon as <br /> possible. <br /> DATED Z/10 OO BY <br /> Harlin Knoll, Senior REHS(209)468-3442 <br /> cc: AGE <br /> r <br />