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08/23/2004 08 30 20946°3433 FIFTH Fl.❑4R PAGE 02 <br /> ENVIRONMENTAL HEALTH DEPARTMENT <br /> SAN JOAQUIN COUNTY <br /> Donna k Heran,R F.A 5 Unit Supervisors 304 East Webei Avenue Third floor Carl sorgman,R P-34s <br /> 4n - ,< 13rreCtol ' MIke Huggins,R E H S, F.D i <br /> Al 034en.11 E H S. Stockton, California 9 202-270$ DovAlas W Wilson,R E rl S <br /> Prue nm h1uomQej <br /> Laurie:4 Cotulln,k2�H S Telephone (209)46$-3420 Margaret Lagond,R t;i3 s <br /> Praorain titnnagar Flt (209)454-0138 Robert S <br /> Mark 8areellos,RR 8 H S <br /> MCL FILE COPY <br /> 7-ELEVEN INC <br /> KEN HILLIARD AUG 2 3 2004 <br /> PO BOX 711 <br /> DALLAS TX 75221-0711 BY;-------------------- FA a P) <br /> RE 7-Eleven Store#14117 Site Code 1073 <br /> 2725 Country Club Blvd RO# 0000413 <br /> Stockton, CA , 95204 CUF# 015013 <br /> WORK PLAN "Work Plan for Additional Site Assessment." <br /> DATED .July 27, 2004 <br /> • PREPARED BY Secor International Inc.--Dan Davis, R.G <br /> STATUS APPROVED, with conditions noted below <br /> ADEQUATE AND NECESSARY ELEMENTS OF THE WORK PLAN H&S <br /> 25290.10(c)Q)3 <br /> 0 Continue lateral and vertical extent Investigation by installing on and <br /> offsite push-point soil borings (GP-1 thru GP-3), on and offsite CPTs <br /> (CPT-1 thru 3), and two offsite monitoring wells (MW-9 & MW-10) and, <br /> Collect soil and ground water'samples from the Geoprobe, CPT and <br /> monitoring well installations and analyze the sail samples forTPH-g, <br /> BTEX, MtBE by 8260B Ground water grab samples to also include <br /> the fuel oxygenates (TBA, DIPE, ETRE, TAME) andk <br /> o Submit report of findings to EHD, <br /> COMMENTS AND CONDITIONS: <br /> TBA has been detected in soil samples close to the original UST pit <br /> as noted in "GP-14-10", "GP-17-15", and "S13-1". Proposed borings <br /> '60PT-1", "MW-9", and "GP-1" are closest to this area and would help <br /> investigate the lateral extent These bonngs are to have TBA soil <br /> analysis added If TBA is detected in these soil samples, further <br /> lateral and vertical investigation will be required to delineate the <br /> extent of TBA and, <br />