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f r <br /> i <br /> Second Quarter 2003 VES Report-Former Tosco 76 Branded Station No 6981,Stockton,CA <br /> July 23,2001 <br /> period were 100% Emission rates for TPHg were <0 21 lb/day During the first quarter 2001, the VES <br /> extracted and treated <0 10 pounds of TPHg and_<0 001 pound of benzene _ Since installation in _ <br /> September 1994, the VES has extracted and treated approximately 14,794 pounds of TPHg and 183 <br /> pounds of benzene VES analytical data for the quarter are summarized in Table 1, and operational data <br /> are summarized in Table 2 Based on the extractable vapor concentrations, the VES system is not <br /> currently a cost-effective remedial measure GR has been researching an alternative remedial measure to <br /> continue remediate the residual hydrocarbons beneath the site <br /> If you have any questions regarding the content of this document, please call us at (707) 789-3255 <br /> Sincerely, <br /> Gettler-Ry Inc. / <br /> Sc'6tt Polston ' <br /> Staff Engineer <br /> Attachments Table 1 - Summary of VES Chemical Analytical Data . <br /> Table 2 - Summary of VES Operation <br /> Figure 1 Vicinity Map <br /> Figure 2 Site Pian <br /> GR Sampling Methods and Procedures <br /> Laboratory reports and chain-of-custody documents <br /> cc Ms Margaret Lagono, SJCEHD, 304 E Weber Avenue, Third Floor, Stockton, CA 95202 <br /> Mr Marty Hartzell, RWQCB, 3443 Routier Road, Suite A, Sacramento, CA 95827-3003 <br /> Ms Diane Busalacci, SJVUAPCD, 4230 Kiernan Avenue, Modesto, CA 95356 <br /> Mr David Luick, MS CC20E, Target Stores, 33 South Sixth Street, Minneapolis, MN 55440-1392 <br /> • <br /> 140124 04 <br />