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.-•_ 7-Eleven/Stockton 27 <br /> April, 1988 <br /> The soil-vent system has been operating continuously at a <br /> flow rate of 100 cubic-feet-per-minute (cfm) . The system has <br /> been converted to incorporate four carbon-adsorption canisters <br /> which has increased the carbon life of the system to approxi- <br /> mately 3 weeks. <br /> -• <br /> RECOMMENDATIONS <br /> Based on the current site conditions and the data accumu- <br /> lated to date, GTI suggests the following work be performed to <br /> cGnti,nue the remediation effort: <br /> Continue the regularly scheduled monitoring and <br /> sampling program on the monitoring and domestic wells. <br /> - Attempt to increase the pumping rate in RW-1 to 7.5 gpm <br /> co induce movement of any remaining free product into <br /> the recovery well. <br /> CLOSURE <br /> Groundwater Technology, Inc. is pleased to have been of <br /> service to Southland Corporation. We trust this update meets <br /> your needs at the present time. If you have any questions or <br /> require additional information, fee free to contact us at our <br /> Concord office. <br /> DEDEDD GROUND11'ATEli <br /> TFxi1NO1DG1;INC. <br />