SITE INFORMATION AND CORRESPONDENCE CASE 1

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Geological Technics. Inc.. 2741 Y fiver Jp4d MAdesw,California 95351 (209)538-6424/ga7C#538-5852 February 29, 1996 GTI Project No.: 358.3 GTI Project Name: Bank of Stockton (Western Lift) Mr. Steve Parada State Water Resources Control Board UST Cleanup Fund 2014 T Street,Suite 130 P.O. Box 944212 Sacramento,CA 94244-2120 RE: USTCFP, Reimbursement Request Process, Claim Number 1878 Western Lift, 3430 S. EI Dorado , Stockton, CA Project Status Dear Mr. Parada: This is in reference to your form letter�of February 20, 1996 to the Bank of Stockton regarding UST corrective action and reimbursement. On behalf of the Bank of Stockton,I would like to inform you of the status of the project. krr Project Status Report Three former USTs were removed in June of 1991 and the soil at the site was found to be contaminated. The tank pit was over excavated to a depth of about 34 feet below,,.�; grade and a total of five groundwater .monitoring wells have been installed. : h " average depth to groundwater is about 40 feet below grade.. The soil has been cleaSed, up to the satisfaction of the San Joaquin County PHS/EHD (the LOP). There has been a small though persistent level of benzene in two of the groundwater monitors, however. y' It had been hoped that the benzene would naturally dissipate or biodegrade, but this has not occurred. On September 6, 1995. the Bank of Stockton was issued a directive (copy attached) by the LOP to submit a Work Plan to conduct a feasibility study to determine the best method of final remedial action. On September 28, 1995 a Work Plan was submitted to the LOP and a revised copy was submitted on October 31, 1995. The LOP approved the Work Plan on November, . 1995. On November 15, 1995 a pre- approval request was submitted to the UST fund to cover the costs associated with the t