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s <br />groundwater resources inc. <br />March 17, 1989 <br />JoaquinMr. Jaime Favila <br />San <br />Environmental <br />isEast Hazleton <br />Stockton, y, 95205 <br />C <br />5610 DISTRICT BLVD., SUITE 106 <br />BAKERSFIELD, CALIFORNIA 93313 <br />General Engineering Contractor <br />Class A License No. 520768 <br />Re: Failed Precision Tank Test <br />on the 3,000 gallon Back-up <br />Generator Diesel Fuel Tank <br />Located at 430 W. Center St. <br />Manteca, CA on March 13, 1989 <br />Dear Mr. Fvila, <br />Subsequent to our phone conversation on March 13, 1989, please <br />find enclosed our application, fee, test results and work plan to <br />investigate the cause of the failed tank test on CONTEL's <br />generator tank. <br />The test data indicates no apparent vapor problems in the tank. <br />We suspect possible plumbing problems and propose to do the <br />following: <br />WORK PLAN <br />1) Excavate the top of the tank on the centerline to expose all <br />fittings and bungs. <br />) Isolate all lines from the tank. <br />3)Re-test and verify any visual problems on tank top. <br />4) Hydraulic liquid test all buried lines. <br />5) Analyze all line and tank test data with conclusive results. <br />6) Implement a remedial plan of action if necessary after <br />retest. <br />7) Soil sample and analysis if required. <br />We appreciate your timely review and response to this application <br />and workplan. If you have any questions, please call me at (805) <br />1i <br />Very truly yours, <br />Anthony M. Ramirez <br />Project Manager <br />Encl. <br />cc: Mr. George Hedrick <br />MAILING ADDRESS: P.O. BOX 9383, BAKERSFIELD, CA 93389 (805) 835-7700 <br />OTHER LOCATIONS: LOS ANGELES (213) 724-3147 PLACENTIA (714) 528-2415 <br />