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Pacific Growers, Inc. • • September 1, 1989 <br /> Page 2 <br /> Quote No. 7519F <br /> Tank Excavation <br /> Tank excavation will involve the following activities: <br /> • Using appropriate extravation and demolition equipment, excavate backfill <br /> material enough to remove storage tanks. <br /> • Stockpile excavated backfill material on-site. Excavated material will be <br /> placed on plastic at a locatica-i previously authorized by Client. <br /> • Safeguard volatile organic tanks by adding dry ice (approximately 150 <br /> pound per 10,000-gallon tank capacity) to suppress organic vapors and <br /> displace oxygen. <br /> • Using appropriate backhoe or crane equipment, remove tanks from the <br /> excavation for temporary on-site storage. Tanks will be placed on plastic to <br /> prevent leakage of residual product onto pavement. <br /> • Or, tanks will be placed directly onto licensed hazardous material transport <br /> vehicles. <br /> • Remove vent and product lines from tanks and dispenser island. <br /> Sampling <br /> • Two soil samples per tank will be collected from the extreme ends of the <br /> excavation (directly below the tank ends). <br /> • The samples will be analyzed for: total petroleum hydrocarbons (TPH) as <br /> diesel with benzene, toluene, ethyl benzene, and xylenes (BTEX) <br /> distinction (2 samples). , <br /> • Inspect exposed excavation surfaces to identify visible presence of soil <br /> contamination. <br /> Tank Disposal <br /> Most organic fluids, including diesel and gasoline fuel, are considered hazardous <br /> materials under state law. An empty tank, not intended for reuse, bill previously <br /> used to store hazardous materials, is classified as hazardous waste under both <br />