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`.. N%.00 PROCEDURES FOR UNDERGROUND TANK REMOVAL E. TANK AND PIPING REMOVAL 1. Soil suspected to contain hydrocarbons or any contaminates will be segregated and placed on visqueen or the equivalent. The contractor will keep separate any suspected contaminated soil from clean soil. 2. The tanks shall be lifted from the excavation with a crane or backhoe of sufficient weight capacity, and placed on smooth ground free of rocks and/or other foreign objects for inspection. 3. All piping shall be removed as practical. Piping that, in the judge- ment of Placer Tractor, cannot be removed must be brought to the attention of the site inspector who will have the final authority to allow piping to be left in place. All piping left in place must be sealed with concrete at all openings. 4. The pump island will be removed and disposed of by Placer Tractor. F. TANKS ABANDONED IN PLACE 1. The underground storage tank will be pumped of all liquid or sludge. The tank will then be triple rinsed and then filled with a two sack concrete slurry mix.. 2. A notice shall be placed in the deed of the property by the owner. The notice shall describe the exact location of the closed under- ground storage tank, the substance it contained and the closure method. G. DECONTAMINATE TANKS The interior of the tanks will be pressure washed per the specifications of NFPA 327. The equivalent of a triple rinse of water and trisodium phosphate generating a minimum of one percent of the tank volume. H. DISPOSAL OF TANKS Placer Tractor is responsible for removal and disposal of the tanks and all associated piping and pumps from the site. A Certificate of Disposal will be supplied to the owner stating the final disposition of the tanks. All of the tanks will be taken to American Metal Recyclers in Ontario, CA. where they are smashed for scrap metal. Page 2 of 5