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,. 2. Container Deliveries <br /> a. Bag and drum chemicals on pallets are unloaded from <br /> trucks at the storage shed by forklifts. <br /> b. SPCC Plan <br /> Dry chemicals from broken bags should be shoveled into <br /> empty drums and either recycled or transported to a <br /> Class 1 disposal site. <br /> E. Chemical Piping <br /> 1. Type <br /> All chemical transfer piping is Schedule 40 or heavier steel <br /> pipe with screwed or flanged fittings. <br /> 2. Locations <br /> Some pipe is housed in underground concrete pipe troughs; <br /> some is direct buried. <br /> 3. Inspection and Maintenance <br /> According to plant personnel, exposed and underground piping <br /> is routinely inspected. If any leaks are detected, the <br /> length of defective piping is replaced; no patches are made. <br /> 4. SPCC Plan <br /> Random sections of underground pipe should be routinely ex- <br /> posed every 6 months by shovel, and any rusted or damaged <br /> pipe replaced with new pipe. <br /> A monthly inspection of all exposed pipe fittings and valves <br /> should also be conducted. <br /> If any leaks are found, all spilled materials and contaminated <br /> soil shall be shoveled into empty barrels and transported to <br /> a Class 1 disposal site. <br /> III. Storm Water Containment Plan <br /> A. Perimeter Dike System <br /> 1. 1'± high dike and 1'± deep inner moat surround most of the <br /> site. Remainder of site generally slopes toward interior. <br /> (see Exhibit 1) <br /> 2. Therefore site drainage, contaminated by contact with treated <br /> wood products, is retained within property boundaries. <br /> x-30 <br />