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Somerset Mining Company • SPCC Plan Page 2 3. Transformer Oil 3.1 All transformers and components shall be checked for leaks, damage, or unusual conditions during regular maintenance activities. Any leaks or other damage shall be reported to the Surface Superintendent or Mine Manager who shall insure that any necessary repairs are completed as soon as possible. 3.2 Oil sampling spouts on transformers shall be checked regularly for loose fittings or oil leaks. 4. Polychlorinated Biphenyls (PCB) 4.1 All in-service transformers and capacitors shall be inspected quarterly for leaks, damage, or unusual conditions. Any leaks or other damage shall be reported to the Surface Superintendent or Mine Manager who shall insure that any necessary repairs are completed as soon as possible. 4.2 Any leak or damaged area shall be repaired immediately. 9.3 The Environmental Coordinator shall be notified when any PCB unit is removed from service. 4.4 All out-of-service transformers and capacitors shall be moved • to a designated PCB storage area as soon as possible. 4.5 Care shall be exercised when moving any PCB equipment to avoid damaging the unit or spilling any material. 4.6 All personnel involved in handling PCB shall be familiar with safe operating procedures for handling PCB. 4.7 Absorbent materials and tools shall be readily available for emergency use. 5. Chlorine 5.1 The Chlorine used at Somerset Mine ie a gas and cannot be spilled into a waterway. Caution should be used when handling Chlorine because of the danger to human health. SPILL CONTAINMENT 1. General 1.1 Containment structures shall be provided at all locations where failure of the vessel could potentially result in the discharge of oils or other hazardous materials into the navigable waters of the United States. Enclosed is drawing 5- 035 which shows that any spills at the site would be contained • by a series of ditches and berms and diverted into Pond A or Pond B.