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design as specified in Steel Tank Institute (STI) Standard SP001-3. Documentation and a <br />schedule for integrity testing are provided in Table 7 in Appendix B. <br />All logs and documentation of fuel unloading procedures are maintained by the person <br />responsible for spill prevention. These records, as well as records of all inspections, will <br />be kept with the Plan and maintained for at least 3 years from the time of inspection. <br />(7) There are no steam-system internal heating coils at the facility. <br />(8) The overfill prevention methods employed for each vessel are described in Section 3.0. <br />(9) There are no effluent treatment facilities. <br />(10) All visible discharges of oil are promptly corrected in accordance with Sections 4.4 and <br />4.5 of this Plan. Accumulated precipitation that could prevent the berms from containing <br />the volume of the largest tank is removed in accordance with Section 6.2 of this SPCC <br />Plan. In addition, diked areas are visually inspected after abnormally heavy rainfall <br />events. <br />(11) The portable oil storage containers at these facilities are 55 gallon drums, mobile air <br />compressors, and mobile generators. All drums are stored in covered areas on spill <br />containment units. While not in use, the fuel reservoirs of mobile equipment are emptied <br />before the equipment is stored. While in use, any leaks from mobile equipment will be <br />addressed by spill kits at the location. <br />6.4 Facility Transfer Operations [40 CFR II2.8 (d)] <br />1) There are no sections of aboveground piping at these facilities. In the event that piping is <br />installed, the following procedures will be followed. <br />2) If a section of buried oil-containing line is exposed for any reason, it is inspected for <br />deterioration. If corrosion damage is found, appropriate corrective action is taken. <br />Integrity testing is conducted if buried piping is installed, modified, constructed, <br />relocated or replaced. <br />3) If piping is removed from service or is in standby service for an extended period of time, <br />it is blank-flanged and marked at the terminal connection or transfer point. <br />4) Piping supports are adequate to minimize abrasion and corrosion, and to allow for <br />expansion and contraction. <br />5) All aboveground pipes, valves, and appurtenances are inspected as a part of the monthly <br />and annual visual inspection program described in Section 6.3(6). The inspections <br />include an assessment of the general condition of flange joints, expansion joints, valve <br />glands and bodies, catch pans, pipeline supports, locking of valves, and metal surfaces. <br />Records of these inspections are kept for a period of three years. <br />6) There are no sections of aboveground piping at these facilities. <br />27 SPCC Plan <br />Denison Mines (USA) Corp. <br />Sunday Mines December 2007 <br />'0 <br />• <br />a