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Cross-Caribou Mine(M1977-410) Technical Revision No.6 <br /> Potential Event Volume Released Spill Rate <br /> Complete failure of a full tank* gallons instantaneous <br /> Partial failure of a full tank* 1 to gallons gradual to instantaneous <br /> Tank overflow** 1 to_gallons up to_gallons per minute <br /> Leaking during unloading*** up to gallons up to_gallons per minute <br /> Pipe failure**** up to gallons up to_gallons per minute <br /> Leaking pipe or valve**** several ounces to gallons up to_gallons per minute <br /> Fueling operations**** several ounces to gallons up to_gallons per minute <br /> Oil and grease several ounces to quarts spotting <br /> * Volume of largest tank <br /> ** Calculate using the rate at which fuel is dispensed from the delivery truck into your tank(s). <br /> *** Calculate using the rate at which petroleum would be withdrawn from the tank if it should have to be <br /> emptied(e.g., if it were being taken out of service). <br /> **** Calculate based on the specifications of your equipment. <br /> VI. SPILL PREVENTION AND CONTROL <br /> a. Spill Prevention: <br /> Provide specific descriptions of containment facilities and practices. Include description of items <br /> such as double-walled tanks, containment berms, emergency shut-offs, drip pans,fueling <br /> procedures and spill response kits. Also, describe how and when employees are trained in <br /> proper handling procedures and spill prevention and response procedures. <br /> b. Spill discharge and flow: <br /> For each potential spill source, describe where petroleum would flow in the event of a spill. For <br /> example, "The 6,000 gallon diesel tank has a pre-manufactured secondary containment system <br /> capable of holding 110 percent of the total volume of the tank" and, "A spill from engine repair <br /> would be contained inside the shop building and quickly cleaned up with oil absorbents." <br /> Incorporate site map by reference (see instructions under Appendices). <br /> c. Spill response: <br /> Identify what equipment would be deployed by whom and in what situation. Also, include <br /> phone numbers for response agencies, e.g., U.S. Coast Guard, fire department, spill response <br /> contractors, etc. A copy of your spill response plan may be attached as an appendix to this SPCC <br /> plan in lieu of completing this section. <br /> d. Security <br /> Provide a description of how all containers are protected when the facility is not in operation or <br /> unattended. Include a description of fencing, access control, gates, locks, etc. that prevent <br /> access by unauthorized individuals. <br /> 4 <br />