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Henderson Mine SPCC/MCP May 1999 <br />Overhead pipes aze marked by "Low Clearance" signs to prevent pipeline dam,ige from <br />oversize vehicles. <br />Out-of-service pipelines aze removed from service in one of the following methods. <br />Those pipelines connected to a drain are either removed or the drain is groutecl and the <br />pipeline filled, Out-of-service pipelines having no drain connections aze allowed to purge <br />and left in place. <br />4.7 Control of Drainage <br />Surface drainage patterns of concern for predicting where a spilled material could report <br />aze provided in Appendix A. The drainage system at Henderson Mine consists of floor <br />drains, sumps and oil water sepazators that aze connected to the industrial water treatment <br />system. Secondary containment is designed to contain stormwater as well as releases <br />from tanks or containers. <br />At the Urad Water Treatment Plant and Old Mil] Building the drainage system consists of <br />floor sumps that either report to the treatment ponds or aze pumped back to the treatment <br />circuit. The azea sun•ounding these facilities drains to the treatment pond system thus <br />providing secondary containment for any spills. <br />5.0 SPILL CONTROL, SPILL RESPONSE, AND REPORTING PROCED1lJRES <br />Obviously, preventing a spill is the main goal of any SPCC/MCP, but in an accidental <br />situation where a spill does occur, there are several procedures that must be followed as <br />outlined in the following sections. <br />5.1 What Constitutes a Spill? <br />And amount of petroleum products or hazardous substances that could directly <br />enter Butler Gulch, Clear Creek, Woods Creek, the mine shop drainage systems or <br />the sewer systems is a spill and must be reported to the Environmental Coordinator <br />(extension 1287) or the Environmental Affairs Manager (extension 139 i~. Any <br />petroleum product or hazardous substance that spills on the ground or other <br />surface area must be likewise reported. <br />Substances that can be spilled include diesel fuel, gasoline, rock-drill oil, antifreeze, <br />sodium hydroxide (caustic soda), transformer coolant (PCB), mine water, and others. If <br />an employee is confronted by what appeazs to be a spilled substance, DO NOT USE <br />YOUR OWN JUDGEMENT. When in doubt contact the Environmental Coordinator <br />(extension 1287) or the Environmental Affairs Manager (extension 1397). Any <br />substance, with the exception of clean, untreated water, is a potential pollutant az.~d should <br />be reported. <br />9 <br />