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• generated from the mine facilities complex flows to a main tine, which ties into the Craig Station sewer <br />system. Trapper does not wash or otherwise process the coal, and therefore produces no coal wastes. <br />In the future, some coal crushing and screening may occur. Any 'coal wastes' at the project would result <br />from stockpile bases (waste material a[ the bottom of an abandoned coal stockpile) and be disposed of <br />in the pits upon depletion of the stockpiles. <br />Wastes generated at Trapper Mine are placed and stored in a controlled manner in the mine facilities <br />complex. Surface runoff from the waste storage area near the shop drains into the industrial waste <br />pond, preventing degradation of surtace and ground waters. Final reclamation of these areas is dis- <br />cussed in Section 4.2. The facilities discussed in this section are shown on the Map M13 series and in <br />Figure 4.3-1. None of these facilities, with the exception of underground or surface storage tanks, are <br />scheduled for removal until the coal reserves are exhausted. The removal will be in accordance with the <br />procedures set forth in Section 3.1.7. <br />In 1987, Trapper initiated a reduction in petroleum product storage facilities and began revising our <br />SPCC Plan. Two above-ground tank (AGT) sites and two underground storage tanks (UST) for small <br />vehicle gasoline were removed. A single AGT replaced the gasoline UST. <br />In 1990, two more diesel AGT were removed from Trapper and three waste oil UST were replaced by a <br />single 20,000 gallon surtace tank. The SPCC plan was revised accordingly. Any additional removals will <br />• be in accordance with [he procedures set forth in Section 3.1.7. <br />4.3.2.1 Solid Wastes <br />Solid wastes generated at Trapper Mine include scrap lumber, scrap concrete, tires, scrap iron, office <br />waste, empty barrels, drained oil filters, waste rags, and other common wastes that can be expected at a <br />mining operation. The scrap iron, including old mining equipment, is salvaged and sold to local scrap <br />dealers. The scrap lumber is generated mainly at the carpenter shop and consists primarily of small <br />pieces. Only tires that have excessive damage are disposed of in the pits. All other worn tires are <br />returned to the manufacturer for retreading. The office trash consists of approximately one full trash <br />dumpster every three to six days. This trash is mossy paper products with small amounts of plastics. <br />Some waste rags are used to clean off excess petroleum based products. The excess petroleum based <br />product from the rags is scraped off as thoroughly as practical into a barrel for recycling and the rag is <br />disposed of as a solid waste. <br />PR-3 __ <br />4.14 I~'~ ~=tEVISION APPROVE <br />I ~ pF~TE -' '' <br />