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RULE 2 - PERMITS <br />2.05.4(2)(f) Measures for Handling and Disposal of Acid - Forming, Toxic - Producing, or <br />• Flammable Materials <br />No acid - forming or toxic - forming materials exist within the overburden, soil, or Wadge coal seam <br />to be mined at levels which could adversely affect the reclamation activities presented in this permit <br />application. Historically, all overburden above the Wadge coal seam at the Seneca II Mine has <br />proven suitable for plant growth. A detailed description of the chemical characteristics of all of <br />these materials is presented under Sections 2.04.6, Geology Description and 2.04.9, Soils Resource <br />Information. <br />All fuel, oil, lubricants, and other potentially hazardous or toxic materials are stored and used in full <br />compliance with applicable regulatory provisions and in accordance with Section 4.11.4, Disposal <br />of Noncoal Waste. Flammable liquids, such as oil and fuel, are protected from spilling into adjacent <br />areas in accordance with PSCM's Spill Prevention Control and Countermeasures plan. In addition, <br />PSCM maintains full compliance with applicable Clean Water Act, SARA, and EPCRA planning <br />and reporting requirements. Any excess waste oil not burned in the waste oil burner and small <br />quantities of spent solvents are collected and temporarily stored in approved tanks or containers in <br />the shop /warehouse area for periodic pickup and disposal by a license waste disposal contractor. <br />All proposed electrical transformers on the site will be non -PCB containing transformers. All <br />garbage is collected in dumpsters and transported offsite by a local contractor. Also, PSCM utilizes <br />a used oil burner to heat the warehouse, which minimizes the amount of used oil removed from the <br />site. <br />• Mobile equipment is provided with portable fire extinguishers. Water lines are provided for fire <br />protection underground. <br />Debris resulting from dismantling and removal of surface structures and facilities during site <br />reclamation activities will generally consist primarily of scrap steel and concrete rubble and will not <br />include acid - forming, toxic - producing, or flammable materials. Demolition debris will either be <br />hauled off -site for salvage or disposal in a licensed landfill or will be used as backfill or buried in <br />place. Any demolition debris used as backfill or buried in place will be covered by a minimum of <br />two feet of suitable non - flammable cover material per Section 4.14.3, Covering Coal and Acid- and <br />Toxic - Forming Materials. <br />To the extent reasonably feasible, PSCM will avoid using potentially hazardous or toxic materials in <br />their ongoing operations. Waste minimization efforts will include use of environmentally friendly <br />solvents and recycling when possible. A waste oil burner will be used in the mine shop facility for <br />heating to dispose of used petroleum products. The remaining petroleum based products will be <br />recycled. Hazardous waste will be disposed of pursuant to applicable state and federal rules. <br />2.05.4(2) Measures for Sealing, Plugging, and Managing Mine Openings and Boreholes <br />Mine portals will be sealed in accordance with applicable provisions of Section 4.07, Sealing of <br />Drilled Holes and Underground Openings, to effectively prevent access to underground mine <br />workings and to prevent mixing of surface and ground water drainage. <br />• The mine portal seals will be constructed as double -row block walls keyed into the roof, floor, and <br />ribs, prior to backfilling. The seals will be placed in competent ground, a minimum of 30 feet from <br />PSCM Permit App. 2.05 -58 Revision 12/17/09 <br />