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Inspection Photographs <br />Picture #1: Example Methane Drainage Well (MDW) with associated portable pump. The red cylinder is a <br />water separator, and the pump is located within the trailer. Mine gas is released from the vertical pipe <br />above the trailer. This MDW is located at a different facility, but is the same configuration/operation as <br />was described by MCC- West Elk Mine. <br />Picture #2: Mine gas burners located on ventilation shaft air intakes. This picture shows four (4) burners <br />(4MMBtu/hr each) which heat intake air, as well as one burner located near the ground to remove ice <br />buildup from the housing. There are an additional four (4) burners on the opposite side of the intake (not <br />pictured). <br />2012 Air Pollution Inspection <br />0510015-INSP-2012.docx Page 28 of 30 <br />