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Mountain Coal Company, L.L.C. <br />• Permit No. 95GU508-1 <br />Initial Approval-Modification No. <br />Page 4 <br />13. This source is subject to New Source Performance Standards requirements of Regulation No. 6, <br />Part 60, Subpart Y, Standards of Performance for Coal Preparation Plants, as follows: <br />a. Specific equipment and/or activities subject to NSPS requirements include all coal <br />processing and conveying of coal and coal storage, transfer and loading systems. <br />b. Opacity of emissions from the specific equipment/activities listed in paragraph a., <br />above, shall not exceed 20%. <br />In addition, the following requirements of Regulation No. 6, Part A, Subpart A, General Provisions, <br />apply. <br />a. At all times, including periods of start-up, shutdown, and malfunction, the facility- <br />and control equipment shall, to the extent practicable, be maintained and operated <br />in a manner consistent with good air pollution control practices for minimizing <br />emissions. Determination of whether or not acceptable operating and maintenance <br />procedures are being used will be based on information available to the Division, <br />which may include, but is not limited to, monitoring results, opacity observations, <br />review of operating and maintenance procedures, and inspection of the source. <br />(Reference: Regulation 6, Part A. General Provisions from 40CFR60.11) <br />• b. No article, machine, equipment or process shall be used to conceal an emission <br />which would otherwise constitute a violation of an applicable standard. Such <br />concealment includes, but is not limited to, the use of gaseous diluents to achieve <br />compliance with an opacity standard or with a standard which is based on the <br />concentration of a pollutant in the gases discharged to the atmosphere. (§ 60.12) <br />c. Records of startups, shutdowns, and malfunctions shall be maintained, as required <br />under § 60.7. <br />d. Written notification of opacity observation or monitor demonstrations shall be <br />submitted to the Division as required under § 60.7. <br />e. Compliance with opacity standards shall be demonstrated accordiry~[o § 60.11. <br />By: ~f. 8r..^.,,~ By: ~ <br />Matthew S. Bur ett Dennis .Myers, P.E. <br />Permit Engineer Construction Permits Unit G <br />Stationary Sources Program <br />Air Pollution Control Division <br />Initial Approval: Issued March 10, 1997. Increase in coal production from 4.2 to 8.2 million tons par year. <br />Modification No.1: Name change from Mountain Coal Company-West Elk Mine to Mountain Coal Company, L.L.C. <br />• 051 /0015/011 <br />