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Page 2 <br />Colorado Department of Public Health and Environment <br />Air Pollution Control Division <br />Schmidt Aggregates <br />Permit No. 05PO0290 <br />FINAL APPROVAL <br />units at the site. (Reference: Regulation 3, Part A,II.C.1.f and Part B.III.E.) <br />6. Spray bars shall be used if material moisture content is insufficient to control particulate emissions. <br />A revised Air Pollutant Emission Notice (APEN) shall be filed: (Reference: Reg. 3, Part A.II.C) <br />a. Annually whenever a significant increase in emissions occurs as follows: <br />For any criteria pollutant: <br />For sources emitting less than 100 tons per year, a change in actual emissions of five tons per <br />year or more, above the level reported on the last APEN; or <br />b. Whenever there is a change in the owner or operator of any facility, process, or activity; or <br />c. Whenever new control equipment is installed, or whenever a different type of control equipment <br />replaces an existing type of control equipment; or <br />d. Whenever a permit limitation must be modified; or <br />e. No later than 30 days before the existing APEN expires. <br />This source is subject to the New Source Performance Standards requirements of Regulation No. 6, <br />Part A, Subpart 000, Standards of Performance for Nonmetallic Mineral Processing Plants, when used <br />at a site with initial crushing capacity of greater than 150 tons per hour (portable sources) or 25 tons per <br />hour (fixed sources) including, but not limited to, the following: <br />Visible emissions from screens and each transfer point shall not exceed ten percent (10%) <br />opacity. <br />In addition, the following requirements of Regulation No. 6, Part A, Subpart A, General Provisions, apply. <br />At all times, including periods of start-up, shutdown, and malfunction, the facility and control <br />equipment shall, to the extent practicable, be maintained and operated in a manner consistent <br />with good air pollution control practices for minimizing emissions. Determination of whether or <br />not acceptable operating and maintenance procedures are being used will be based on <br />information available to the Division, which may include, but is not limited to, monitoring results, <br />opacity observations, review of operating and maintenance procedures, and inspection. of the <br />source. (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 which would <br />otherwise constitute a violation of an applicable standard. Such concealment includes, but is not <br />limited to, the use of gaseous diluents to achieve compliance with an opacity standard orwith a <br />standard which is based on the concentration of a pollutant in the gases discharged to the <br />atmosphere. (g 60.12) <br />c. Written notification of construction and initial startup dates shall be submitted to the Division as <br />required under § 60.7. <br />Records of startups, shutdowns, and malfunctions shall be maintained, as required under § <br />60.7. <br />777/2506/001 ver. 2/00 <br />