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Schmidt Aggregates <br />Permit No. 91 DG258-2P <br />Final Approval Colorado Department of Public Health and Environment <br />Page 2 Air Pollution Control Division <br />This source shall be limited to a maximum production rate as listed below and all other activities, <br />operational rates and numbers of equipment as stated in the application. Compliance with the <br />production rate listed below shall be demonstrated by maintaining annual records of the actual <br />production rate, or by maintaining annual records of the actual hours of operation, and then <br />multiplying the annual hours of operation by the design rate (in tons per hour) of the equipment. <br />Annual records of either the actual production rate or actual hours of operation shall be maintained by <br />the applicant and made available to the Division for inspection upon request. (Reference: Regulation <br />3, Part B, IILA.4) <br />Screening of aggregate shall not exceed 280,000 tons per year. <br />Each time this equipment is moved to a new location within the State of Colorado the owner or <br />operator shall file a Relocation Notice. Such notice shall be received by the Division at least ten <br />(10) days prior to the change in location. The Relocation Notice shall include a facility emission <br />inventory of all emission units at the site. (Reference: Regulation 3, Part A,II.C.1.f and Part <br />B.IV.E.) <br />6. Spray bars shall be used if material moisture content is insufficient to control particulate <br />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 <br />tons per 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 <br />equipment 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 />8. 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 <br />used at a site with initial crushing capacity of greater than 150 tons per hour (portable sources) or 25 <br />tons per hour (fixed sources) including, but not limited to, the following: <br />a. 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, <br />apply. <br />a. 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 <br />consistent with good air pollution control practices for minimizing emissions. Determination <br />of whether or not acceptable operating and maintenance procedures are being used will be <br />based on information available to the Division, which may include, but is not limited to, <br />monitoring results, opacity observations, review of operating and maintenance procedures, <br />and inspection of the source. (Reference: Regulation 6, Part A. General Provisions from <br />40CFR60.11) <br />b. No article, machine, equipment or process shall be used to conceal an emission, which <br />would otherwise constitute a violation of an applicable standard. Such concealment inGudes, <br />but is not limited to, the use of gaseous diluents to achieve compliance with an opacity <br />777/0204/001 <br />