2009-01-13_PERMIT FILE - M2009004

• Permit No: M2009004
• IBM Index Class Name: PERMIT FILE
• Doc Date: 1/13/2009
• Doc Name: New 110c Application
• From: Rocky Mountain Materials & Asphalt, Inc.
• To: DRMS
• Media Type: D
• Archive: No

Colorado Department of Public Health and Environment
Air Pollution Control Division
Rocky Mountain Materials & Asphalt, Inc. - Highway 85 / 87 Facility
Permit No. 06EP 1046
• final Approval --
3. Visible emissions shall not exceed twenty percent (20%) opacity during normal operation
of the source. During periods of startup, process modification, or adjustment of control
equipment visible emissions shall not exceed 30% opacity for more than six minutes in
any sixty consecutive minutes. Opacity shall be measured by EPA Method 9.
(Reference: Regulation No. 1, Section II.A.1. & 4.)
4. The permit number shall be marked on the subject equipment for ease of identification.
(Reference: Regulation No. 3, Part B, Section IILE.) (State only enforceable)
This source is subject to the odor requirements of Regulation No. 2. (State only enforceable)
6. This source. is subject to Regulation No. 6, Part A, Subpart I, Standards of Performance
for Hot Mix Asphalt Facilities, including, but not limited to, the following:
Concentration of particulate matter in the discharge into the atmosphere
shall not be in excess of 0.04 grain per dry standard cubic foot.
b. Discharge into the atmosphere shall not exhibit 20 % opacity, or greater.
In addition, the following requirements of Regulation No. 6, Part A, Subpart A, General
Provisions, apply.
• It. At all times, including periods of start-up, shutdown, and malfunction, the
facility and control equipment shall, to the extent practicable, be maintained
and operated in a manner consistent with good air pollution control practices
for minimizing emissions. Determination of whether or not acceptable
operating and maintenance procedures are being used will be based on
information available to the Division, which may include, but is not limited
to, monitoring results, opacity observations, review of operating and
maintenance procedures, and inspection of" the source. (Reference:
Regulation No. 6, Part A. General Provisions from 40 CFR 60.11
b. No article, machine, equipment or process shall be used to conceal an
emission that would otherwise constitute a violation of an applicable
standard. Such concealment includes, but is not limited to, the use of
gaseous diluents to achieve compliance with an opacity standard or with a
standard that is based on the concentration of a pollutant in the gases
discharged to the atmosphere. (§ 60.12)
C. Records of startups, shutdowns, and malfunctions shall be maintained, as
required under § 60.7.
Compliance with opacity standards shall he demonstrated according to
§ 60.11.
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