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Colorado Department of Public Health and Environment <br /> Air Pollution Control Division <br /> A&S Construction Co. <br /> Permit No. 01 P00032 <br /> Issuance 3 <br /> PARTICULATE EMISSIONS CONTROL PLAN FOR MATERIAL PROCESSING ACTIVITIES <br /> THE FOLLOWING PARTICULATE EMISSIONS CONTROL MEASURES SHALL BE USED FOR <br /> COMPLIANCE PURPOSES ON THE ACTIVITIES COVERED BY THIS PERMIT, AS REQUIRED BY <br /> THE AIR QUALITY CONTROL COMMISSION REGULATION NO.1, Section III.D.1.b. THIS SOURCE IS <br /> SUBJECT TO THE FOLLOWING EMISSION GUIDELINES: <br /> a. Processing Activities - Visible emissions not to exceed 20%, no off-property transport of visible <br /> emissions. <br /> b. Haul Roads - No off-property transport of visible emissions shall apply to on-site haul roads, the <br /> nuisance guidelines shall apply to off-site haul roads. <br /> c. Haul Trucks - There shall be no off-property transport of visible emissions from hauls trucks <br /> when operating on the property of the owner or operator. There shall be no off-vehicle transport <br /> of visible emissions from the material in the haul trucks when operating off of the property of the <br /> owner or operator. <br /> CONTROL MEASURES <br /> 1. Material stockpiles shall be watered as necessary to control fugitive particulate emissions. <br /> Aggregate materials shall be sprayed with water during material loading into the storage bins or <br /> stockpiles. <br /> 2. Plant entryway, truck service roads, and asphalt production areas shall be paved or graveled. <br /> Watering shall be implemented as needed. <br /> 3. Vehicle speed on haul roads and service roads shall be restricted to 10 miles per hour. Speed <br /> limit signs shall be posted. <br /> AIRS ID: 777/1674/001 Page 12 of 12 <br />