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• CYPRUS YAMPA VALLEY COAL CORPORATION <br />Permit No. 92RO293F <br />Initial Approval <br />Page 3 <br />PARTICULATE EMISSIONS CONTROL PLAN <br />THE FOLLOWING PARTICULATE EMISSIONS CONTROL MEASURES SHALL BE USED FOR ENFORCEMENT <br />PURPOSES ON THE SOURCES COVERED BY THIS PERMIT, AS REQUIRED BY THE AIR QUALITY <br />CONTROL COMMISSION REGULATION N0.1. THIS SOURCE IS SUBJECTTO THE FOLLOWING EMISSION <br />GUIDELINES: <br />a. Mining 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 - No off-property transpott of visible emissions except that when operating off the <br />property of the owner or operator, the applicable guidelines shall be no off-vehicle transport of <br />visible emissions. <br />• Control Measures <br />1. Emissions from material handling (i.e. removal, loading, and hauling) shall be controlled by watering <br />at all times unless natural moisture is sufficient to control emissions. <br />2. Vehicle speed on unpaved roads and disturbed areas shall not exceed a maximum of 20 m.p.h. <br />Speed limit signs shall be posted. <br />3. Unpaved haul roads shall be treated with chemical dust suppressant and shall be watered as often <br />as needed to control fugitive particulate emissions. <br />1920/9/8 <br />