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Lorencito Coal Company <br />Permit No. 01 LA0642 <br />Initial Approval Colorado Department of Public Health and Environment <br />page 5 Air Pollution Control Division <br />• PARTICULATE EMISSIONS CONTROL PLAN FOR MINING 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 THE <br />AIR QUALITY CONTROL COMMISSION REGULATION N0.1, Section III. D.1 .b. THIS SOURCE IS <br />SUBJECT TO THE FOLLOWING EMISSION 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, <br />the nuisance guidelines shall apply to off-site haul roads. <br />c. Haul Trucks - No off-property transport of visible emissions except that when operating off <br />the property of the owner or operator, the applicable guidelines shall be no off-vehicle <br />transport of visible emissions. <br />Control Measures <br />1. Adequate soil moisture must be maintained in topsoil and overburden to control emissions <br />during removal. Watering shall be implemented if necessary. <br />• 2. Topsoil stockpiles shall be mulched and revegetated within one year. <br />3. Emissions from material handling li.e. removal, loading, and hauling) shall be controlled by <br />watering at all times unless natural moisture is sufficient to control emissions. <br />4. Unpaved haul roads shall be gravelled. <br />5. Unpaved haul roads shall be watered as often as needed to control fugitive particulate <br />emissions. <br />6. Particulate emissions from drilling operations shall be controlled by a bag collector. <br />7. Reclamation works and sequential extraction of material shall be initiated to keep the total <br />disturbed areas et any one time to a minimum. <br />• <br />071 /0071 /002 var. 2/00 <br />