2018-08-03_PERMIT FILE - C1981019A ‎(4)‎

• Permit No: C1981019A
• IBM Index Class Name: Permit File
• Doc Date: 8/3/2018
• Section_Exhibit Name: EXHIBIT 15 Permits
• Media Type: D
• Archive: Yes

Colowyo Coal Company, L. P.
Permit No. 95MF1040
Issuance 7
Colorado Department of Public Health and Environment
Air Pollution Control Division
ATTACHMENT B
PARTICULATE EMISSIONS CONTROL PLAN FOR MINING ACTIVITIES
THE FOLLOWING PARTICULATE EMISSIONS CONTROL MEASURES SHALL BE USED FOR
COMPLIANCE PURPOSES ON THE ACTIVITIES COVERED BY THIS PERMIT, AS REQUIRED BY
THE AIR QUALITY CONTROL COMMISSION REGULATION NO.1, Section III.D.1.b. THIS SOURCE IS
SUBJECT TO THE FOLLOWING EMISSION GUIDELINES:
a. Mining Activities - Visible emissions not to exceed 20% opacity, no off -property transport of
visible emissions.
b. Haul Roads - No off -property transport of visible emissions shall apply to on-site haul roads, the
nuisance guidelines shall apply to off-site haul roads.
C. Haul Trucks - There shall be no off -property transport of visible emissions from haul trucks when
operating on the property of the owner or operator. There shall be no off -vehicle transport of
visible emissions from the material in the haul trucks when operating off of the property of the
owner or operator.
Control Measures
1. Adequate soil moisture must be maintained in topsoil and overburden to control emissions during
removal. Watering shall be implemented if necessary.
2. Topsoil stockpiles shall be compacted and revegetated within one year of placement.
3. Emissions from material handling (i.e. removal, loading, and hauling) shall be controlled by watering
at all times unless natural moisture is sufficient to control emissions.
4. Unpaved haul roads shall be treated with chemical stabilizer per manufacturer's recommendations
and watered as often as needed to control fugitive particulate emissions.
5. Reclamation works and sequential extraction of material shall be initiated to keep the total disturbed
areas at any one time to a minimum.
6. Coal stockpiles shall be treated with chemical crusting agents and watered as needed to control
fugitive particulate emissions.
7. Drilling of overburden for blasting, shall employ hoods and water spray units. Coal drilling shall utilize
deflector plates to localize particle distribution around each drill hole.
8. Sequential blasting shall be implemented for particulate reduction. No blasting shall take place when
wind speeds exceed 30 MPH.
AIRS ID: 081/0007 & 103/0327/001 Page 21 of 22