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r~ <br />2.05.6(1) Air Pollution Control Plan <br />The Rockcastle Company applied for and obtained an emission <br />permit from the Colorado Department of Health, Air Pollution Control <br />Division. Permit No. C-11,732(ED) was issued May 18, 1978. <br />Control measures in operation at the Grassy Creek Coal mine <br />include: <br />(1) Maximum speed limits of 30 miles per hour on unimproved <br />roads (all roads within the permit boundary) posted and <br />enforced; <br />(2) Haul roads watered on an as needed basis to reduce dust <br />emissions. <br />r 1 <br />LJ <br />• <br />V-1 <br />