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Compliance With Applicable Air and Water Quality, Regulations <br />EFCI's ongoing mining and reclamation plans have been designed to effect compliance with <br />applicable air and water quality regulations. Compliance is effected by a variety of control <br />and mitigation measures and is documented by comprehensive monitoring programs. <br />Compliance with applicable Federal, State and local water regulations is a result of design and <br />implementation of the comprehensive drainage and sediment control plan as described in this <br />permit text and detailed by Exhibit 19. Drainage and Sediment Control Plan. Ongoing <br />monitoring programs, and operation under the provisions of NPDES discharge permits <br />(Permit Nos. CO -0036595 and CO -0037109) issued by the Colorado Department of Health <br />are also important components of EFCI's ongoing compliance efforts. Operation under and <br />compliance with the NPDES permits effects compliance with both the Federal Clean Water <br />Act and the Colorado Water Quality Control Act. A detailed discussion of hydrologic control <br />and mitigation measures is presented in Section 2.05.6, Mitigation of Surface Mining <br />Operation Impacts. <br />Compliance with applicable air quality regulations is effected by operational control and <br />mitigation measures and operation under the provisions of air emissions permits issued by the <br />Colorado Department of Health. EFCI does not operate any point source generators, <br />consequently any air emissions are limited to fugitive dust emissions from surface refuse <br />disposal operations, crushing and coal preparation activities, and coal stockpiling and reclaim <br />activities. EFCI has not experienced any significant problems with fugitive dust emissions <br />from any mining or related operations. The primary controlling factor is the significant <br />percentage of surface moisture in coal and refuse materials which limits potential dust <br />emissions. <br />Over the life of the Southfield and previous Dorchester operations, the mine has maintained a <br />record of effective compliance with applicable provisions of existing air quality permits. To <br />date there have been no violations of applicable air quality standards, and ongoing permit <br />compliance under State air emission permits meets the specific requirements of the Federal <br />CleanAir Act and Colorado Air Pollution Control Act. <br />2.05.4-32 Revised 10/28/15 <br />MR -69 <br />