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<br />air quality standards in the vicinity of Mine 1 and Tipple 3. <br />Additional control measures implemented by Energy Fuels have <br />brought these sources into compliance as indicated. A de- <br />scription of the control measures added by Energy Fuels and <br />their resultant parameters as used in the air quality study <br />are presented below. <br />The use of Coherex, or other dust suppressant of comparable <br />effectiveness, to control road duet around Miae 1 would be <br />expanded to achieve an average of 85~ control efficiency <br />for haul roads. This control program would supplant the <br />existing use of Coherex and watering. <br />At Tipple 3, an expanded water spray system with antifreeze <br />added during winter months would be used to spray raw and <br />processed coal at all times, 12 months a year. In addition <br />to spraying the raw coal at the receiving bin, spray points <br />would be added before the primary crusher and secondary <br />crusher/screening station and at the transfer station be- <br />tween the stockpile and load-out bin. It is assumed that <br />the watering system will provide a 50~ control efficiency <br />throughout the year on emissions from receiving, crushing, <br />screening, transfer and conveying at Tipple 3. <br />Tables 9-19 indicate the average daily and worse case daily <br />emission rates for all phases and areas of Energy Fuel's <br />mining operation. As indicated in the preceeding paragraphs <br />and as confirmed by Energy Fuels (personal communications, <br />10/14/78) the Energy Fuels operation is in compliance with <br />78 <br />