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,-,. <br />� <br />Attachment C <br />9050 JEFFERSON TRAIL WEST/ INVER GROVE HEIGHTS, MN 55077 / PHONE (651) 686-7001 / FAX (651 j 687-9857 <br />May 8, 2009 <br />Pat Trudgeon <br />Community Development Director <br />City of Roseville <br />2660 Civic Center Drive <br />Roseville, MN 55113 <br />Dear Mr. Trudgeon: <br />Last Wednesday when the Roseville Planning Commission was considering the request <br />of Bituminous Roadways for conditional use approval to allow the outside storage of <br />aggregate materials and heavy equipment at 2280 Walnut Street there were some <br />questions that arose regarding the air emissions, noise, and odor that will be generated <br />by the proposed asphalt plant on the site. I would like to address these concerns. <br />The asphalt plant will be a brand new manufactured plant utilizing the latest emission <br />-- control technology available which allows the plant to meet and exceed air quality re- <br />quirements. <br />Air Emissions <br />The owner or operator of an asphalt plant must calculate each year the actual <br />emission for the plant and ensure that all emissions remain less than or equal <br />to the thresholds listed in the table below. <br />HAP 5 tons/year for a single HAP <br />12.5 tons/year total for all HAPs <br />PM 50 tons/year <br />PM,o 50 tons/year for an Attainment A <br />25 tons/year for a Nonattainment <br />VOC 50 tons/year <br />S02 50 tons/year <br />NOx 50 tons/year <br />Pb 0.5 tons/year <br />Asphalt plants are required to submit an annual air emissions inventory that <br />address each of the criteria air pollutants listed above. This inventory report <br />is required to be submitted to the Minnesota Pollution Control Agency by no <br />^ later than March 1S` of the following year. Emissions calculated are for the <br />Affirmative Action Employer / Contractor Page I of 3 <br />