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<br />Air Quality <br /> <br />The Minnesota Pollution Control Agency regulates crushing and screening operations <br />at the site. The processing equipment is in compliance with the opacity requirements of <br />the New Source Performance Standards and is permitted under the Aggregate General <br />Permit. The general permit provides fleXIbility for using different processing <br />configurations and various pieces of equipment~ depending on the type of product being <br />produced. It outlines production requirements~ including record keeping~ employee <br />training~ noncompliance prevention, and fugitive dust abatement and control measures <br />that must be maintained for compliance with the permit. Records of daily~ monthly and <br />year-to-date production information is available for inspection. Water is used to <br />supplement moisture for control offugitive emissions. Water for dust suppression at this <br />operation will be obtained from an on-site source. <br /> <br />13 <br />