Laserfiche WebLink
MESA CQUNTY HERLTH DEP ID~032486972 MAR ~94 ta:~.- rJn.003 P.02 <br />Page 2 <br />MCPD/Mt. Region Corp. <br />2/18/94 <br />Paragraph 9 briefly describes dust control measures to be perfonnad during <br />periods of operation. FSniaision Permit 91ME373F-2 currently details a Fugitive <br />Particulate mniasions Control Plea (enclosed) for the existing gravel mining <br />operation. It should be noted that this permit is in the "Initial approval" <br />stage which allows certain elements to be changed before preoeding to the <br />"Final Approval" stage. A final approval inspection will be oa~leted later <br />this spring after the source resumes activity. <br />Aooordinq to the petitioner, material stockpiles are stabilised with a <br />chemical surfactant while the graveled haul roads are primarily controlled for <br />dust by application of magnesium chloride. Mr. Logue failed to include these <br />details in Paragraph 9 of Pages 6. These dust control methods are considered <br />to be acceptable and can be used instead of frequent (i.e. daily) watering. <br />It should also be noted that the source fs subject to a 20~ opacity limit and <br />no off-property transport of visible emissions as per Regulation No. 1. of the <br />Colorado Air Quality Control Commission Regulations. The screener is subject <br />to the lORr opacity standard required wider New Source Performance Skandards <br />for Nonmmtallio Mineral Prooeaaitlg Plante;. <br />Finally, this Department does not consider the proposed expansion of the <br />mining area to require a separate permit fran 9]ME373F-1,2. The proposed <br />expansion will be reflected in the final approval inspections report to be <br />submitted to the Air Pollution Control Division/Colorado Department of Health. <br />Reviewed by: <br />e:~«a.~~~~e.a <br />~~~-. <br />x-3b <br />