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• and no impacts due to sediment are anficipated. No chemicals will be used in processing, <br />and no impacts to water quality due to chemicals will occur. <br />A Colorado Department of Public Health and Environment C.D.P.H.E. General <br />Permit certification is not expected to be necessary, since the site shall be developed <br />to retain storm water runoff on the affected area. All water will percolate into the <br />ground. <br />(il Colorado Water Law Compliance <br />If needed, water used at the operation will be obtained and truck hauled from sources <br />in the azea that have current Colorado water rights for the use of that water. No injury <br />to existing Colorado water rights will occur. <br />(kl Acid/Toxic Materials <br />No refuse or acidic or toxic materials will be exposed by the operation. No <br />overburden or other waste products will be developed. Chopper fines will be sold <br />and/or used in final reclamation of the pit floor. None of the mined products aze <br />anticipated to cause unsightliness or to pollute the drainage system. <br />(1 Hvdrolopac Balance <br />No surface watercourses are involved at the excavation and processing sites since <br />• the entire quarry is near the top of a gentle ridge on fairly level ground. <br />Incumbent rainfall and snowmelt shall be diverted to a low portion of the quarry <br />and/or to a portion of the worked-out quarry floor for retention and/or percolation. <br />No changes in the hydrologic balance aze anticipated; no off-site damage due to <br />changes in the hydrologic balance is anticipated. Processing azea reclamation will <br />result in stable, non-eroding rangeland, consistent with the proposed future land use. <br />Pit high walls are not anticipated to be a hazazd to livestock or humans. <br />(ml On-Site Processing <br />On-site processing will consist of drilling, cutting, chopping, and stockpiling of mined <br />limestone. Chopping equipment will be portable, will be moved about the quarry <br />floor as quarrying progresses, and removed between periods of processing. No <br />chemicals will be used in the process. Water will not be needed for dust control. <br />(n Primary and Secondary Commodities <br />The commodity to be extracted is a horizontal limestone bed of varying thickness up <br />to 15 feet thick and which outcrops on the site. Much of the limestone will be cut <br />to specific sizes by a rock chopper. Oversize rock that will not fit into the rock chopper <br />will be segregated, sorted, and stockpiled, to be sold in various dimensions for various <br />uses. Rock products aze to be sold offsite on the open market (including Las <br />Animas County) for building rock, retaining walls, general landscaping, and for <br />decorative rock products. <br />• (ol Incidental Products <br />