2012-10-29_PERMIT FILE - M2012045 (6)

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from contacting the above listed items; or where it does come into contact with any of the above listed items, it will not be discharged from the site. Regardless, a Stormwater Discharge Permit will be obtained from the Water Quality Control Division, Department of Public Health and Environment, State of Colorado. In addition, the Stromwater Management Plan will be in place for the operation. Stonewall Springs Quarry Pit commits to placing overburden stockpiles along the low edge of all the mining phases as a first step in the mining operation. After which earthen dams and excavated cells will control off -site erosion and sedimentation. The Operator /Applicant is committed to control (prevent) erosion and sedimentation from reaching any drainage way. Appropriate methods of erosion and sediment control will be used to include, but not be limited to, sediment traps, riprap, straw bales, earthen berms and various liners. (11) No unauthorized release of pollutants to ground water shall occur from any materials mined, handled or disposed of within the permit area: Given the nature of the material to be mined, no pollutants that could affect ground water will be released from the site due to mining, raw product handling, overburden or topsoil stockpiles. Additionally, concrete and /or asphalt batch plants and a fuel storage facility sufficient for on- site operations will be necessary. Initially, these facilities will likely be located in the northwest and northeast of Nyberg Road region of the proposed permit area, outside the 100 flood plain. Bulk fuel storage and small amounts of lubricants will be stored on site in containers within an earthen berm that will have an approved liner around and below the storage containers. The earthen structure will have a capacity of at least 110% of the storage containers total capacity. This type of structure will be leak resistant and readily cleanable if, in the unlikely event, a spill should occur. The liner will ensure containment of any spilled or leaked petroleum product. In addition, it will be designed in such a way that spills may be easily cleaned -up. Spills may typically be cleaned -up with any combination of sand, or other substances specifically marketed for such use. After a spill is absorbed, and safely removed from the lined facility, it will be transported to the nearest approved disposal facility. In addition, the operator will have a Spill Prevention, Containment and Countermeasure (SPCC) Plan in -place to handle spilled fuel within the permit boundary. 3.1.6 Water - General Requirements: (1) Hydrology and Water Quality: Ground water is discussed in Exhibit "G" — Ground Water Information. As proposed, the mining and reclamation plans will not adversely affect surface water hydrology or surface and ground water quality. As discussed, the Operator /Applicant will implement its Stormwater Management Plan and will obtain a Stormwater Discharge Permit. (a) Compliance with applicable Colorado water laws and regulations governing injury to water rights: Operator will comply with Colorado water laws and regulations governing injury to existing water rights. The Operator /Applicant has already made application with Division of Water Resources, Department of Natural Resources, State of Colorado concerning project water rights. (b) Compliance with applicable federal and Colorado water quality laws and regulations, including statewide water quality standards and site - specific classifications and standards adopted by the Water Quality Control Commission: The Operator will comply with applicable Federal and Colorado water quality laws and regulations, including all the standards adopted by the State Water Quality Control Commission. (Please see items 3.1.5 (10), and (11) above.) There will be no discharge of process water from the site. All ground water pumped from within the confines of the slurry walls and discharge to the Arkansas River will meet receiving water standards.