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Permit No. COG-850000 <br />Facility No. COG-850043 <br />Page I c <br />• Sam lin <br />S?milling shall occur at a point after treatment, or after the implementation of any Best Management Practices (BMPs). If BMPs or <br />rent are not implemented, sampling shall occur where the discharge leaves control of the permittee, and prior to entering the <br />_ ..ving stream or prior to discharge to land. Samples must be representative of what is entering the receiving stream. <br />Monitorin and Re ortin <br />Discharge Monitoring Reports (I)MR) must be submitted monthly as long as the certification is in effect. 'I'he permittee shall provide <br />the Division with any additional monitoring data on the permitted discharge collected for entities other than the Division. This will be <br />supplied to the Division within 48 hours of the receipt of the data by the pernuttee. <br />Best Management Practices <br />The pernuttee shall implement and maintain the Best Management Practices (BMP} for the prevention of erosion and the control of <br />solid and.liquid pollutants due to the discharge. BMPs include various options, such as: modification of the pipe discharge structure to <br />disperse flows; containment of water by hay bales or other comparable structures; the use of geocloth, filter fabric, or plastic sheeting <br />for protection of containment structures; rip-xap; and/or any other approved methods. <br />The General Permit for Coal Mining is attached and the permittee should review this permit for fanuliarity with all of the pemut <br />requirements. If the permittee has questions related to this certification that cannot be.answered by a review of the permit, the permit <br />writer should be contacted. <br />Andrew J. Neuhart <br />303-692-3655 <br />06/24/08 <br />• <br />• <br />