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PARTI Page No. 18 Pemtit No.: CO-0000132 b All stomawater discharges to state waters associated with mining activities have ceased and the CDMG performance bond has been released; d) The Division finds that the permittee has shown reasonable grounds consistent with the Federal and State statutes and regulations for such teraunation; and e) Fee requirements of Section 61.15 of the State Dischazge Permit System Regulations have been met. Continued coverage maybe required after reclamation or remediafion has been completed if the Division has shown or has reason to suspect that the stormwater discharge may contribute to a violation of a water quality standazd. 9. Stormwater Definitions i) Best management practices (BMPs): schedules of activities, prohibitions ofpractices, maintenance procedures, and other management practices to prevent or reduce the pollution of waters of the State. BMPs also include treatment, operating procedures, and practices to control site mnoff, spillage or leaks, waste disposal, or drainage from material storage. BMPs include structural and nonstructural controls. ii) Operator: the individual who has day-to-day supervision and control of activities occumng at the mine site. iii) Remediation, as used in this permit, means actions taken to reduce or eliminate the overall adverse environmental impact associated with a pollutant source. The term includes actions such as re-routing of surface flows, re-location or a pollutant source, the addition of pollutant neutralizing or immobilizing substances, capping and re-vegetation. iv) Significant Materials include but aze not limited to: raw materials; fuels; materials such as metallic products; hazardous substances designated under section 101(14) of CERCLA; fertilizers; pesticides; and waste products such as ashes, slag and sludge that have the potential to be released with stormwater dischazge, ~i _ GFIVFRAi MONITORING, SAMPLING AND REPORTING REQUIREMENTS 1. Routine Reporting of Data Reporting of the data gathered in compliance with Part LB.1 shall be on a monthly basis. Reporting of all data gathered shall comply with the requirements of Part LE. (General Requirements). Monitoring results shall be summarized for each month and reported on Division approved discharge monitoring report (DMR) forms (EPA form 3320-1). The forms shall be mailed to the agencies listed below so they aze received no later than the 28th day of the following month. If no dischazge occurs during the reporting period, "No Dischazge" shall be reported. The DMR forms consist of four pages -the top "original" copy, and three attached no-carbon-required copies. After the DMR form has been filled out and signed, the four copies must be sepazated and distnbuted as follows: The fast original signed copy of each DMR shall be submitted to the Division at the following address: Colorado Department of Public Health and Environment Water Quality Control Division WQCD-P-B2 4300 Cherry Creek Drive South Denver, CO 80246-1530 Additional copies aze for the peratittee records. The Discharge Monitoring Report forms shall be filled out accurately and completely in accordance with requirements of this permit and the instmctions on the forms. They shall be signed by an authorized person as identified in Part I.E.6. Calculations for all limitations which require the averaging of measurements shall utilize an arithmetic mean unless otherwise specified by the Division in the permit 2. Rearesentative Samplintt Samples and measurements taken as required herein shall be representafive of the volume and nature of the monitored dischazge. All samples shall be taken at the monitoring points specified in this permit and, unless otherwise specified, before the effluent joins or is diluted by any other wastestream, body of water, or substance. Monitoring points shall not be changed without notification to and approval by the Division. Revised 03/22/04