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PART I Page if of 19 Permit No. CO-0032115 B. MONITORING REQUIREMENTS In addition, the permittee will be required to submit all data collected for the past year on the seep flow volumes at 005 and 011 (to be submitted with the first Discharge Monitoring Report due after the permit effective date), sad then on an oa-going basis to be submitted as a separate attachment with their DMRa. 3. Reporting of Data Reporting of the data gathered in compliance with Part I.B.1 shall be on a quarterly basis. Monitoring results obtained during the previous 3 months shall be summarized and reported on Division approved discharge monitoring report (DMR) forma, postmarked na later than the 28th day of the month following the completed calendar quarter. For example, for the 1st quarter (January, February, and March) the quarterly report must be received at this office postmarked ao later than April 28. If no discharge occurs during the reporting period, "No Discharge" shall be reported. Duplicate signed copies of the above report forma shall be submitted to the following addresses: Colorado Department of Health Water Quality Control Division 4210 East 11th Avenue Denver, Colorado 80220 Attention: Permits and Enforcement U.S. Environmental Protection Agency Deaver Place 999 18th Street, Suite 500 Denver, CO 80202-2405 Attention: Water Management Division Compliance Branch 8WM-C 4. Storm Exemption - 001, 008, 010, 012, 013, 014 If the permittee intends to use the 10-year, 24-hour storm exemption, a report must be submitted within 90 days after the effective date of this permit, documenting that the facility is designed, constructed and will be maiata~,ned to contain or treat: (a) The maximum volume of wastewater which would be generated by the facility during a 24-hour period without an increase is volume from precipitation; and (b) The maximum volume of wastewater resulting from a 10-year, 24-hour precipitation event, including the volume which would result from all areas contributing runoff to [he individual treatment facility (i.e., all runoff not diverted from the active mining area or the mill area).