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PART I Page 11 of 26 Permit No.:C00000003 D. GENERAL MONITORING,SAMPLING AND REPORTING REQUIREMENTS 1. Routine Reporting of Data Reporting of the data gathered in compliance with Part I.A or Part 1.13 shall be on a monthly basis. Reporting of all data gathered shall comply with the requirements of Part I.D.(General Requirements). Monitoring results shall be summarized for each calendar month and reported on Division approved discharge monitoring report(DMR)forms(EPA form 3320-1). The permittee must submit these forms either by mail,or by using the Division's Net-DMR service(when available). If mailed,one form shall be mailed to the Division,as indicated below,so that the DMR is received no later than the 28th day of the following month(for example,the DMR for the first calendar quarter must be received by the Division by April 28th). If no discharge occurs during the reporting period,"No Discharge" shall be reported. The original signed copy of each discharge monitoring report(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,Colorado 80246-1530 The Discharge Monitoring Report forms shall be filled out accurately and completely in accordance with requirements of this permit and the instructions on the forms. They shall be signed by an authorized person as identified in Part I.D.8. 2. ReLlresentative Sam In ine Samples and measurements taken for the respective identified monitoring points as required herein shall be representative of the volume and nature of the monitored discharge. 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. 3. Influent and Effluent Sampling Points Influent(if required)and effluent sampling points shall be so designed or modified so that: 1)a sample of the influent can be obtained after preliminary treatment and prior to primary or biological treatment and 2)a sample of the effluent can be obtained at a point after the final treatment process and prior to discharge to state waters. The permittee shall provide access to the Division to sample at these points. 4. Analytical and Sampling Methods for Monitoring and Reljortin� The permittee shall install,calibrate,use and maintain monitoring methods and equipment, including biological and indicated pollutant monitoring methods. All sampling shall be performed by the permittee according to specified methods in 40 C.F.R. Part 136;methods approved by EPA pursuant to 40 C.F.R.Part 136;or methods approved by the Division,in the absence of a method specified in or approved pursuant to 40 C.F.R.Part 136. Numeric Limits If the permit contains a numeric effluent limit for a parameter,the analytical method and PQL selected for all monitoring conducted in accordance with this permit for that parameter shall be the one that can measure at or below the numeric effluent limit. If all specified analytical methods and corresponding PQLs are greater than the numeric effluent limit,then the analytical method with the lowest PQL shall be used. When the analytical method which complies with the above requirements has a PQL greater than the permit limit, and the permittee's analytical result is less than the PQL(the PQL achieved by the lab),the permittee shall report "BDL"on the DMR. Such reports will not be considered as violations of the permit limit,as long as the PQL obtained is lower or equal to the PQL in the table below. When the analytical method which complies with the above requirements has a PQL that is equal to or less than the permit limitation,and the permittee's analytical result is less than the PQL,"<X"(where X=the actual PQL