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Part I <br />Page No. 7 <br />Permit No.: CO-0027529 <br />E. GENERAL MONITORING, SAMPLING AND REPORTING REQUIREMENTS <br />1. Routine Reporting of Data (continued) <br />The first duplicate signed copy of each discharge monitoring report (DMR) shall be submitted to the following <br />agency: <br />U.S. Environmental Protection Agency Region VIII <br />Technical Enforcement Program (8ENF-T) <br />Office of Enforcement, Compliance Assistance and Environmental Justice <br />999 18th Street, Suite 300 <br />Denver. CO 80202-2466 <br />The third and fourth copies are for the permittee records. The Discharge Monitoring Report forms shall be filled <br />out accurately and completely in accordance with requirements of [his permit and the instmctions on the forms. <br />They shall be signed by an authorized person as identified in Part I.E.6. <br />Calculations for all limitations which require the averaging of measurements shall utilize an arithmetic mean unless <br />otherwise specified by the Division in the permit. <br />2. Representative Samplin>; <br />Samples and measurements taken as required herein shall be representative of the volume and nature of the <br />monitored discharge. All samples shall be taken at the monitoring points specified in this permit and, unless <br />otherwise specified, before the effluent joins or is diluted by any other wastestream, body of water, or substance. <br />Monitoring points shall not be changed without notification to and approval by the Division. <br />If the permittee monitors at the point of discharge any pollutant limited by the permit more frequently than required <br />by the permit, using approved test procedures or as specified in the permit, the result of this monitoring shall be <br />included in the calculation and reporting of data to the Division. <br />3. Analytical and Samplinl? Methods for Monitorin>; <br />The permittee shall install, calibrate, use and maintain monitoring methods and equipment, including biological and <br />indicated pollutant monitoring methods. All sampling shall be performed by the permittee according to specified <br />methods in 40 C.F.R. Part 136; methods approved by EPA pursuant to 40 C.F.R. Part 136; or methods approved <br />by the Division, in the absence of a method specified in or approved pursuant [0 40 C.F.R. part 136. The <br />analytical method selected for a parameter shall be the one that can measure the lowest defected Iimit for that <br />parameter unless the permit limitation or stream standard for those parameters not limited, is within the <br />testing range of another approved method. When requested in writing, the Division may approve an alternative <br />analytical procedure or any significant modification to an approved procedure. <br />When the most sensitive analytical method which complies with this part, has a detection limit greater than or equal <br />to the permit limit, the permittee shall report "less than (the detectable limit)," as appropriate. Such reports shall not <br />be considered as violations of the permit limit. The present lowest method detection limits for specific parameters <br />(which have limitations which are, in some cases, less than or equal to the detection limit) are as follows: <br />Cadmium 0.0003 mg/1 <br />Copper 0.005 mg/1 <br />Lead 0.005 mg/I <br />Zinc 0.05 mg/I <br />These limits apply to the total recoverable, dissolved, or the potentially dissolved fraction of metals. <br />