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PART I <br />Page 7 of 19 <br />Permit No.: CO -048233 <br />month and reported on Division approved discharge monitoring report (DMR) forms (EPA firm 3320-1). One form shall be <br />mailed to the Water Quality Control Division, as indicated below, so that the DMR is received no later than the 28th day of <br />the following month (for example, the DMR for the first calendar quarter must be received by the Diision by April 28th). If <br />no discharge occurs during the reporting period, "No Discharge" shall be reported. <br />The original signed copy of each discharge monitoring report (DMR) shall be submitted to the Division at the following <br />address: <br />Colorado Department of Public Health and Environment <br />Water Quality Control Division <br />WQCD-P-B2 <br />4300 Cherry Creek Drive South <br />Denver, Colorado 80246-1530 <br />The Discharge Monitoring Report forms shall be filled out accurately and completely in accordance with requirements o$his <br />permit and the instructions on the forms. They shall be signed by an authorized person as identified in Part I.E.6. <br />2. Representative Sampling <br />Samples and measurements taken as required herein shall be representative of the volume and nature of the monitored <br />discharge. All samples shall be taken at the monitoring points specified in this permit and, unless otherwise specified, befire <br />the effluent joins or is diluted by any other wastestream, body of water, or substance. Monitoring points shall not be changed <br />without notification to and approval by the Division. <br />3. Analytical and Sampling Methods for Monitoring <br />The permittee shall install, calibrate; use and maintain monitoring methods, and equipment, including biological and indicated <br />pollutant rdonitoring methods. All. sampling shall be performed by the permittee according to specified methods. in 40 C.F.R. <br />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 <br />method specified in or approved pursuant to 40 C.F.R. Part 136. <br />The analytical method and PQL selected for a parameter shall be the one that can measure compliance with the <br />permit limitation. If all analytical methods and corresponding PQLs are greater than the permit limit, then the <br />analytical method with the lowest PQL shall be used. If the permit contains a monitoring or report only requirement, <br />the analytical method with the lowest PQL shall be used. <br />When the analytical method which complies with the above requirements has a PQL greater than the permit limit, the <br />permittee shall report "BDL" owthe DMR. Such reports will not be considered as violations of the permit limit, as <br />long as the lowest available PQL is used for the analysis. When the analytical method which complies with the above <br />requirements has a PQL that is equal to or less than the permit limitation, "< X" (where X = the actual PQL used) <br />shall be reported on the DMR For parameters that have only a monitoring or report only limitation, "< X" (where X <br />= the actual PQL used) shall be reported on the DMR <br />The present lowest PQLs for specific parameters, as determined by the State Laboratory (November 2008) are provided <br />below for reference. Note that these PQLs are not necessarily the PQLs required to be used in this permit, dependent upon <br />the requirements laid out in bold above. For a listing of the PQLs for organic parameters, please refer to the Division's <br />Practical Quantitation Limitation Guidance Document, July 2008. Future requirements for metals PQLs will be contained in <br />the Division's Practical Quantitation Limitation Guidance Document for Metals. <br />0 <br />