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<br />• PART / <br />Page vii <br />Permit No, CO-0038024 <br />B. MONITORING REQUIREMENTS <br />1. Frequencv and Sample Tvoe (continued) <br />(d) Outfall 045 (Effluent from Domestic WWTFI <br />Effluent Parameter Measurement Frequency <br />Flow, MGD <br />BODs, mg/P <br />Total Suspended Solids, mg/P <br />(e) Influent to Domestic WWTF <br />Influent Parameter <br />BODS, mg/P <br />Total Suspended Solids, mg/P <br />Weekly <br />Monthly <br />Monthly <br />Measurement Frequencv <br />Monthly <br />Monthly <br />Sample Tvpe <br />Instantaneous <br />or Continuous <br />Grab <br />Grab <br />Sentolr TrRe <br />Grab <br />Grab <br />Sampling by the pertnittee for compliance with the monitoring requirements specified above shell be performed et the <br />following locations: outfalls 001, 002, 003, 004, 005, 006, 008, 009, 023, 024, 025, 026. 028 and 029, as shown to <br />Figures 2 and 3, domestic WWTF effluent samples shall be collected after chlorine contact and prior to entznn_• the <br />industrial ponds, domestic WWTF influent samples shall be wllected prior to entering the brit treatment unit. <br />If the permi[[ee, using [he approved analytical methods, monitors any parameter more frequently than reywrcd by this <br />permit, then [he result-c of such monitoring shall be included in the calculation and repornng u( the velue. royuitcd un <br />the Discharge Monitoring Report Form or other forms regwred by the Division. Such increased tieyuency shall also hr <br />indicated. <br />(~ Oil and Grease Monitorin¢ <br />For every outfall with oil and grease monitoring, in the event an oil sheen or floating oil is observed, a grab sample <br />shall be collected, analyzed, and reported on [be appropriate DMR. In addition, corrective action shall be taken <br />immediately to mitigate the discharge of oil and grease. A description of the corrective action taken should be <br />included with the DMR. <br />2. ReootYine of Data <br />Reporting of the data gathered in compliance with Part LB.1 shall be on a monthly bests. Monitoring results shall he <br />summarized for month and reported on Diviston approved discharge monitoring report (DMR) forms (EPA tircm 332U- <br />1). The forms shall be trailed to the agencies listed below so they are received no later than the 28th day of the <br />following month. if no discharge occurs during the reporting period, "No Discharge" shall be reported. <br />The DMR fotms consist of four pages -the top "original' copy, and three attached no-carbon-required copies. After the <br />DMR form has been filled out and signed, the four copies must be separated and distributed as follows: <br />The first on final signed copy of each discharge monitoring report (DMR) shall be submitted to the Diviston at the <br />following address: <br />Colorado Department of Public Health and Environment <br />WQCD-PE-B2 <br />4300 Cherry Creek Drive South <br />Denver. Colorado 80222-1530 <br />Amendment No. 1 Issued <br />Effective <br />