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PARTI Page No. 9 Permit No.: CO-0044776 • d. Influent Monitorine Influent Parameter ~ Frequencv ~ ~ ~ ~ -Sample Tvoe Flow, MGD Continuous Recorder BODs, mg/1 Monthly Composite TSS, mgll Monthly Composite Self-monitoring sampling by the permittee for compliance with the monitoring requirements specified above shall be performed prior to entering Pond B for Outfa11004. If the permittee, using the approved analytical methods, monitors any pazame[er more frequently than required by this permit, [hen the results of such monitoring shall be included in the calculation and reporting of the values required in the Dischazge Monitoring Report Form (DMRs) or other forms as required by the Division. Such increased frequency shall also be indicated. e. Oil and Grease Monitorine For every outfall with oil and grease monitoring, in the event an oil sheen or floating oil is observed, a grab sample shall be collected, analyzed, and reported on [he appropriate DMR. In addition, corrective action shall be taken immediately to mitigate the discharge of oil and grease. A description of the corrective action taken should be included with the DMR. 2. Salinity Parameters In order [o obtain an indication of the quantity of Salinity, measured as total dissolved solids (TDS), being discharged from the site the permittee shall monitor the wastewater effluent at the following frequencies: Outfall Frequencv Samole Tvoe 001, 002, 003, 004, 005, 006, 007, 008 Quarterly Grab Self-monitoring samples taken in compliance with the monitoring requirements specified above shall be taken at those locations listed in Part I.B.1. Where, based on a minunum of 5 samples, the pemuttee demonstrates to the satisfaction of the Division that the level of total dissolved solids (TDS) in the effluent can be calculated based upon the level of electrical conductivity, the pemtittee may measure and report TDS in terms of electrical conductivity. 3. Special Monitorine a. Twelve Time Analysis - Outfall 006 In order to determine the quality of water dischazged at this facility, the pernvttee is required to perform a twelve time analysis for the following parameters at outfall 006. The fast sampling shall occur during the first month after the permit becomes effective, or when discharge commences, and sampling shall continue for the next eleven consecutive months. If no discharge occurs during [he month, sampling shall resume when discharge resumes and continue until twelve samples have been collected and analyzed using approved methods with method detection limits as low or lower than those specified in Part I.E.3. of the permit. A summary report in the form of a letter shall be submitted to the Permits Unit by October 31, 2005. This report shall include all individual sample results collected over the twelve month period. If sampling is incomplete because no discharge occurred during part or all of the period, this shall be noted in the report. If sampling has not yet been completed by this date, this twelve time analysis requirement shall continue until twelve samples have been collected and analyzed and the results have been submitted to the Permits Unit. ~e Part I.C. for Definitions.