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T S <br />Permit No. CO-0032638 <br />Page 8 <br />a. Outfalls 004A and 007A <br />Effluent Parameter <br />Flow, Effluent, MGD <br />Total Suspended Solids (TSS), mg/1 <br />pH, s.u. (minimum-maximum) <br />Oil and Grease, mg/1 <br />Total Dissolved Solids, mg/1 <br />Whole Effluent Toxicity, Chronic Lethality <br />Iron, TR, ug/1 <br />Manganese, PD, ug/1 <br />Settleable Solids, mUl <br />Frequencv Sample Tvpe <br />Weekly Instantaneous or Continuous <br />2 days /month Grab <br />2 days /month Grab <br />2 days /month Visual <br />Quarterly Grab <br />Semi-Annually 3 Grabs/'Test <br />2 days /month Grab <br />2 days /month Grab <br />2 days /month Grab <br />b. Outfalls MONI and MON2 <br />Effluent Parameter <br />Arsenic, Total, ug/l <br />Cadmium, PD, ug/1 <br />Chromium, Trivalent, PD, ug/1 <br />Chromium, Hex, Dis, ug/I <br />Copper, PD, ug/1 <br />Lead, PD, ug/1 <br />Total Mercury, ug/I <br />Nickel, PD, ug/l <br />Selenium, PD, ug/I <br />Silver, PD, ug/1 <br />Zinc, PD, ug/I <br />Frequencv Sample Tvpe <br />Semi-Annually Grab <br />Semi-Annually Grab <br />Semi-Annually Grab <br />Semi-Annually Grab <br />Semi-Annually Grab <br />Semi-Annually Grab <br />Semi-Annually Grab <br />Semi-Annually Grab <br />Semi-Annually Grab <br />Semi-Annually Grab <br />Semi-Annually Grab <br />Self=monitoring sampling by [he permittee for compliance with the monitoring requirements specified above shall be <br />performed at the following locations: Outfalls 004A and MONl- at the Moffat pond outfall prior to entering the <br />immediate receiving water; Outfalls 007A and MON2 - in Koll Ditch #3, prior to entering Trout Creek. <br />See Part LC. for Definitions. <br />If [he pernuttee, using the approved analytical methods, monitors any pazameter more frequently than required by this <br />pemilt, then the results of such monitoring shall be included in the calculation and reporting of the values required in the <br />Discharge Monitoring Report Form (DMRs) or other fom~s as required by the Division. Such increased frequency shal3 <br />also be indicated. <br />c. Oil and Grease Monitorine <br />For every outfall with oil and grease monitoring, in the event an oil sheen or floating oil is observed, a grab sample shall <br />be collected, analyzed, and reported on the appropriate DMR. In addition, corrective action shall be taken immediately <br />to mitigate the discharge of oil and grease. A description of the corrective action taken should be included with the <br />DMR. <br />2. Salinity Parameters <br />In order to obtain an indication of the quantity of salinity, measured as total dissolved solids (TDS), being discharged from <br />the site the pemdttee shall monitor [he wastewater effluent at the following frequencies: <br />