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PART I <br />Page 11 <br />Permit No. COG-SS0000 <br />B. EFFLUENT LI:iIT1,TI0NS AND MONITORING REQUIREME.`ITS <br />3. Monitorin¢ 2eauirements <br />In order to obtain an indication o2 the probable cnmpliarce or <br />noncompliance vich the eff'_uent _imitacions specified in Part I.B.1. <br />the permictee shall monitor all effluent parameters ac the _°olloving <br />frequencies. <br />a) Active Yining Outfall(s) <br />Effluent Parameter Measur?went ereeuencv cJ Samnle T:^e <br />Flow, MGD weekly Instantaneous <br /> or Continuous <br />pH, s. u. weekly Grab <br />Oil and Grease, mg/1 weekly `lisual J <br />To cal Suspended Solids, mg/1 Monthly Grab <br />Total Iron, mg/1 Monthly Grab <br />Settleable Solids, m1/1 g/ Monthly Grab <br />To cal Dissolved Solids, mg/1 ~* Quarterly Grab <br />Total Phosphorus (as P), mg/1** Quarterly Grab <br />b) Post-Paining ~ucfall(s) <br />Effluent Paramete- Measurement Freouenc•r ~ Samnle Twe <br /> <br />Flow, MGD Monthly Instantaneous <br /> or Continuous <br />Settleable Solids, m1/1 g/ Monthly Grab <br />Oil and Grease, mg/1 :!onchly Visual J <br />pH, s.u. Monthly Grab <br />Toca1 Dissolved So1_ds, mg,/'_ J* Quarter'y Grab <br />Total Phosphorus (as ?), mg,/1** Quarterly Grab <br />* Total Dissolved Solias (TDS) monitoring is required only for discharges to <br />the Colorado River 3asin. See speci~ic facili'-r certification rationale <br />co determine whether TDS monitoring is required. <br />** To cal phospho nis aanitoring _s required ml•r for discharges to the Dillon <br />Reservoir drainage area (i.e., 'en :ilia Creek, Snake River, 31ue Ri•rer, <br />and all ocher cributari?s to the Dillon Reservoir) and for discharges to <br />the Joper Sear :r?eic drainage ar=_a. See spec'_:ic =acility certi~icacion <br />rationale co detzrmine whether phosphorus monicor'_ng is required. • <br />See tart I.3.4. for footnotes <br />~... <br />\J <br /> <br />