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PART I <br /> Page 12 of 67 <br /> Permit No.:COG500000 <br /> Note 4: Total Flow — Total flow is the cumulative flow of the discharge for the quarter or month in million gallons. If <br /> continuous flow monitoring is not conducted, the permittee must calculate the total flow for the month or quarter using the <br /> 30-day average flow(measured)and the number of days the facility discharged within the month or quarter. <br /> Note 5:Total Dissolved Solids(TDS)—Analysis for salinity, measured as TDS,and a requirement to report quarterly total <br /> flow will be included in the permit certification for all discharges to the Colorado River Basin. <br /> Note 6:Total Phosphorus—Analysis for Total Phosphorus,as P,will be included in the permit certification for all discharges <br /> to waters with a control regulation for P. Monitoring requirements and effluent limitations vary depending on the <br /> applicable control regulation(Regulations 71 through 74). <br /> Note 7: Selenium Loading Calculation--To determine selenium loading values, use the calculation formula below: <br /> Loading in Ibs/day=(30 day average effluent flow in MGD x 30 day average selenium concentration in mg/1)x 8.34 <br /> 1000 ug/I=1 mg/I <br />