2001-12-11_PERMIT FILE - C1982056A (3)

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PE "T I Pe_ lj of 14 Permit No. CO-0027154 MONITORING REQUIRFMFN'i'S • 1. FreauencX_and Sample Type For Outfalls 001. 005. 007 and 019 a) Outfalls 001 and 007 Effluent Parameter Measurement Freauencv J Flow, MGD Weekly Total Suspended Solids, Three/Month Total Recoverable Iron, mg/1 Three/Month Total Recoverable Manganese, mg/1 Weekly Potentially Dissolved Copper, mg/1 n/ Three/Month Potentially Dissolved Silver, mg/1 J Monthly Electrical Conductivity, umho/cm Three/Month pH, s.u. Weekly Oil and Grease, mg/1 Weekly Whole Effluent Toxicity, Acute Quarterly (See Part I.B.4,a) - g)) Whole Effluent Toxicity, Chronic Semi-annual Through June 30, 1996 (See Part I.B 4.h)) b) Outfall 005 Effluent Parameter Measurement FrequencX J Flow, MGD Weekly To~ Suspended Solids, Three/Month To Recoverable Iron, mg/1 Three/Month Total Recoverable Manganese, mg/1 Weekly Potentially Dissolved Copper, mg/1 n/ Three/Month Potentially Dissolved Silver, mg/1 TJ Three/Month Electrical Conductivity, umho/cm Three/Month pH, s.u. Weekly Ofl and Grease, mg/1 Weekly ;dhole Effluent Toxicity, Acute Quarterly (See Part I.B.4.a) dhole Effluent Toxicity, Chronic Semi-annual Through June 30, 1996 (See Part I.B 4.h)) Sample Twe e/ Instantaneous or Continuous Grab Grab Grab Grab Grab Grab Grab Visual Grab Composite Sample Tye J Instantaneous or Continuous Grab Grab Grab Grab Grab Grab Grab Visual Grab - g)) Composite Self-monitoring samples taken in compliance with the monitoring requirements specified above shall be taken at the following locations: outfalls 001, 005, and 007: in the culverts prior to the effluent flow measuring devices. c) Outfall 019 :f fluent Parameter Measurement Freauencv ~ Sample Twe 'low, MGD Monthly 'otal Recoverable Manganese, mg/1 Monthly Calculated Calculated 'he combined total flow from outfalls 001, 005 and 007 shall be calculated and reported as -he~ow from outfall 019. Amended Effective