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A•~LUENT LIMITATIONS AND MONITORING REQUIREMENTS •E ANY ADDITIONAL REQUIREMENTS UNDER PART 111. • During the period beginning immediately and lasting through December 3 1, 19$5 the permittee is authorized to " discharge subject to the following limitations and requirements: 1. Effluent Limitations Effluent Parameter Discharge Limitations Maximum Weight Maximwn Concentration kg/day (Ibs/day) mg/I mg/1 30-day avg. a/ Daily max. b/ 30-day avg. a/ Daily max. c/ Flow - m3/Day (MGD) N/A N/A N/A N/A Total Suspended Solids N/A N/A 25 h5 • Salinity N/A N/A N/A N/A Oil E Grease shall not exceed 10 mg/I nor shall there be a visible sheen c/. The pH shall not be less than 6.5 standard units nor greater than 9.0 standard units c/ There shall be no discharge of floating solids or visible foam in other than trace amounts. a/ This limitation shall be determined by the arithmetic mean of a minimum of three (3) consecutive samples taken on separate weeks in a 30-day period (minimum total of three (3) samples); b/ This limitation means the total discharge by weight during any calendar day, as determined by an 8-hour composite sample. c/ This limitation shall be determined by a single properly preserved sample as required under monitoring requirements - Sample Type. m o, n ~~ ~ 3 m -1 2. Any untreated overflow which is discharged from facilities designed, constructed, and operated to -+ N - contain or treat as applicable all process generated wastewater and the surface runoff to the treatment o ~ facility from a 10-year, 24-hour precipitation event shall not be subject to the limitations set ~ •• forth in this section. The official precipitation gauge station identified with the facility shall ~ m be the Hayden Station, Index No. 3867, In Routt County. o 0 The permittee has the option of operating and maintaining a precipitation gage at the facility. V Discharges shall be limited to mine dewatering. ~ o~