Laserfiche WebLink
PART <br /> Page No. <br /> Permit No. COG-SO(10C <br />Effluent Limitations and Monitoring Reouirements-Industrial Sand, HF Flotation- means process wastewater generated <br />4 during the <br />. <br />mining and processing of sand and gravel using BF Flotation for uses other than construction and fill. <br />The above category is subject to 40 CFR Part 436 Subpart D (Industrial Sand, BF Flotation). The following limitations apply as outlined i <br />this subpart. <br /> ' ' __.•, <br />inn htins <br />Monitoring <br />Sample <br />Parameter 7-Day Daily Max. Rationale pregttency t Type <br /> 30-pa y? v AY &,, <br /> -- General Permit Requirements <br />Continuous / <br />Recorder / <br />Flow, MGD Report NA Report Discharge Evaluation InstantaneoUS2 In-situ Z <br />pH, s.u. N/A NA 6.5-9.0 Water Quality Standards Weekly Grab <br />Oil and Grease, mg/l N/A NA 10 State Effluent <br />Regulations Weekly Visual 3 <br /> Federal Effluent Limitation Guidelines <br />Total Suspended Solids, lbs/day 0.023 lbs per 0.046 lbs per <br />1,000 lbs total NA 1,000 lbs total Federal ELG <br />Weekly <br />Grab <br /> production*** production*** <br />Total Fluoride, lbs/day 0.003 lbs per 0.006 lbs per <br />1,000 lbs total NA 1,000 lbs total Federal ELG <br />Weekly <br />Grab <br /> production*** production*** <br /> Site Specific Limitatio <br />Total Production, lbs/da Report NA Report Discharge Evaluation Weekly <br />4 Actual <br />G <br />b <br />Total Dissolved Solids, mg/1 + Report NA Report Salinity Regulations <br />l <br />i Quarterly <br />Monthl ra <br />Grab <br />Total Phosphorus (as P), mg/1 +* ons <br />at <br />Report NA Various Control Regu y <br />Other Pollutants of Concern Various NA Various Water Quality Standards Weekly Grab <br />Whole Effluent Toxicity (WET) State Permit Limitations Quarterly 3 Grab/Test <br />Chronic Stat Diff and IC25 > IWC Quarterly Grab <br />Acute LC50 > 100% <br />Footnotes 1-4, * and ** can be found under Part I.B.1. <br />5. Effluent Limitations and Monitoring Requirements-Graphite Mining-means process wastewater generated during the mining and <br />processing of naturally occurring graphite. <br />The above category is subject to 40 CFR Part 436 Subpart AL (Graphite). The following limitations apply as outlined in this subpart. <br /> n <br />I trurtattons <br />Monitoring <br />Sample <br />Parameter 7-Day Daily Max. Rationale Frequency' Type <br /> 30-Day Avg 4 <br /> --General Permit Requiremen <br /> Continuous / Recorder / <br />Flow, MGD Report NA Report Discharge Evaluation InstantaneousZ In-Situ 2 <br />s.u. <br />pH N/A NA 6.5-9.0 Water Quality Standards , Weekly Grab <br />, <br />Oil and Grease, mg/l N/A NA 10 State Effluent Weekly Visual' <br /> Regulations <br /> Federal Effluent Limitation Guideline <br />Total Suspended Solids, mg/l 10 NA 20 Federal ELG <br />l ELG Weekly <br />Weekl Grab <br />Grab <br />Total Iron, mg/l 1 NA 2 Federa y <br /> <br />mg/l * <br />Total Dissolved Solids Site Specific Limitation <br />Report NA Report Salinity Regulations I <br />Quarterly <br />Grab <br />, <br />Total Phosphorus (as P), mg/l ++ Report NA Various Control Regulations Monthly Grab <br />Other Pollutants of Concern Various NA Various Water Quality Standards Weekly Grab <br />Whole Effluent Toxicity (WET) <br />State Permit Limitations Quarterly 3 Grab/Tes <br />Chronic Stat Diff and IC25 > IWC Quarterly Grab <br />Acute LC50 > 100% <br />Fnntnntes 1-4_ * and ** can be found under Part I.B.1.