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PART1 <br />Page 5 <br />Permit No. COG-500000 <br />B. EFFLUENT LIMITATIONS AND CONDITIONS - PROCESS WATER DISCHARGE <br />(This section (I.B) only applies to facilities with a discharge of process water.) <br />General Limitations <br />a. There shall be no discharge of sanitary wastewaters from toilets or related facilities. <br />b. There shall be no discharge of floating solids or visible foam <br />C. No chemicals are to be added to the discharge unless the permit issuing authority grants permission for the use of a specific <br />chemical. In granting the use of such chemicals, additional limitations and monitoring requirements may be imposed. <br />d. Bulk storage structures for petroleum products and other chemicals shall have adequate protection to prevent any reasonable <br />loss of the material from entering discharged waters or waters of the State. <br />Industry-Specific Numeric Limitations <br />Beginning October 1, 2002 and lasting through September 30, 2007, the permittee is authorized to discharge from the process water <br />outfalls, under the industrial category below, as identified in their permit certification. <br />In accordance with the Water Quality Control Commission Regulations for Effluent Limitations, Regulation 62,5 C.C.R. 1002-62 <br />and State Discharge Permit System Regulations, Section 61.8 (2), 5 C.C.R. 1002-61, the permitted discharge shall not contain <br />effluent parameter concentrations, which exceed the following limitations: <br />Mineral mining and processing point source category - 40 CFR 436 - subpart B (crushed stone), C (construction sand and <br />gravel), R (phosphate rock) - and all other industrial facilities covered under SIC Code 14, (except graphite and those <br />facilities specifically listed in paragraph c, below), and concrete and asphalt batch plants located at any facility otherwise <br />covered by this general permit: <br />Parameter <br />Discharge.Limitation (See definitions':Part I.E.) <br /> 30-day avg 7-day avg Daily max <br />Flow, MGD Report NA Report <br />pH, su. (minimum-maximum) NA NA 6.5-9.0 <br />Total Suspended Solids, mg/1 30 45 NA <br />Oil & Grease, mg/1 NA NA 10 <br />Total Dissolved Solids, mg/I • NA NA Report <br />Total Phosphorus (as P) mg/1 •* NA NA Report <br />nppncatne w warm of me Coiotaao iciver tsasm very. See wai.a. <br />Applicable to waters listed in LD.8.b. <br />Mineral mining and processing point source category - 40 CFR 436 -subpart AI. (graphite): this permit does not cover the discharge of process <br />wastewater from graphite mines. (See Section V.A.2.d of the Rationale.) <br />Mineral mining and processing point source category - 40 CFR 436 - subpart D (industrial sand) (except for process-generated <br />wastewater from facilities employing HF floatation): <br />Parameter <br />Discharge Limitation (See definitions Part I.E.) <br /> 30-day avg 7-day:av9 Daily max <br />Flow, MGD Report NA Report <br />pH, su. (minim»r»-maximum) NA NA 6.5-9.0 <br />Total Suspended Solids, mg/1 25 45 NA <br />Oil & Grease, mg/1 NA NA 10 <br />Total Dissolved Solids, mg/I • NA NA Report <br />Total Phosphorus (as P) mg/1 •• NA NA Report <br />nppacaote w waters or me L oioraao itiver tiasm vniy. See i.ims.a. <br />Applicable to waters listed in t.D.8.b.