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/?d,(?7_V /~ r• , A. TERMS AND CONDITIONS I. Effluent Limitations (continued) (c) Outfa11023 Effluent Parameter Discharge Limitations Flow, MGD BOD,, mg/^ (Ibs/day) Total Suspended Solids, mg/^ (Ibs/day) Oil and Grease, mg/^ pH, s. u. (minimum-maximum) Total Residual Chlorine, mg/^ Fecal Coliforms, No /100 ml 30-Day Avg a/ 7-day Avg b/ Daily Max c/ 0.012 30 (3.0) 75 (7.5) NIA N/A N/A 6,000 N/A Report 45 (4.5) N/A 110 (I I.0) N/A N/A 10 N/A 6.5-9.0 N/A 0.5 12,000 N/A 2. Whole Effluent Toxicity-Chronic Lethality Limitation -Outfalls 003, 022 and 024 Beginning April I. 1997, and lasting through March 31, 1999, there shall be no statistically significant difference in lethality (at the 95% confidence level) between the control and any effluent concentration less than or equal to I I.5% efFluent. Such limitation shall apply as a daily maximum. 3. Burden of Proof Requirements The pertnittee has the burden of proof when seeking relief from settleable solids (SS) limitations. Discharges from outfalls 004, 007, 009, OI I - 021 are eligible for this exemption. Relief may be granted for each discharge occurrence only when necessary and shall not be granted when the permittee has control over the discharge. The permittee should endeavor to meet the primary limitations whenever possible. a) For rainfall, to waive settleable solids limitations, it is necessary to prove that dischan;e occurred within 48 hours after precipitation greater than the 10-year, 24-hour event has stopped. b) For snowmelt, to waive settleable solids limitations, it is necessary to prove that discharge occurted within 48 hours after pond inflow volume greater than the 10-year, 24-hour event has stopped. Should a precipitation event or snowntelt occur, the petmittee shall submit adequate proof in order for an exemption to be claimed. Weather station data may be appropriate in making this demonstration. Said proof shall be submitted as an attachment to the Discharge Monitoring Report (DMR) for the appropriate period. The Division shall determine the adequacy of proof. As part of this deterntination, the Division shall evaluate whether the permittee could have conttolled the discharge in such a manner that primary limitations could have been met. All manual dew:uering of the ponds shall meet settleable solids limitations. 4. Salinity Parameters In order to obtain an indication of the quantity of Salinity being discharged from the site, the permittee shall monitor the wastewater efFluenl for total dissolved solids at the following frequencies: Outfall Frequency Sample Tvae 003,004,007,009,011,012,013,014,015, Quarterly Grab 016, 017,OIR,019,02Q 021,022,023 and 024. Self-monitoring samples taken in compliance with the monitoring requires specified above shall be taken a[ those locations listed in Part I.B.I. See Part I.C. for Definitions.