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PART I <br />Page 11 of 52 <br />Permit No.: C00000906 <br />ALTERNATE LIMITATIONS <br />Any discharge or increase in volume of a discharge caused by precipitation within any 24-hour period greater than <br />the 10 -year, 24-hour event (or series of storms or snowmelt of equivalent volume) may comply with alternate <br />limitations subject to burden of proof requirements as described in the EFFLUENT LIMITATIONS AND MONITORING <br />REQUIREMENTS section. <br />The following limits for Fe(TR) may be substituted for those contained in the previous table. All other parameters <br />remain unchanged. <br />Alternate Limits Outfall 008 (greater than the 10 -year, 24-hour precipitation event) <br />ICIS <br />Code <br />Effluent Parameter <br />Effluent Limitations Maximum <br />Concentrations <br />Monitoring <br />Require ents <br />30 Day <br />7 -Day <br />Daily Maximum <br />Sample <br />Frequency <br />Sample Type <br />Average <br />Avera a <br />Report <br />lype <br />00980 <br />Fe, TR (pg/1) <br />Recorder <br />00400 <br />pH (su) <br />Through June 30, 2018 <br />3500 <br />Grab <br />00530 <br />Monthly Grab <br />35 <br />Beginning July 1, 2018 <br />1000 <br />2 days/month <br />Grab <br />Monthly Grab <br />Outfall 010 <br />ICIS <br />Code <br />Effluent Parameter <br />Effluent Limitations Maximum <br />Concentrations <br />Monitoring Requirements <br />30 -Day <br />Avera a <br />7 -Day <br />Average <br />Daily <br />Maximum <br />Frequency <br />Sample Type <br />50050 <br />Effluent Flow (MGD) <br />Report <br />Report <br />2 days/month <br />Recorder <br />00400 <br />pH (su) <br />6.5-9 <br />2 days/month <br />Grab <br />00530 <br />TSS (mg/1) <br />35 <br />70 <br />2 days/month <br />Grab <br />00978 <br />As, TR (pgA) <br />Report <br />Quarterly <br />Grab <br />01313 <br />Cd, PD (pg/1) <br />Report <br />Report <br />Quarterly <br />Grab <br />01118 <br />Cr, TR (pg/1) <br />Report <br />Semi -Annual <br />Grab <br />01306 <br />Cu, PD (pg/l) <br />Report <br />Report <br />Quarterly <br />Grab <br />00980 <br />Fe, TR (pg/l) <br />Through June 30, 2018 <br />3000 <br />6000 <br />2 Days/Month <br />Grab <br />Beginning July 1, 2018 <br />1000 <br />6000 <br />2 Days/Month <br />Grab <br />01319 <br />Mn, PD (pg/1) <br />Report <br />Report <br />Semi -Annual <br />Grab <br />71900 <br />Hg, Tot (pg/l) <br />Report <br />Quarterly <br />Grab <br />01323 <br />Se, PD (pg/l) <br />Report <br />Report <br />Quarterly <br />Grab <br />01303 <br />Zn, PD (pg/l) <br />Report <br />Report <br />Semi -Annual <br />Grab <br />82057 <br />B, Tot (mg/() <br />Report <br />Quarterly <br />Grab <br />00940 <br />Chloride (mg/1) <br />Report <br />Quarterly <br />Grab <br />2. Narrative Water Quality Based Effluent Limitation (Outfalls 004, 007, 008, 010, 011, and 012) <br />Discharges authorized under this permit must be controlled as necessary to meet applicable water quality <br />standards. <br />The division expects that compliance with the other terms and conditions in this permit will control discharges as <br />necessary to meet applicable water quality standards. If at any time the permittee becomes aware, or the division <br />