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PART I <br /> Page vi <br /> Permit No. CO-0000396 <br /> �. TERMS AND CONDITIONS <br /> 4. Salinity Paran.eters (continued) <br /> Self-monitoring samples taken in compliance with the monitoring requires specified above shall be taken at those locations <br /> listed in Part I.B.1. TDS shall be sampled on a quarterly basis. The permittee is required to submit a report addressing salt <br /> removal in accordance with the Regulations For Implementation of the Colorado River Salinity Standards Through the <br /> NPDES Permit Program, 3.10.0 (see Part I.A.5.). <br /> 5. Compliance Schedule - Salinity Report <br /> The permittee shall submit to the Division by November 1. 1994, a report addressing the economic feasibility of achieving <br /> no salt in all discharges or, if that is not feasible, minimizing the salt in all discharges from this facility. The report shall <br /> address these two points: <br /> The cost of modifying all existing treatment facilities to provide for no salt discharge; <br /> The cost of salt minimization from all treatment facilities (to achieve combined discharge equal to or less than one ton <br /> of TDS per day). <br /> The permittee shall specifically address a minimum of three forms of treatment and/or containment for each point. The <br /> report shall describe in detail each form of treatment and/or containment, the associated construction costs, the annual <br /> operating costs and the expected resulting salt loading that would result from such treatment and/or containment. The <br /> Division will review this report. If the Division determines that it is economically infeasible to construct salt <br /> removal/minimization facilities, the permittee will be judged to have fully satisfied the terms of this requirement and no <br /> further action shall be required. If the Division determines that such construction is necessary, the permit may be reopened <br /> to make appropriate modifications. <br /> No later than 14 calendar days following each date identified in the above schedule of compliance, the permittee shall submit <br /> either a report of progress or, in the case of specific actions being required by identified dates, a written notice of <br /> compliance or noncompliance, any remedial actions taken, and the probability of meeting the next scheduled requirement. <br /> In any case in which a compliance schedule has been timely submitted, failure to obtain the Division's approval shall not be <br /> considered a violation of the permit unless the Division shows that absence of approval or disapproval has resulted from the <br /> failure of the permittee to furnish information reasonably required or requested in order to process the compliance schedule. <br /> B. MONITORING REQUIREMENTS <br /> 1. Frequency and Sample Type <br /> In order to obtain an indication of the probable compliance or noncompliance with the effluent limitations specified in Part <br /> I.A.1, the permittee shall monitor all effluent parameters at the full,,v,•ing i,.quencies. Such monitoring will begin <br /> immediately and last for the life of the permit unless otherwise noted. The results of such monitoring shall be reported on <br /> the Discharge Monitoring Report (See Part I.B.2.) <br /> (a) Outfall 001 (surface runoff only) <br /> Effluent Parameter Measurement Frequency Sample Type <br /> Flow, MGD Weekly Instantaneous <br /> or Continuous <br /> Total Suspended Solids, mg/f Monthly Grab <br /> Total Iron, .u:Jf Monthly Grab <br /> Settleable Sell is, mf/f Monthly Grab <br /> Oil and Grease, mg/f Weekly Visual <br /> pH, s.u. Weekly Grab <br /> See Part I.C. for Definitions. ep <br /> Amendment No. I lssued FFR 9 — IgWiffective APR I - 199 <br />