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PAN7I Page No..B Permit No. COG-850000 B. EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS 2. Stormwater Management Plan (SWMP) (continued) • The pemtittee shall amend the plan whenever there is a change in design, construction, operation, or maintenance which has a significant effect on the potential for the discharge of pollutants to the waters of the State, or if the SWMP proves to be ineffective in achieving the general objectives of controlling pollutants in stotmwater dischazges associated with industrial activity. The Division in the same manner as described above, may review amendments to the plan. It is the pemuttee's responsibility to notify the Colorado Division of Mining and Geology (formerly the Mined Land Reclamation Division) of any significant changes at their site resulting from the implementation of the SWMP. d) SWMP Availabili A copy of the SWMP shall be provided to the Division, the Colorado Division of Mining, and Geology (CDMG), and/or to EPA upon request, and within the period specified in the request. All SWMPs required under this permit aze consideredreports that shall be available to the public under Section 308(b) of the CWA. The owner or operator of a facility with stormwater dischazges covered by this permit shall make plans available to members of the with 40 CFR Part 2. ~~ e) Allowable Non-Stormwater Dischazees The plan shall identify all sources of irrigation return flow and natural tmcontaminated spring water that aze combined with stormwater dischazges associated with industrial. activity. The plan shall identify and ensure the implementation of appropriate measures to prevent pollution of the non-stormwater component(s) of the discharge. Irrigation return flow and natural spring water, which mixes with mine drainage or process water becomes mine drainage or process water. EIlplovee Education The permittee shall develop and implement employee education programs to inform personnel at all levels of responsibility o~e components and goals of the SWMP. Education should address topics such as spill response, good housekeeping, and material -: management practices. The permittee shall identify periodic dates for such instruction 3. Monitoring Requirements In order to obtain an indication of the probable compliance or noncompliance with the effluent limitations specified in Part I.B.1, the permittee shall monitor all effluent parameters at the following frequencies: a) Active Ivlinine Outfalls Flow, MGD Weekly Instantaneous or TSS, mg/1 Monthly Grab Total Iron, mg/1 Monthly Gmb Total Manganese; mg/1 Monthly Grab Settleable Solids, ml/I Monthly Grab Oil and Grease, mg/1 Weekly Visual pH, s.u. Weekly In-situ Tota] Dissolved Solids, mg/1 Quarterly Grab Total Phosphonu (as P), mg/l Quarterly Grab b) Post-Minine Outfalls Settleable Solids, ml/1 Monthly Grab Oil and Grease, mg/I Monthly Visual pH, s.u. Monthly In-situ Total Dissolved Solids, mg/1 Quarterly Grab Total Phosphorus (as P), mg/1 Quarterly Grab