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PART I Page 6 Permit No. CCG-850000 B. EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS 1 Effluent Limitations (continued) d) Burden of Proof Requirement The permittee has the burden of proof when requesting relief from total suspended solids (TSS), total iron and/or settleable solids limitations. Relief shall be granted only when necessary and shall not be granted when the permittee has control over [he discharge. The permittee should endeavor co meet the primary limitations whenever possible. 1) For rainfall, co waive TSS and total iron limitations, is is necessary to prove that discharge occurred within 48 hours after measurable precipitation has stopped. In addition, co waive settleable solids limitations, is is necessary to prove that discharge occurred within 48 hours after precipitation greater than the 10-year, 24-hour event has stopped. 2) For snowmelt, co waive TSS and co cal iron ].imitations, it is necessary to prove chat discharge occurred within 48 hours after pond inflow has stopped. In addition, to waive settleable solids limitations, it is necessary co prove that discharge occurred within 4b hours after pond inflow volume greater tnan the 10-year, 2=.-hour even[ has stopped. The Division shall determine the adequacy of proof. As part of this determination, the Division shall evaluate whether the permittee could have controlled the discharge in such a manner chat primary limitations could have been met. All manual dewatering must meet TSS and total iron limitations. 2. Stormwater Management Plan The permittee shall prepare and submit two copies of a Stormwater Management Plan (SWMP) co the Water Quality Control Division- The plan shall be submitted within sic months from the dace that certification under this oermit was eranced to the facili t•~. An additional copy of the plan shall be submitted co: ~~ciorado Department of :Natural P.esources `lined Land Reclamation Division - Coal Mining Section 423 Centennial Building 1313 Sherman Scree[ Denver. CO 80203 The Division will review and approve each plan. 7Jpon approval, the plan shall be Lncor~oraced into the oermictee's certification Sv reference. :allure to implement the ,:p proved ?fan as described siail Se a ~~ioiacion or the permit. she ?Lan shall remain 'n off=_c, as Long as cne ~3ctli- _.. C2gUtaL2Q SV c CD PS ?ermit.