2009-05-19_REVISION - M1978039HR (28)

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Part I Page 12 of 22 Permit No. COR-040000 BASIC TERMS AND CONDITIONS - ALL FACILITIES (cont.) 2) Permittee Review/Change: The permittee 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 stormwater discharges associated with mining activity. If existing BMPs need to be modified or if additional BMPs are necessary, the plan changes and implementation must be completed before the next anticipated storm, or not more than 60 days after: the change in design, construction, operation, or maintenance, or, the SWMP has been determined to be ineffective, unless this time frame is extended "by the Division. Amendments to the plan shall be summarized in the Annual or Compliance Report. The Division reserves the right to require additional measures to prevent and control pollution, as needed. 3. Prohibition of Non-stormwater Discharges a. Except as provided in paragraph b, below, all discharges authorized by this permit shall be composed entirely of stormwater. Discharges of water other than stormwater must be addressed in a separate CDPS permit issued for that discharge. b. Discharges from the following sources that are combined with stormwater discharges associated with mining activity may be authorized by this permit, provided that the non-stormwater component of the discharge is identified in the SWMP (see Part I.B 4.g of the permit): fire fighting activities, uncontaminate4compressor condensate, irrigation drainage, lawn watering, air conditioner condensate, uncontaminated seeps and springs, and foundation or footing drains where flows are not contaminated. 4. Releases in Excess of Reportable Quantities This permit does not relieve the permittee of the reporting requirements of 40 CFR 110, 40 CFR 117 or 40 CFR 302. Any discharge of hazardous material must be handled in accordance with the Division's Notification Requirements (see Part II.A.3 of the permit). 5. Facility Inspections a. Active Mining Operations. In addition to the inspections necessary to comply with the preventive maintenance program requirements in Part I.BA.c, qualified personnel identified by the permittee shall make a thorough inspection of their stormwater management system, at least twice per year (in the spring and fall). Where semi-annual site inspections are shown in the plan to be impracticable because an employee is not stationed at or does not routinely visit the site, inspections as required in this part shall be conducted at appropriate intervals specified in the plan, but never less than once in two years. These inspections must be documented and summarized in the Annual Report (see Part LE.1 of the permit). b. Inactive Mining Operations. Qualified persoffiel identified by the permittee shall make a thorough inspection of their stormwater management system, at least once per year. Where annual inspections are shown in the plan to be impracticable, because an employee is not stationed at or, does not routinely visit the site, an inspection is required at least once every three years by a Registered Professional Engineer. The inspector-must certify that the site is-in compliance with the plan. If the site is not in compliance with the plan, it must be brought into compliance, reinspected, and plan compliance then certified by the inspector. These inspections must be documented and summarized in the Compliance Report (see Part I.E.1 of the permit). c. Remediation Operations. Qualified personnel identified by the permittee shall make a thorough inspection of their stonmwatermanagement system, at least once per year (in the.field season). Where annual site inspections are shown in the plan to be impracticable, because an'empioyee is not stationed at or does not routinely visit the site, inspections as required in this part shall be conducted at appropriate intervals specified in the plan, but never less than once in two years.. These inspections must be documented and summarized in the Annual Report (see Part LEA of the permit).