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' C. DEFINITIONS OF TERMS PARTI Page No. 11 Permit No, CO-0044776 If the sampling fre uency is more frequent than monthly Eliminate the result of TNTC from any fuither calculations, and use all the other results obtained within that month for reporting purposes. Attach a letter noting that a result of TNTC was obtained, and list all individual analytical results and corresponding sampling dates for that month. Additional relevant definitions are found in the Colorado Water Quality Control Act, CRS §§ 25-8-101 et egg,., the Regulations for the State Discharge P 't yetrm, 5 CCR 1002-2, § 61.0g<t ~ and other applicable regulations. D. SPECIAL REQUIREMENTS 1. Materials Containment Plan Pursuant to Sections 61.8(3}(g} and (r} of the Colorado Dischazge Permit System Regulations, the permittee is required to submit a Materials Containment Plan. Such a plan shall be submitted to the Division within ninety days after the effective date of this permit and must be implemented. The plan shall include information and procedures for the prevention and containment of spills of materials used, processed or stored at tine facility which if spilled would have a reasonable probability of having a visible or otherwise detrimental impact on waters of the State lit'. The plan shall include, but not necessarily be limited to: a. A history of the spills which have occurred in the three yeazs preceding the effective date of this permit. The history shall include a discussion on the cause of the spills and the preventative measures designed to eliminate them from reoccurring; b. A description of the reporting system which will be used to notify, at a minimum, responsible facility management, the Division, the Environmental Protection Agency, downstream water users within 5 miles downstream of the facility, and local health officials; c. A description of preventative facilities (including overall facility plot) which prevent, contain, or treat spills and unplanned discharges; d. A fist which includes the volumes or quantities of all materials used, processed, or stored at the facility which represent a potential spill threat to surface waters. The location of stored material shall be indicated on the facility plot submitted for item c; e. An implementation schedule for additional facilities which might be required in item c, but which are not yet operational; f. A Iist of available outside contractors, agencies, or other sources which could be utilized in the event of a spill in order to clean up its effects. If the facility is capable of handling spills in-house, this shall be documented v the plan; g. Provision for yeazly review and updating of the contingency plan, plus resubmission of the plan to the if conditions and/or procedures at the facility change the original plan. The foregoing provisions shall in no way render inapplicable those requirements imposed by the Federal Water Pollution Control Act, 33 U.S.C. § 1321, regulations promulgated thereunder, the Colorado Water Quality Coy Act, and regulations promulgated thereunder. It is recommended that this plan be prepared by a professional engineer registered in the State of Colorado.