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E. ADDITIONAL DEFINITIONS <br />For the purposes of this permit: <br />1. Best Management Practices (BMPs): schedules of activities, prohibitions of practices, maintenance procedures, and <br />other management practices to prevent or reduce the pollution of waters of the State. BMPs also include treatment <br />requirements. operating procedures, pollution prevention, and practices to control site runoff, spillage or leaks, waste <br />disposal. or drainage from material storage. <br />Dedicated asphalt plants and concrete plants: portable asphalt plants and concrete plants that are located on or adjacent <br />to a construction site and that provide materials only to that specific construction site. <br />3. Final stabilization: when all ground surface disturbing activities at the site have been completed, and umlorm vegetative <br />cover has been established with an indis idual plant densit) of at least 70 percent of pre- disturbance levels. or equivalent <br />permanent. ph) sical erosion reduction methods ha\ e been employed. For purposes of this permit, establishment of a <br />egetats e cover capable of providing erosion control equivalent to pre- existing conditions at the site will be considered <br />final stabilisation. <br />4. Municipal separate storm sewer system: a conveyance or system of conveyances (including: roads with drainage <br />sy stems. municipal streets. catch basins, curbs. gutters. ditches. man -made channels, or storm drains), owned or operated <br />by a State. city. town. county, district, or other public body (created by state law), having jurisdiction over disposal of <br />sewage. industrial waste, stormwater, or other wastes; designed or used for collecting or conveying stormwater. <br />5. Operator: the entity that has day - - day supers ision and control of actin ities occurring at the construction site. This can <br />he the owner. the developer. the general contractor or the agent of one of these parties. in some circumstances. It is <br />anticipated that at different phases of a construction project. different t) pes of parties nun) satisfy the definition of <br />'operator' and that the permit may he transferred as the roles change <br />6. Outfall: a point source at the point where stormwater leaves the construction site and discharges to a receiving water or a <br />stormwater collection system. <br />7. Part of a larger common plan of development or sale: a contiguous area where multiple separate and distinct <br />construction activities may be taking place at different times on different schedules. <br />8. Point source any discernible, confined and discrete conveyance from which pollutants are or may be discharged. Point <br />source discharges of stormwater result from structures which increase the imperviousness of the ground which acts to <br />collect runoff. w ith runoff con\ eyed along the resulting drainage or grading pattern <br />9 Pollutant: dredged spoil, dirt, slurry, solid waste. incinerator residue. sewage. sewage sludge. garbage. trash. chemical <br />w aste, biological nutrient, biological material, radioactive material. heat. wrecked or discarded equipment, rock. sand. or <br />any industrial, municipal or agricultu waste. <br />10. Process water: any water which, during manufacturing or processing. comes into contact with or results from the <br />production of any raw material, intermediate product, finished product, by product or waste product. This definition <br />includes mine drainage. <br />11. Receiving Water: any classified stream segment (including tributaries) in the State of Colorado into which stormwater <br />related to construction activities discharges. This definition includes all water courses. even if they are usually dry. such as <br />borrow ditches. arroyos, and other unnamed waterway s. <br />12 Significant Materials include, hut are not limited to: raw materials: fuels: materials such as solvents. detergents. and <br />plastic pellets: finished materials such as metallic products: raw materials used in food processing or production; hazardous <br />substances designated under section 101(1 -t) of('I:RC'LA: an chemical the lacilit) is required to report pursuant to <br />section 313 of title 111 of SARA; fertilizers; pesticides; and waste products such as ashes. slag and sludge that hay e the <br />potential to he released with stormwater discharge. <br />13. Stormwater: precipitation - induced surface runoff. <br />PAR 1'1 <br />Permit - Page 15 <br />Permit No. ('OR- 030000 <br />