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Permit No. NCG020000
<br /> 434.11(1)) and oil and gas exploration, production, processing, or treatment
<br /> operations, or transmission facilities that discharge stormwater contaminated by contact
<br /> with or that has come in contact with, any overburden, raw material, intermediate
<br /> products, finished products, byproducts or waste products located on the site of such
<br /> operations; inactive mining operations are mining sites that are not being actively
<br /> mined, but which have an identifiable owner/operator;
<br /> d. Hazardous waste treatment, storage, or disposal facilities, including those that are
<br /> operating under interim status or a permit under Subtitle C of RCRA;
<br /> e. Landfills, land application sites, and open dumps that receive or have received any
<br /> industrial wastes (waste that is received from any of the facilities described under this
<br /> definition) including those that are subject to regulation under Subtitle D of RCRA;
<br /> f. Facilities involved in the recycling of materials, including metal scrapyards, battery
<br /> reclaimers, salvage yards and automobile junkyards, including but limited to those
<br /> classified as Standard Industrial Classification 5015 and 5093;
<br /> g. Steam electric power generating facilities, including coal handling sites;
<br /> h. Transportation facilities classified as Standard Industrial Classifications 40, 41, 42,
<br /> 44, and 45 which have vehicle maintenance shops, equipment cleaning operations, or
<br /> airport deicing operations. Only those portions of the facility that are either involved in
<br /> vehicle maintenance (including vehicle rehabilitation, mechanical repairs, painting,
<br /> fueling and lubrication), equipment cleaning operations, airport deicing operations, or
<br /> which are otherwise identified under (a)-(g) or (i)-(k) of this definition are
<br /> associated with industrial activity;
<br /> Treatment works treating domestic sewage or any other sewage sludge or wastewater
<br /> treatment device or system, used in the storage treatment, recycling, and reclamation of
<br /> municipal or domestic sewage, including lands dedicated to the disposal of sewage sludge
<br /> that are located within the confines of the facility, with a design flow of 1.0 mgd or
<br /> more, or required to have an approved pretreatment program under 40 CFR part 403.
<br /> Not included are farm lands, domestic gardens or lands used for sludge management
<br /> where sludge is beneficially reused and which are not physically located in the confines
<br /> of the facility, or areas that are in compliance with section 405 of the CWA;
<br /> j. Construction activity including clearing, grading and excavation activities except:
<br /> operations that result in the disturbance of less that five acres of total land area which
<br /> are not part of a larger common plan of development or sale;
<br /> k. Facilities under Standard Industrial Classifications 20, 21, 22, 23, 2434, 25, 265,
<br /> 267, 27, 283, 285, 30, 31 (except 311), 323, 34 (except 3441), 35, 36, 37
<br /> (except 373), 38, 39, 4221-25, (and which are not otherwise included within (a)-
<br /> (j) of this definition).
<br /> 24. In Year Design Storm
<br /> The precipitation event of a duration which will produce the maximum peak rate of
<br /> runoff for the watershed of interest resulting from a rainfall event of an intensity
<br /> expected to be equalled or exceeded, on the average, once in ten years.
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