The following definitions are applicable to terms used in this chapter. Definitions of other terms, including a 10-year, 24-hour precipitation event, and meanings of abbreviations are set forth in ch. NR 205.
(1) "Coal" means coal of any rank including but not limited to bituminous, lignite, and anthracite coal.(2) "Coal preparation plant" means a facility where coal is crushed, screened, sized, cleaned, dried, or otherwise prepared and loaded prior to the final handling or sizing in transit to or at a consuming facility.(3) "Coal preparation plant ancillary area" means the areas associated with a coal preparation plant including; yards, access roads, coal storage, refuse storage, and other immediately associated areas where coal or refuse, either purposefully or accidentally, is allowed to come in contact with precipitation runoff or plant wash down.(4) "Mine" means an active mining area of land with all property placed upon, under, or above the surface of such area used in or resulting from the work of extracting coal from its natural deposits by any means or method including secondary recovery of coal from refuse or other storage piles derived from the mining, cleaning, or preparation of coal.(5) "Active mining area" means a place where work or other activity related to the extraction, removal, or recovery of coal is being conducted or carried on, except any area of land on or in which there has been commenced or been completed reclamation work following the grading stage.(6) "Acid or ferruginous mine drainage" means mine drainage which before any treatment has either a pH less than 6.0 or a total iron concentration of more than 10 mg/l.(7) "Alkaline mine drainage" means mine drainage which before any treatment has a pH of more than 6.0 and a total iron concentration of less than 10 mg/l.(8) "Mine drainage" means any water drained, pumped or siphoned from a coal mine.(9) "Final contour" means the surface shape or contour of a surface mine or section thereof after all mining and earth moving operations have been completed.(10) "Process waste" means, as appropriate: (a) Discharges from a coal preparation plant, or(b) Discharges which are pumped, siphoned, or drained from a coal preparation plant ancillary area.Wis. Admin. Code Department of Natural Resources NR 268.03
Cr. Register, June, 1977, No. 258, eff. 7-1-77.