Wisconsin Administrative Code › Department of Natural Resources › NR 200-299 - Environmental Protection - Wisconsin Pollutant Discharge Elimination System › Chapter NR 297 - Timber products processing › Section NR 297.003 - General definitions

Current through June 24, 2024
The following definitions are applicable to the terms used in
				  this chapter. Definitions of other terms and abbreviations are set forth in ss.
				  NR
				  205.03,
				  205.04, and
				  211.03.
(1) "Boulton process" means a process in
				which unseasoned wood is heated in an oily preservative under a partial vacuum
				to reduce the wood's moisture content prior to injection of the
				preservative.
(2) "Byproduct
				utilization" means the manufacture of products from bark and wood waste
				materials exclusive of the manufacture of insulation board, particleboard,
				hardboard, or products in other categories or subcategories covered by specific
				limitations.
(3) "Debris" means
				woody material such as bark, twigs, branches, heartwood, or sapwood which will
				not pass through a 2.54 cm (1.0 in) diameter round opening and which is present
				in the discharge from a wet storage facility.
(4) "Existing source" means any point source,
				except a new source as defined in sub. (9), from which pollutants may be
				discharged either into waters of the state or into a publicly owned treatment
				works.
(5) "Gross production of
				fiberboard products" means the air dry weight of hardboard or insulation board
				following formation of the mat and prior to trimming and finishing
				operations.
(6) "Hardboard" means a
				panel manufactured from interfelted lignocellulosic fibers consolidated under
				heat and pressure to a density of 0.5 g/cu cm (31 lb/cu ft) or
				greater.
(7) "Hydraulic barking"
				means a wood processing operation that removes bark from wood by the use of
				water under a pressure of 6.8 atm (100 psia) or greater.
(8) "Insulation board" means a panel
				manufactured from interfelted lignocellulosic fibers consolidated to a density
				of less than 0.5 g/cu cm (31 lb/cu ft).
(9) "New source," as defined for purposes of
				new source performance standards and treatment standards for new sources, means
				any point source for which construction commenced after October 31, 1979, and
				from which pollutants are or may be discharged directly to waters of the state
				or to a publicly owned treatment works.
(10) "Particleboard" means board products
				composed of underfiberized particles of wood and other lignocellulosic
				materials bonded together with organic or inorganic binder materials.
(11) "Process wastewater" means wastewater
				other than noncontact cooling water, material storage yard runoff, and boiler
				blowdown. For the dry process hardboard, veneer, finishing, particleboard, and
				sawmills and planing mills subcategories, fire control water is not process
				wastewater.
(12) "Self contained
				body of water" means a body of water which does not have a continuous natural
				influent of either surface or groundwater and which is used to store raw
				materials for the manufacture of lumber and wood products except for
				timber.
(13) "Smooth-one-side
				hardboard" means hardboard which is produced by the wet matting wet pressing
				process.
(14) "Smooth-two-side
				hardboard" means hardboard which is produced by the wet matting dry pressing
				process.