Chapter NR 297

NR 297.003(1) (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.

NR 297.003(2) (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.

NR 297.003(3) (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.

NR 297.003(4) (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.

NR 297.003(5) (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.

NR 297.003(6) (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.

NR 297.003(7) (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.

NR 297.003(8) (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).

NR 297.003(9) (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.

NR 297.003(10) (10) “Particleboard” means board products composed of underfiberized particles of wood and other lignocellulosic materials bonded together with organic or inorganic binder materials.

NR 297.003(11) (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.

NR 297.003(12) (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.

NR 297.003(13) (13) “Smooth-one-side hardboard” means hardboard which is produced by the wet matting wet pressing process.

NR 297.003(14) (14) “Smooth-two-side hardboard” means hardboard which is produced by the wet matting dry pressing process.

NR 297.003 History History: Cr. Register, April, 1989, No. 400, eff. 5-1-89.

NR 297.004 NR 297.004 Numerical limitations. For the subcategories with numerical limitations, the daily maximum limitation is a value which may not be exceeded by any one effluent measurement. The 30-day limitation is a value that may not be exceeded by the average of daily measurements taken during any 30-day period.

NR 297.004 History History: Cr. Register, April, 1989, No. 400, eff. 5-1-89.

NR 297.005 NR 297.005 Compliance dates.

NR 297.005(1) (1) Any existing source subject to this chapter which discharges to waters of the state shall achieve:

NR 297.005(1)(a) (a) The effluent limitations representing BPT by July 1, 1977; and

NR 297.005(1)(b) (b) The effluent limitations representing BAT by July 1, 1984

NR 297.005(2) (2) Any new source subject to this chapter which discharges to waters of the state shall achieve NSPS at the commencement of discharge.

NR 297.005(3) (3) Any existing source subject to this chapter which introduces process wastewater pollutants into a POTW shall achieve PSES by January 26, 1984.

NR 297.005(4) (4) Any new source subject to this chapter which introduces process wastewater pollutants into a POTW shall achieve PSNS at the commencement of discharge.

NR 297.005 History History: Cr. Register, April, 1989, No. 400, eff. 5-1-89.

subch. I of ch. NR 297 Subchapter I - Barking Subcategory

NR 297.01 NR 297.01 Applicability; description of the barking subcategory. This subchapter applies to the discharge of pollutants to waters of the state and the introduction of pollutants into POTWs from the barking of logs by plants in the lumber and wood products industry, except for furniture making, and plants producing insulation board.

NR 297.01 History History: Cr. Register, April, 1989, No. 400, eff. 5-1-89.

NR 297.011 NR 297.011 Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available. Except as provided in 40 CFR 125.30 to 125.32, any existing point source subject to this subchapter shall achieve the following effluent limitations representing the degree of effluent reduction attainable by application of BPT.

NR 297.011(1) (1) Mechanical barking installations may not discharge process wastewater pollutants into waters of the state.

NR 297.011(2) (2) The following limitations apply to hydraulic barking installations:

NR 297.011 History History: Cr. Register, April, 1989, No. 400, eff. 5-1-89.

NR 297.013 NR 297.013 New source performance standards. The discharge of wastewater pollutants from any new source subject to this subchapter may not exceed the following standards.

NR 297.013(1) (1) Mechanical barking installations may not discharge process wastewater pollutants into waters of the state.

NR 297.013(2) (2) Hydraulic barking installations may not exceed the limitations set forth in s. NR 297.011 (2).

NR 297.013 History History: Cr. Register, April, 1989, No. 400, eff. 5-1-89.

NR 297.014 NR 297.014 Pretreatment standards for existing sources. Any existing source subject to this subchapter which introduces pollutants into a POTW shall comply with ch. NR 211.

NR 297.014 History History: Cr. Register, April, 1989, No. 400, eff. 5-1-89.

NR 297.015 NR 297.015 Pretreatment standards for new sources. Any new source subject to this subchapter which introduces pollutants into a POTW shall comply with ch. NR 211.

NR 297.015 History History: Cr. Register, April, 1989, No. 400, eff. 5-1-89.

subch. II of ch. NR 297 Subchapter II - Veneer Subcategory

NR 297.02 NR 297.02 Applicability; description of the veneer subcategory. This subchapter applies to the discharge of pollutants to waters of the state and the introduction of pollutants into POTWs from any plant which manufactures veneer and does not store or hold raw materials in wet storage conditions.

NR 297.02 History History: Cr. Register, April, 1989, No. 400, eff. 5-1-89.

NR 297.021 NR 297.021 Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available. Except as provided in 40 CFR 125.30 to 125.32, any existing point source subject to this subchapter shall achieve the following effluent limitations representing the degree of effluent reduction attainable by application of BPT.

NR 297.021(1) (1) Except for the installations subject to subs. (2) and (3), veneer manufacturing installations may not discharge process wastewater pollutants into waters of the state.

NR 297.021(2) (2) The following limitations apply to softwood veneer manufacturing processes which use direct steaming for the conditioning of logs:

NR 297.021(3) (3) The following limitations apply to hardwood veneer manufacturing processes which use direct steaming for the conditioning of logs:

NR 297.021 History History: Cr. Register, April, 1989, No. 400, eff. 5-1-89.

NR 297.022 NR 297.022 Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable. Except as provided in 40 CFR 125.30 to 125.32, any existing point source subject to this subchapter may not discharge process wastewater pollutants into waters of the state.

NR 297.022 History History: Cr. Register, April, 1989, No. 400, eff. 5-1-89.

NR 297.023 NR 297.023 New source performance standards. Any new source subject to this subchapter may not discharge wastewater pollutants to waters of the state.

NR 297.023 History History: Cr. Register, April, 1989, No. 400, eff. 5-1-89.

NR 297.024 NR 297.024 Pretreatment standards for existing sources. Any existing source subject to this subchapter which introduces pollutants into a POTW shall comply with ch. NR 211.

NR 297.024 History History: Cr. Register, April, 1989, No. 400, eff. 5-1-89.

NR 297.025 NR 297.025 Pretreatment standards for new sources. Any new source subject to this subchapter which introduces pollutants into a POTW shall comply with ch. NR 211.

NR 297.025 History History: Cr. Register, April, 1989, No. 400, eff. 5-1-89.

subch. III of ch. NR 297 Subchapter III - Plywood Subcategory

NR 297.03 NR 297.03 Applicability; description of the plywood subcategory. This subchapter applies to the discharge of pollutants to waters of the state and the introduction of pollutants into POTWs from any plywood production plant which does not store or hold raw materials in wet storage conditions.

NR 297.03 History History: Cr. Register, April, 1989, No. 400, eff. 5-1-89.

NR 297.031 NR 297.031 Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available. Except as provided in 40 CFR 125.30 to 125.32, any existing point source subject to this subchapter may not discharge process wastewater pollutants into waters of the state.

NR 297.031 History History: Cr. Register, April, 1989, No. 400, eff. 5-1-89.

NR 297.032 NR 297.032 Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable. Except as provided in 40 CFR 125.30 to 125.32, any existing point source subject to this subchapter may not discharge process wastewater pollutants into waters of the state.

NR 297.032 History History: Cr. Register, April, 1989, No. 400, eff. 5-1-89.

NR 297.033 NR 297.033 New source performance standards. Any new source subject to this subchapter may not discharge process wastewater pollutants to waters of the state.

NR 297.033 History History: Cr. Register, April, 1989, No. 400, eff. 5-1-89.

NR 297.034 NR 297.034 Pretreatment standards for existing sources. Any existing source subject to this subchapter which introduces pollutants into a POTW shall comply with ch. NR 211.

NR 297.034 History History: Cr. Register, April, 1989, No. 400, eff. 5-1-89.

NR 297.035 NR 297.035 Pretreatment standards for new sources. Any new source subject to this subchapter which introduces pollutants into a POTW shall comply with ch. NR 211.

NR 297.035 History History: Cr. Register, April, 1989, No. 400, eff. 5-1-89.

subch. IV of ch. NR 297 Subchapter IV - Dry Process Hardboard Subcategory

NR 297.04 NR 297.04 Applicability; description of the dry process hardboard subcategory. This subchapter applies to the discharge of pollutants to waters of the state and the introduction of pollutants into POTWs from any plant which produces hardboard using the dry matting process for forming the board mat.

NR 297.04 History History: Cr. Register, April, 1989, No. 400, eff. 5-1-89.

NR 297.041 NR 297.041 Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available. Except as provided in 40 CFR 125.30 to 125.32, any existing point source subject to this subchapter may not discharge process wastewater pollutants into waters of the state.

NR 297.041 History History: Cr. Register, April, 1989, No. 400, eff. 5-1-89.

NR 297.042 NR 297.042 Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable. Except as provided in 40 CFR 125.30 to 125.32, any existing point source subject to this subchapter may not discharge process wastewater pollutants into waters of the state.

NR 297.042 History History: Cr. Register, April, 1989, No. 400, eff. 5-1-89.

NR 297.043 NR 297.043 New source performance standards. Any new source subject to this subchapter may not discharge process wastewater pollutants to waters of the state.

NR 297.043 History History: Cr. Register, April, 1989, No. 400, eff. 5-1-89.

NR 297.044 NR 297.044 Pretreatment standards for existing sources. Any existing source subject to this subchapter which introduces pollutants into a POTW shall comply with ch. NR 211.

NR 297.044 History History: Cr. Register, April, 1989, No. 400, eff. 5-1-89.

NR 297.045 NR 297.045 Pretreatment standards for new sources. Any new source subject to this subchapter which introduces pollutants into a POTW shall comply with ch. NR 211.

NR 297.045 History History: Cr. Register, April, 1989, No. 400, eff. 5-1-89.

subch. V of ch. NR 297 Subchapter V - Wet Process Hardboard Subcategory

NR 297.05 NR 297.05 Applicability; description of the wet process hardboard subcategory. This subchapter applies to the discharge of pollutants to waters of the state and the introduction of pollutants into POTWs from any plant which produces hardboard products using the wet matting process for forming the board mat.

NR 297.05 History History: Cr. Register, April, 1989, No. 400, eff. 5-1-89.

NR 297.051 NR 297.051 Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available. Except as provided in 40 CFR 125.30 to 125.32, any existing point source subject to this subchapter shall achieve the following effluent limitations representing the degree of effluent reduction attainable by application of BPT:

NR 297.051 History History: Cr. Register, April, 1989, No. 400, eff. 5-1-89.

NR 297.053 NR 297.053 New source performance standards.

NR 297.053(1) (1) For purposes of the wet process subcategory only, “new source” means a source which is constructed at a site which has no other source covered by this chapter.