(1) At or before the commingling of delacquering scrubber liquor blowdown with other process or nonprocess waters. - See PDF for table PDF - See PDF for table PDF - See PDF for table PDF - See PDF for table PDF - See PDF for table PDF
NR 274.033 History History: Cr. Register, March, 1991, No. 423, eff. 4-1-91.
NR 274.034 NR 274.034New source performance standards. Any new source subject to this subchapter shall achieve the following standards: - See PDF for table PDF
(1) Within the range of 7.0 to 10.0 at all times. - See PDF for table PDF
(1) Within the range of 7.0 to 10.0 at all times. - See PDF for table PDF
(1) Within the range of 7.0 to 10.0 at all times. - See PDF for table PDF
(1) Within the range of 7.0 to 10.0 at all times. - See PDF for table PDF
(1) At or before the commingling of delacquering scrubber liquor blowdown with other process or nonprocess waters.
(2) Within the range of 7.0 to 10.0 at all times. - See PDF for table PDF
(1) Within the range of 7.0 to 10.0 at all times. - See PDF for table PDF
(1) Within the range of 7.0 to 10.0 at all times. - See PDF for table PDF
(1) Within the range of 7.0 to 10.0 at all times. - See PDF for table PDF
(1) Within the range of 7.0 to 10.0 at all times. - See PDF for table PDF
(1) Within the range of 7.0 to 10.0 at all times.
NR 274.034 History History: Cr. Register, March, 1991, No. 423, eff. 4-1-91.
NR 274.035 NR 274.035Pretreatment standards for existing sources. Except as provided in ss. NR 211.13 and 211.14, any new [existing] source subject to the secondary aluminum smelting subchapter which introduces pollutants into a POTW shall comply with ch. NR 211 and achieve the following PSES: - See PDF for table PDF - See PDF for table PDF - See PDF for table PDF - See PDF for table PDF - See PDF for table PDF
(1) At or before the commingling of delacquering scrubber liquor blowdown with other process or nonprocess waters. - See PDF for table PDF - See PDF for table PDF - See PDF for table PDF - See PDF for table PDF - See PDF for table PDF
NR 274.035 History History: Cr. Register, March, 1991, No. 423, eff. 4-1-91.
NR 274.036 NR 274.036Pretreatment standards for new sources. Except as provided in s. NR 211.13, any new source subject to the secondary aluminum smelting subchapter which introduces pollutants into a POTW shall comply with ch. NR 211 and achieve the following PSNS: - See PDF for table PDF - See PDF for table PDF - See PDF for table PDF - See PDF for table PDF - See PDF for table PDF
(1) At or before the commingling of delacquering scrubber liquor blowdown with other process or nonprocess waters. - See PDF for table PDF - See PDF for table PDF - See PDF for table PDF - See PDF for table PDF - See PDF for table PDF
NR 274.036 History History: Cr. Register, March, 1991, No. 423, eff. 4-1-91.
subch. IV of ch. NR 274 Subchapter IV — Primary Copper Smelting
NR 274.04 NR 274.04Applicability; description of the primary copper smelting subcategory. This subchapter applies to the discharge of pollutants to waters of the state and the introduction of pollutants into POTWs from the primary smelting of copper from ore or ore concentrates by processes such as roasting, converting, leaching if preceded by a pyrometallurgical step, slag granulation and dumping, and fire refining and from the casting of products from these operations.
NR 274.04 History History: Cr. Register, March, 1991, No. 423, eff. 4-1-91.
NR 274.041 NR 274.041Specialized definitions. The following definitions apply to the terms used in this subchapter:
NR 274.041(1) (1) “Within the impoundment,” for purposes of calculating the volume of process wastewater which may be discharged, has the following meanings:
NR 274.041(1)(a) (a) If the impoundment was constructed prior to February 27, 1975, “within the impoundment” means the surface area within the impoundment at the maximum capacity plus the surface area of the inside and outside slopes of the impoundment dam and the surface area between the outside edge of the impoundment dam and any seepage ditch adjacent to the dam upon which rain falls and is returned to the impoundment, but the surface area allowance for external appurtenances to the impoundment may not be more than 30% of the water surface area within the impoundment dam at maximum capacity.
NR 274.041(1)(b) (b) If the impoundment was constructed on or after February 27, 1975, “within the impoundment” means the water surface area within the impoundment at maximum capacity.
NR 274.041 History History: Cr. Register, March, 1991, No. 423, eff. 4-1-91.
NR 274.0415 NR 274.0415Combining waste streams. If the waste streams subject to this subchapter are combined for treatment or discharge with waste streams subject to the primary electrolytic copper refining subchapter or the metallurgical acid plant subchapter, the quantity of each pollutant or pollutant property discharged may not exceed the quantity of each pollutant or pollutant property which could be discharged if each waste stream was discharged separately.
NR 274.0415 History History: Cr. Register, March, 1991, No. 423, eff. 4-1-91.
NR 274.042 NR 274.042Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
NR 274.042(1)(1) Except as provided in 40 CFR 125.30 to 125.32 and sub. (2), any existing point source subject to this primary copper smelting subchapter may not discharge process wastewater pollutants to waters of the state.
NR 274.042(2) (2) A process wastewater impoundment which is designed, constructed, and operated to contain the precipitation from the 10-year, 24-hour rainfall event as established for the impoundment's location by the national climatic center, national oceanic and atmospheric administration, may discharge a volume of process wastewater equivalent to the volume of precipitation which falls within the impoundment in excess of the precipitation attributable to the 10-year, 24-hour rainfall event, when such an event occurs.
NR 274.042 History History: Cr. Register, March, 1991, No. 423, eff. 4-1-91.
NR 274.043 NR 274.043Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
NR 274.043(1)(1) Except as provided in 40 CFR 125.30 to 125.32 and sub. (2), any existing point source subject to this subchapter may not discharge process wastewater pollutants into waters of the state.
NR 274.043(2) (2) A process wastewater impoundment which is designed, constructed, and operated to contain the precipitation from the 25-year, 24-hour rainfall event as established for the impoundment's location by the national climatic center, national oceanic and atmospheric administration, may discharge a volume of process wastewater equivalent to the volume of precipitation which falls within the impoundment in excess of the precipitation attributable to the 25-year, 24-hour rainfall event, when such an event occurs.
NR 274.043 History History: Cr. Register, March, 1991, No. 423, eff. 4-1-91.
NR 274.044 NR 274.044New source performance standards. Any new source subject to this subchapter may not discharge process wastewater pollutants into waters of the state.
NR 274.044 History History: Cr. Register, March, 1991, No. 423, eff. 4-1-91.
NR 274.046 NR 274.046Pretreatment standards for new sources. Except as provided in s. NR 211.13, any new source subject to this subchapter which introduces pollutants into a POTW shall comply with ch. NR 211 and may not discharge process wastewater pollutants to a POTW.
NR 274.046 History History: Cr. Register, March, 1991, No. 423, eff. 4-1-91.
subch. V of ch. NR 274 Subchapter V — Primary Electrolytic Copper Refining
NR 274.05 NR 274.05Applicability; description of the primary electrolytic copper refining subcategory. This subchapter applies to the discharge of pollutants to waters of the state and the introduction of pollutants into POTWs from the electrolytic refining of primary copper, such as anode casting performed at refineries which are not located on-site with a smelter, product casting, and byproduct recovery.
NR 274.05 History History: Cr. Register, March, 1991, No. 423, eff. 4-1-91.
NR 274.052 NR 274.052Effluent 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: - See PDF for table PDF
(1) Within the range of 6.0 to 9.0.
NR 274.052 History History: Cr. Register, March, 1991, No. 423, eff. 4-1-91.
NR 274.053 NR 274.053Effluent 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 shall achieve the following effluent limitations representing the degree of effluent reduction attainable by application of BAT: - See PDF for table PDF - See PDF for table PDF - See PDF for table PDF - See PDF for table PDF - See PDF for table PDF
NR 274.053 History History: Cr. Register, March, 1991, No. 423, eff. 4-1-91.
NR 274.054 NR 274.054New source performance standards. Any new source subject to this subchapter shall achieve the following standards: - See PDF for table PDF
(1) Within the range of 7.5 to 10.0 at all times. - See PDF for table PDF
(1) Within the range of 7.5 to 10.0 at all times. - See PDF for table PDF
(1) Within the range of 7.5 to 10.0 at all times. - See PDF for table PDF
(1) Within the range of 7.5 to 10.0 at all times. - See PDF for table PDF
(1) Within the range of 7.5 to 10.0 at all times.
NR 274.054 History History: Cr. Register, March, 1991, No. 423, eff. 4-1-91.
NR 274.056 NR 274.056Pretreatment standards for new sources. Except as provided in s. NR 211.13, any new source subject to this subchapter which introduces pollutants into a POTW shall comply with ch. NR 211 and achieve the following PSNS: - See PDF for table PDF - See PDF for table PDF - See PDF for table PDF - See PDF for table PDF - See PDF for table PDF
NR 274.056 History History: Cr. Register, March, 1991, No. 423, eff. 4-1-91.
subch. VI of ch. NR 274 Subchapter VI — Secondary Copper
NR 274.06 NR 274.06Applicability; description of the secondary copper subcategory. This subchapter applies to the discharge of pollutants to waters of the state and the introduction of pollutants into POTWs from the recovery, processing and remelting of new and used copper scrap and residues to produce copper metal and copper alloys, except for continuous rod casting.
NR 274.06 History History: Cr. Register, March, 1991, No. 423, eff. 4-1-91.
NR 274.061 NR 274.061Specialized definitions. The following definitions apply to the terms used in this subchapter:
NR 274.061(2) (2) “Within the impoundment,” for purposes of calculating the volume of process wastewater which may be discharged, means the following:
NR 274.061(2)(a) (a) For all impoundments constructed prior to April 23, 1984, “within the impoundment” means the water surface area within the impoundment at the maximum capacity plus the surface area of the inside and outside slopes of the impoundment dam and the surface area between the outside edge of the impoundment dam and any seepage ditch immediately adjacent to the dam upon which rain falls and is returned to the impoundment, but the surface area allowance for external appurtenances to the impoundment shall not be more than 30% of the water surface area within the impoundment dam at maximum capacity.
NR 274.061(2)(b) (b) For all impoundments constructed on or after April 23, 1984, “within the impoundment” means the water surface area within the impoundment at the maximum capacity.
NR 274.061(3) (3) “Pond water surface area,” for the purpose of calculating the volume of wastewater which may be discharged, means the water surface area of the pond created by the impoundment for storage of process wastewater at normal operating level, but not less than one third of the surface area of the maximum amount of water which could be contained by the impoundment.
NR 274.061(4) (4) “Normal operating level” means the average level of the pond during the preceding calendar month.
NR 274.061 History History: Cr. Register, March, 1991, No. 423, eff. 4-1-91.
NR 274.062 NR 274.062Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
NR 274.062(1)(1) Except as provided in 40 CFR 125.30 to 125.32 and subs. (2) and (3), any existing point source subject to this subchapter may not discharge process wastewater pollutants to waters of the state.
NR 274.062(2) (2) A process wastewater impoundment which is designed, constructed and operated to contain the precipitation from the 10-year, 24-hour rainfall event as established for the impoundment's location by the national climatic center, national oceanic and atmospheric administration, may discharge a volume of process wastewater equivalent to the volume of precipitation which falls within the impoundment in excess of the precipitation attributable to the 10-year, 24-hour rainfall event, when such an event occurs.
NR 274.062(3) (3) During any calendar month, a process wastewater impoundment may discharge from the overflow a volume equivalent to whatever is the greatest of the following:
NR 274.062(3)(a) (a) The difference between the precipitation for that month which falls within the impoundment and the evaporation from the impoundment for that month; or
NR 274.062(3)(b) (b) The difference between the mean precipitation for that month which falls within the impoundment and the mean evaporation for that month as established for the impoundment's location by the national climatic center, national oceanic and atmospheric administration or as otherwise established if no monthly evaporation has been determined by the national climatic center.
NR 274.062(3)(c) (c) Any process wastewater discharge according to this subsection shall comply with the following limitations: - See PDF for table PDF
(1) Within the range of 6.0 to 9.0.
NR 274.062 History History: Cr. Register, March, 1991, No. 423, eff. 4-1-91.
NR 274.063 NR 274.063Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
NR 274.063(1)(1) Except as provided in 40 CFR 125.30 to 125.32 and sub. (2), any existing point source subject to this subchapter may not discharge process wastewater pollutants into waters of the state.
NR 274.063(2) (2) A process wastewater impoundment which is designed, constructed and operated to contain the precipitation from the 25-year, 24-hour rainfall event as established for the impoundment's location by the national climatic center, national oceanic and atmospheric administration, may discharge a volume of process wastewater equivalent to the volume of precipitation which falls within the impoundment in excess of the precipitation attributable to the 25-year, 24-hour rainfall event, when such an event occurs.
NR 274.063 History History: Cr. Register, March, 1991, No. 423, eff. 4-1-91.
NR 274.064 NR 274.064New source performance standards. Any new source subject to this subchapter may not discharge process wastewater pollutants into waters of the state.
NR 274.064 History History: Cr. Register, March, 1991, No. 423, eff. 4-1-91.
NR 274.065 NR 274.065Pretreatment standards for existing sources.
NR 274.065(1)(1) Except as provided in ss. NR 211.13 and 211.14 and sub. (2), any existing source subject to this subchapter which introduces pollutants into a POTW shall comply with ch. NR 211 and may not discharge process wastewater pollutants into a POTW.
NR 274.065(2) (2) A process wastewater impoundment which is designed, constructed, and operated to contain the precipitation from the 25-year, 24-hour rainfall event as established for the impoundment's location by the national climatic center, national oceanic and atmospheric administration, may discharge a volume of process wastewater equivalent to the volume of precipitation which falls within the impoundment in excess of the precipitation attributable to the 25-year, 24-hour rainfall event, when such an event occurs.
NR 274.065 History History: Cr. Register, March, 1991, No. 423, eff. 4-1-91.
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Published under s. 35.93, Stats. Updated on the first day of each month. Entire code is always current. The Register date on each page is the date the chapter was last published.