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NR 256.40 History History: Cr. Register, June, 1989, No. 402, eff. 7-1-89,
NR 256.42 NR 256.42  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, including noncontinuous direct dischargers, shall achieve the following BPT effluent limitations: - See PDF for table PDF
NR 256.42 Note (1) These concentrations shall be multiplied by the ratio of (5.35/x) where x is the actual normalized process wastewater discharge flow (in gallons per 1,000 pounds of metal poured) for a specific plant.

(2) kg/1,000 kkg (pounds per million pounds) of metal poured

(3) Within the range of 7.0 to 10.0 at all times - See PDF for table PDF
NR 256.42 Note (1) These concentrations shall be multiplied by the ratio of (1.04/x) where x is the actual normalized process wastewater discharge flow (in gallons per 1,000 pounds of metal poured) for a specific plant.

(2) kg/1,000 kkg (pounds per million pounds) of metal poured

(3) Within the range of 7.0 to 10.0 at all times - See PDF for table PDF
NR 256.42 Note (1) These concentrations shall be multiplied by the ratio of (0.243/x) where x is the actual normalized process wastewater discharge flow (in gallons per 1,000 SCF of air scrubbed) for a specific plant.

(2) kg/62.3 million Sm3 (pounds per billion SCF) of air scrubbed

(3) Within the range of 7.0 to 10.0 at all times - See PDF for table PDF
NR 256.42 Note (1) These concentrations shall be multiplied by the ratio of (47.3/x) where x is the actual normalized process wastewater discharge flow (in gallons per 1,000 pounds of metal poured) for a specific plant.

(2) kg/1,000 kkg (pounds per million pounds) of metal poured

(3) Within the range of 7.0 to 10.0 at all times
NR 256.42 History History: Cr. Register, June, 1989, No. 402, eff. 7-1-89.
NR 256.43 NR 256.43  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, including noncontinuous direct dischargers, shall achieve the following BAT effluent limitations: - See PDF for table PDF
NR 256.43 Note (1) These concentrations shall be multiplied by the ratio of (5.34/x) where x is the actual normalized process wastewater discharge flow (in gallons per 1,000 pounds of metal poured) for a specific plant.

(2) kg/1,000 kkg (pounds per million pounds) of metal poured
- See PDF for table PDF
NR 256.43 Note (1) These concentrations shall be multiplied by the ratio of (1.04/x) where x is the actual normalized process wastewater discharge flow (in gallons per 1,000 pounds of metal poured) for a specific plant.

(2) kg/1,000 kkg (pounds per million pounds) of metal poured. - See PDF for table PDF
NR 256.43 Note (1) These concentrations shall be multiplied by the ratio of (0.243/x) where x is the actual normalized process wastewater discharge flow (in gallons per 1,000 SCF of air scrubbed) for a specific plant.

(2) kg/62.3 million Sm3 (pounds per billion SCF) of air scrubbed. - See PDF for table PDF
NR 256.43 Note (1) These concentrations shall be multiplied by the ratio of (47.3/x) where x is the actual normalized process wastewater discharge flow (in gallons per 1,000 pounds of metal poured) for a specific plant.

(2) kg/1,000 kkg (pounds per million pounds) of metal poured.
NR 256.43 History History: Cr. Register, June, 1989, No. 402, eff. 7-1-89.
NR 256.44 NR 256.44  New source performance standards. Any new source subject to this subchapter, including noncontinuous direct dischargers, shall achieve the following standards: - See PDF for table PDF
NR 256.44 Note (1) These concentrations shall be multiplied by the ratio of (5.34/x) where x is the actual normalized process wastewater discharge flow (in gallons per 1,000 pounds of metal poured) for a specific plant.

(2) kg/1,000 kkg (pounds per million pounds) of metal poured

(3) Within the range of 7.0 to 10.0 at all times - See PDF for table PDF
NR 256.44 Note (1) These concentrations shall be multiplied by the ratio of (1.04/x) where x is the actual normalized process wastewater discharge flow (in gallons per 1,000 pounds of metal poured) for a specific plant.

(2) kg/1,000 kkg (pounds per million pounds) of metal poured

(3) Within the range of 7.0 to 10.0 at all times - See PDF for table PDF
NR 256.44 Note (1) These concentrations shall be multiplied by the ratio of (0.243/x) where x is the actual normalized process wastewater discharge flow (in gallons per 1,000 SCF of air scrubbed) for a specific plant.

(2) kg/62.3 million Sm3 (pounds per billion SCF) of air scrubbed

(3) Within the range of 7.0 to 10.0 at all times - See PDF for table PDF
NR 256.44 Note (1) These concentrations shall be multiplied by the ratio of (47.3/x) where x is the actual normalized process wastewater discharge flow (in gallons per 1,000 pounds of metal poured) for a specific plant.

(2) kg/1,000 kkg (pounds per million pounds) of metal poured

(3) Within the range of 7.0 to 10.0 at all times
NR 256.44 History History: Cr. Register, June, 1989, No. 402, eff. 7-1-89.
NR 256.45 NR 256.45  Pretreatment standards for existing sources. Except as provided in ss. NR 211.13 and 211.14 any existing source subject to this subchapter which introduces pollutants into a publicly owned treatment works shall comply with ch. NR 211 and achieve the following pretreatment for existing sources: - See PDF for table PDF
NR 256.45 Note (2) TTO is comprised of the following toxic organic pollutants:
  2,4,6-trichlorophenol
  para-chloro meta-cresol
  2,4-dichlorophenol
  2,4-dimethylphenol
  fluoranthene
  methylene chloride (dichloromethane)
  phenol
  bis(2-ethylhexyl) phthalate
  di-n-butyl phthalate
  diethyl phthalate
  tetrachloroethylene

(2) Use as alternative to monitoring for TTO. - See PDF for table PDF
NR 256.45 Note (1) TTO is comprised of the following toxic organic pollutants:
  acenaphthene
  2,4,6-trichlorophenol
  para-chloro meta-cresol
  2-chlorophenol
  2,4-dimethylphenol
  methylene chloride (dichloromethane)
  naphthalene
  phenol
  bis(2-ethylhexyl) phthalate
  di-n-butyl phthalate
  diethyl phthalate
  tetrachloroethylene
  toluene
  trichloroethylene
NR 256.45 Note (2)Use as alternative to monitoring for TTO. - See PDF for table PDF
NR 256.45 Note (1) TTO is comprised of the following toxic organic pollutants:
  2,4-dichlorophenol
  2,4-dimethylphenol
  fluoranthene
  methylene chloride (dichloromethane)
  naphthalene
  phenol
  bis(2-ethylhexyl) phthalate
  di-n-butyl phthalate
  tetrachloroethylene
  toluene
  trichloroethylene
NR 256.45 Note (2)Use as alternative to monitoring for TTO - See PDF for table PDF
NR 256.45 Note (1) TTO is comprised of the toxic organic pollutants listed in Table 83.
(2) Use as alternative to monitoring for TTO
NR 256.45 History History: Cr. Register, June, 1989, No. 402, eff. 7-1-89.
NR 256.46 NR 256.46  Pretreatment standards for new sources. Except as provided in s. NR 211.13, any new source subject to this subchapter which introduces pollutants into publicly owned treatment works shall comply with ch. NR 211 and achieve the pretreatment standards contained in s. NR 256.45.
NR 256.46 History History: Cr. Register, June, 1989, No. 402, eff. 7-1-89.
NR 256.46 Note Note: The citations of the Wisconsin administrative code correspond to provisions of the code of federal regulations as cross-referenced in the following table: - See PDF for table PDF
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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.