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Register September 1997 No. 501
Chapter NR 257
ALUMINUM FORMING
NR 257.01   Purpose.
NR 257.02   Applicability.
NR 257.03   General definitions.
NR 257.04   Monitoring and reporting requirements.
NR 257.05   Compliance dates.
NR 257.06   Removal allowances for pretreatment standards.
Subchapter I — Rolling With Neat Oils Subcategory
NR 257.10   Applicability; description of the rolling with neat oils subcategory.
NR 257.11   Specialized definitions.
NR 257.12   Effluent limitations representing the degree of effluent reduction attainable by application of the best practicable control technology currently available.
NR 257.13   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
NR 257.14   New source performance standards.
NR 257.15   Pretreatment standards for existing sources.
NR 257.16   Pretreatment standards for new sources.
Subchapter II — The Rolling With Emulsions Subcategory
NR 257.20   Applicability; description of the rolling with emulsions subcategory.
NR 257.21   Specialized definitions.
NR 257.22   Effluent limitations representing the degree of effluent reduction attainable by application of the best practicable control technology currently available.
NR 257.23   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
NR 257.24   New source performance standards.
NR 257.25   Pretreatment standards for existing sources.
NR 257.26   Pretreatment standards for new sources.
Subchapter III — The Extrusion Subcategory
NR 257.30   Applicability; description of the extrusion subcategory.
NR 257.31   Specialized definitions.
NR 257.32   Effluent limitations representing the degree of effluent reduction attainable by application of the best practicable control technology currently available.
NR 257.33   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
NR 257.34   New source performance standards.
NR 257.35   Pretreatment standards for existing sources.
NR 257.36   Pretreatment standards for new sources.
Subchapter IV — The Forging Subcategory
NR 257.40   Applicability; description of the forging subcategory.
NR 257.41   Specialized definitions.
NR 257.44   New source performance standards.
NR 257.45   Pretreatment standards for existing sources.
NR 257.46   Pretreatment standards for new sources.
Subchapter V — The Drawing With Neat Oils Subcategory
NR 257.50   Applicability; description of the drawing with neat oils subcategory.
NR 257.51   Specialized definitions.
NR 257.52   Effluent limitations representing the degree of effluent reduction attainable by application of the best practicable control technology currently available.
NR 257.53   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
NR 257.54   New source performance standards.
NR 257.55   Pretreatment standards for existing sources.
NR 257.56   Pretreatment standards for new sources.
Subchapter VI — The Drawing With Emulsions or Soaps Subcategory
NR 257.60   Applicability; description of the drawing with emulsions or soaps subcategory.
NR 257.61   Specialized definitions.
NR 257.62   Effluent limitations representing the degree of effluent reduction attainable by application of the best practicable control technology currently available.
NR 257.63   Effluent limitations representing the degree of effluent reduction attainable by the application of best available technology economically achievable.
NR 257.64   New source performance standards.
NR 257.65   Pretreatment standards for existing sources.
NR 257.66   Pretreatment standards for new sources.
NR 257.01NR 257.01 Purpose. The purpose of this chapter is to establish effluent limitations, performance standards, and pretreatment standards for the discharge of process wastes from the aluminum forming point source category and its subcategories.
NR 257.01 HistoryHistory: Cr. Register, November, 1989, No. 407, eff. 12-1-89.
NR 257.02NR 257.02 Applicability.
NR 257.02(1)(1) This chapter applies to any aluminum forming facility which discharges or may discharge pollutants to waters of the state or which introduces or may introduce pollutants into a publicly owned treatment works.
NR 257.02(2)(2) This chapter applies to chemical or electrochemical treatments applied to the surface of the aluminum when these surface treatments are performed at [the] aluminum forming site. When these surface treatments are not performed at the aluminum forming site, regulations for electroplating, ch. NR 260, or metal finishing, ch. NR 261, apply.
NR 257.02(3)(3) This chapter applies to aluminum casting when the casting is performed as an integral part of aluminum forming and is located at the aluminum forming site. When aluminum forming is performed on the same site as primary aluminum reduction, this chapter applies if the aluminum cools prior to casting. If the aluminum does not cool prior to casting, the regulations for nonferrous metals manufacturing, ch. NR 274, apply.
NR 257.02 HistoryHistory: Cr. Register, November, 1989, No. 407, eff. 12-1-89.
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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.