Register, August, 1993, No. 452
Chapter NR 257
ALUMINUM FORMING
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 257.01
NR 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 History
History: Cr.
Register, November, 1989, No. 407, eff. 12-1-89.
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.
