Register, August, 1993, No. 452
Chapter NR 235
ORGANIC CHEMICAL MANUFACTURING
Subchapter I - General Provisions
NR 235.04 Compliance dates.
Subchapter II - Rayon Fibers
NR 235.10 Applicability; description of the rayon fibers subcategory.
NR 235.11 Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
NR 235.12 Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
NR 235.13 New source performance standards (NSPS).
NR 235.14 Pretreatment standards for existing sources (PSES).
NR 235.15 Pretreatment standards for new sources (PSNS).
Subchapter III - Other Fibers
NR 235.20 Applicability; description of the other fibers category.
NR 235.21 Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
NR 235.22 Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
NR 235.23 New source performance standards (NSPS).
NR 235.24 Pretreatment standards for existing sources (PSES).
NR 235.25 Pretreatment standards for new sources (PSNS).
Subchapter IV - Thermoplastic Resins
NR 235.30 Applicability; description of the thermoplastic resins subcategory.
NR 235.31 Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
NR 235.32 Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
NR 235.33 New source performance standards (NSPS).
NR 235.34 Pretreatment standards for existing sources (PSES).
NR 235.35 Pretreatment standards for new sources (PSNS).
Subchapter V - Thermosetting Resins
NR 235.40 Applicability; description of the thermosetting resins subcategory.
NR 235.41 Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
NR 235.42 Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
NR 235.43 New source performance standards (NSPS).
NR 235.44 Pretreatment standards for existing sources (PSES).
NR 235.45 Pretreatment standards for new sources (PSNS).
Subchapter VI - Commodity Organic Chemicals
NR 235.50 Applicability; description of the commodity organic chemicals subcategory.
NR 235.51 Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
NR 235.52 Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
NR 235.53 New source performance standards (NSPS).
NR 235.54 Pretreatment standards for existing sources (PSES).
NR 235.55 Pretreatment standards for new sources (PSNS).
Subchapter VII - Bulk Organic Chemicals
NR 235.60 Applicability; description of the bulk organic chemicals subcategory.
NR 235.61 Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
NR 235.62 Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
NR 235.63 New source performance standards (NSPS).
NR 235.64 Pretreatment standards for existing sources (PSES).
NR 235.65 Pretreatment standards for new sources (PSNS).
Subchapter VIII - Specialty Organic Chemicals
NR 235.70 Applicability; description of the specialty organic chemicals subcategory.
NR 235.71 Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
NR 235.72 Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
NR 235.73 New source performance standards (NSPS).
NR 235.74 Pretreatment standards for existing sources (PSES).
NR 235.75 Pretreatment standards for new sources (PSNS).
Subchapter IX - Direct Discharge Point Sources That Use End-Of-Pipe Biological Treatment
NR 235.80 Applicability; description of the subcategory of direct discharge point sources that use end-of-pipe biological treatment.
NR 235.81 Toxic pollutant effluent limitations and standards for direct discharge point sources that use end-of-pipe biological treatment.
Subchapter X - Direct Discharge Point Sources That Do Not Use End-of-Pipe Biological Treatment
NR 235.90 Applicability; description of the subcategory of direct discharge point sources that do not use end-of-pipe biological treatment.
NR 235.91 Toxic pollutant effluent limitations and standards for direct discharge point sources that do not use end-of-pipe biological treatment.
Subchapter XI - Indirect Discharge Point Sources
NR 235.98 Applicability; description of the subcategory of indirect discharge point sources.
NR 235.99 Toxic pollutant standards for indirect discharge point sources.
Ch. NR 235 Note
Note: Chapter NR 235 as it existed on March 31, 1997, was repealed and a new chapter NR 235 was created, Register, March, 1997, No. 495, eff. 4-1-97. NR 235.01
NR 235.01
Purpose. The purpose of this chapter is to establish effluent limitations, performance standards and pretreatment standards for discharges of process wastes from the organic chemicals, plastics and synthetic fibers point source category and its subcategories.
NR 235.01 History
History: Cr. Register, March, 1997, No. 495, eff. 4-1-97. NR 235.02(1)(1) This chapter applies to process wastewater discharges from all facilities or portions of facilities that manufacture the organic chemicals, plastics and synthetic fibers (OCPSF) products or product groups covered by
subchs. II to
VIII and are included within the following U.S. department of commerce bureau of the census standard industrial classification (SIC) groups:
NR 235.02(1)(a)
(a) SIC 2821 - Plastic materials, synthetic resins and nonvulcanizable elastomers.
