NR 235.03(7)
(7) “SIC” means U.S. department of commerce bureau of the census standard industrial classification.
NR 235.03 History
History: Cr. Register, March, 1997, No. 495, eff. 4-1-97. NR 235.04(1)(1) Any existing source subject to this chapter which discharges to waters of the state shall achieve:
NR 235.04(1)(a)
(a) The effluent limitations representing BPT by July 1, 1977; and
NR 235.04(1)(b)
(b) The effluent limitations representing BAT by July 1, 1984.
NR 235.04(2)
(2) Any new source subject to this chapter which discharges to waters of the state shall achieve NSPS at the commencement of discharge.
NR 235.04(3)
(3) Any existing source subject to this chapter which introduces process wastewater pollutants into a POTW shall achieve PSES by the date for each parameter as listed in the following tables:
-
See PDF for table 
-
See PDF for table NR 235.04(4)
(4) Any new source subject to this chapter which introduces process wastewater pollutants into a POTW shall achieve PSNS at the commencement of discharge.
NR 235.04 History
History: Cr. Register, March, 1997, No. 495, eff. 4-1-97. NR 235.10
NR 235.10
Applicability; description of the rayon fibers subcategory. This subchapter applies to process wastewater discharges resulting from the manufacture of rayon fiber by the viscose process only.
NR 235.10 History
History: Cr. Register, March, 1997, No. 495, eff. 4-1-97. NR 235.11
NR 235.11
Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT). Except as provided in
40 CFR 125.30 to
125.32, and in
s. NR 235.02 (9) for point sources with production in 2 or more subcategories, any existing point source subject to this subchapter shall achieve the following limitations:
NR 235.11(1)
(1) Limitations shall be calculated by multiplying the following concentrations by the manufacturing process wastewater flow:
-
See PDF for table NR 235.11(2)
(2) The pH shall be within the range of 6.0 to 9.0 at all times.
NR 235.11 History
History: Cr. Register, March, 1997, No. 495, eff. 4-1-97. NR 235.12
NR 235.12
Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT). NR 235.12(1)(1) For existing point sources whose total OCPSF production defined by
s. NR 235.02 is less than or equal to 5 million pounds of OCPSF products per year, the BAT level of treatment shall be the same as the BPT level of treatment.
NR 235.12(2)
(2) Except as provided in
sub. (1) and in
40 CFR 125.30 to
125.32, any existing point source that uses end-of-pipe biological treatment and is subject to this subchapter shall achieve discharges in accordance with
s. NR 235.81.
NR 235.12(3)
(3) Except as provided in
sub. (1) and in
40 CFR 125.30 to
125.32, any existing point source that does not use end-of-pipe biological treatment and is subject to this subchapter shall achieve discharges in accordance with
s. NR 235.91.
NR 235.12 History
History: Cr. Register, March, 1997, No. 495, eff. 4-1-97. NR 235.13
NR 235.13
New source performance standards (NSPS). NR 235.13(1)(1) Any new source that uses end-of-pipe biological treatment and is subject to this subchapter:
NR 235.13(2)
(2) Any new source that does not use end-of-pipe biological treatment and is subject to this section:
NR 235.13 History
History: Cr. Register, March, 1997, No. 495, eff. 4-1-97. NR 235.14
NR 235.14
Pretreatment standards for existing sources (PSES). Except as provided in
ss. NR 211.13 and
211.14, any existing source subject to this subchapter which introduces pollutants into a POTW shall comply with
ch. NR 211 and achieve discharges in accordance with
s. NR 235.99.
NR 235.14 History
History: Cr. Register, March, 1997, No. 495, eff. 4-1-97. NR 235.15
NR 235.15
Pretreatment standards for new sources (PSNS). 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 discharges in accordance with
s. NR 235.99.
NR 235.15 History
History: Cr. Register, March, 1997, No. 495, eff. 4-1-97. NR 235.20
NR 235.20
Applicability; description of the other fibers category. This subchapter applies to the process wastewater discharges resulting from the manufacture of products classified under SIC 2823 cellulosic man-made fibers, except rayon, and SIC 2824 synthetic organic fibers including the following fibers and fiber groups. Product groups are indicated with an asterisk.
*Acrylic fibers (85% polyacrylonitrile)
*Cellulose acetate fibers
*Fluorocarbon (Teflon) fibers
*Modacrylic fibers
*Nylon 6 fibers
Nylon 6 monofilament
*Nylon 66 fibers
Nylon 66 monofilament
*Polyamide fibers (Quiana)
*Polyaramid (Kevlar) resin-fibers
*Polyaramid (Nomex) resin-fibers
*Polyester fibers
*Polyethylene fibers
*Polypropylene fibers
*Polyurethane fibers (Spandex)
NR 235.20 History
History: Cr. Register, March, 1997, No. 495, eff. 4-1-97. NR 235.21
NR 235.21
Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT). Except as provided in
40 CFR 125.30 to
125.32, and in
s. NR 235.02 (9) for point sources with production in 2 or more subcategories, any existing point source subject to this section shall achieve the following limitations:
NR 235.21(1)
(1) Limitations shall be calculated by multiplying the following concentrations by the manufacturing process wastewater flow:
-
See PDF for table NR 235.21(2)
(2) The pH shall be within the range of 6.0 to 9.0 at all times.
NR 235.21 History
History: Cr. Register, March, 1997, No. 495, eff. 4-1-97. NR 235.22
NR 235.22
Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT). NR 235.22(1)(1) For existing point sources whose total OCPSF production defined by
s. NR 235.02 is less than or equal to 5 million pounds of OCPSF products per year, the BAT level of treatment shall be the same as the BPT level of treatment.
NR 235.22(2)
(2) Except as provided in
sub. (1) and in
40 CFR 125.30 to
125.32, any existing point source that uses end-of-pipe biological treatment and is subject to this subchapter shall achieve discharges in accordance with
s. NR 235.81.
NR 235.22(3)
(3) Except as provided in
sub. (1) and in
40 CFR 125.30 to
125.32, any existing point source that does not use end-of-pipe biological treatment and is subject to this subchapter shall achieve discharges in accordance with
s. NR 235.91.
NR 235.22 History
History: Cr. Register, March, 1997, No. 495, eff. 4-1-97. NR 235.23
NR 235.23
New source performance standards (NSPS). NR 235.23(1)(1) Any new source that uses end-of-pipe biological treatment and is subject to this subchapter:
NR 235.23(2)
(2) Any new source that does not use end-of-pipe biological treatment and is subject to this section:
NR 235.23 History
History: Cr. Register, March, 1997, No. 495, eff. 4-1-97. NR 235.24
NR 235.24
Pretreatment standards for existing sources (PSES). Except as provided in
ss. NR 211.13 and
211.14, any existing source subject to this subchapter which introduces pollutants into a POTW shall comply with
ch. NR 211 and achieve discharges in accordance with
s. NR 235.99.
NR 235.24 History
History: Cr. Register, March, 1997, No. 495, eff. 4-1-97. NR 235.25
NR 235.25
Pretreatment standards for new sources (PSNS). 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 discharges in accordance with
s. NR 235.99.
NR 235.25 History
History: Cr. Register, March, 1997, No. 495, eff. 4-1-97. NR 235.30
NR 235.30
Applicability; description of the thermoplastic resins subcategory. This subchapter applies to the process wastewater discharges resulting from the manufacture of products classified under SIC 28213 thermoplastic resins including the following resins and resin groups. Product groups are indicated with an asterisk.
NR 235.30 History
History: Cr. Register, March, 1997, No. 495, eff. 4-1-97. NR 235.31
NR 235.31 Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT). Except as provided in
40 CFR 125.30 to
125.32, and in
s. NR 235.02 (9) for point sources with production in 2 or more subcategories, any existing point source subject to this section shall achieve the following limitations:
NR 235.31(1)
(1) Limitations shall be calculated by multiplying the following concentrations by the manufacturing process wastewater flow:
-
See PDF for table NR 235.31(2)
(2) The pH shall be within the range of 6.0 to 9.0 at all times.
NR 235.31 History
History: Cr. Register, March, 1997, No. 495, eff. 4-1-97. NR 235.32
NR 235.32
Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT). NR 235.32(1)(1) For existing point sources whose total OCPSF production defined by
s. NR 235.02 is less than or equal to 5 million pounds of OCPSF products per year, the BAT level of treatment shall be the same as the BPT level of treatment.
NR 235.32(2)
(2) Except as provided in
sub. (1) and in
40 CFR 125.30 to
125.32, any existing point source that uses end-of-pipe biological treatment and is subject to this subchapter shall achieve discharges in accordance with
s. NR 235.81.
