Chapter NR 235

*Ketone-formaldehyde resins

*Melamine resins

*Phenolic resins

*Polyacetal resins

Polyacrylamide

*Polyurethane prepolymers

*Polyurethane resins

*Urea formaldehyde resins

*Urea resins

NR 235.40 History History: Cr. Register, March, 1997, No. 495, eff. 4-1-97.

NR 235.41 NR 235.41 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 235.41(1) (1) Limitations shall be calculated by multiplying the following concentrations by the manufacturing process wastewater flow:

NR 235.41(2) (2) The pH shall be within the range of 6.0 to 9.0 at all times.

NR 235.41 History History: Cr. Register, March, 1997, No. 495, eff. 4-1-97.

NR 235.42 NR 235.42 Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).

NR 235.42(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 235.42(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 235.42(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 235.42 History History: Cr. Register, March, 1997, No. 495, eff. 4-1-97.

NR 235.43 NR 235.43 New source performance standards (NSPS).

NR 235.43(1) (1) Any new source that uses end-of-pipe biological treatment and is subject to this subchapter:

NR 235.43(1)(a) (a) Shall achieve discharges in accordance with s. NR 235.81.

NR 235.43(1)(b) (b) May not exceed the BPT effluent limitations listed in the table in s. NR 235.41 (1); and

NR 235.43(1)(c) (c) Shall maintain the pH within 6.0 to 9.0 at all times.

NR 235.43(2) (2) Any new source that does not use end-of-pipe biological treatment and is subject to this section:

NR 235.43(2)(a) (a) Shall achieve discharges in accordance with s. NR 235.91.

NR 235.43(2)(b) (b) May not exceed BPT effluent limitations listed in the table in s. NR 235.41 (1); and

NR 235.43(2)(c) (c) Shall maintain the pH within 6.0 to 9.0 at all times.

NR 235.43 History History: Cr. Register, March, 1997, No. 495, eff. 4-1-97.

NR 235.44 NR 235.44 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 235.44 History History: Cr. Register, March, 1997, No. 495, eff. 4-1-97.

NR 235.45 NR 235.45 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 235.45 History History: Cr. Register, March, 1997, No. 495, eff. 4-1-97.

subch. VI of ch. NR 235 Subchapter VI - Commodity Organic Chemicals

NR 235.50 NR 235.50 Applicability; description of the commodity organic chemicals subcategory. This subchapter applies to the process wastewater discharges resulting from the manufacture of the following SIC 2865 and 2869 commodity organic chemicals and commodity organic chemical groups. Product groups are indicated with an asterisk.

NR 235.50 History History: Cr. Register, March, 1997, No. 495, eff. 4-1-97.

NR 235.51 NR 235.51 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 235.51(1) (1) Limitations shall be calculated by multiplying the following concentrations by the manufacturing process wastewater flow:

NR 235.51(2) (2) The pH shall be within the range of 6.0 to 9.0 at all times.

NR 235.51 History History: Cr. Register, March, 1997, No. 495, eff. 4-1-97.

NR 235.52 NR 235.52 Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).

NR 235.52(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 235.52(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 235.52(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 235.52 History History: Cr. Register, March, 1997, No. 495, eff. 4-1-97.

NR 235.53 NR 235.53 New source performance standards (NSPS).

NR 235.53(1) (1) Any new source that uses end-of-pipe biological treatment and is subject to this subchapter:

NR 235.53(1)(a) (a) Shall achieve discharges in accordance with s. NR 235.81.

NR 235.53(1)(b) (b) May not exceed the BPT effluent limitations listed in the table in s. NR 235.51 (1); and

NR 235.53(1)(c) (c) Shall maintain the pH within 6.0 to 9.0 at all times.

NR 235.53(2) (2) Any new source that does not use end-of-pipe biological treatment and is subject to this section:

NR 235.53(2)(a) (a) Shall achieve discharges in accordance with s. NR 235.91.

NR 235.53(2)(b) (b) May not exceed BPT effluent limitations listed in the table in s. NR 235.51 (1); and

NR 235.53(2)(c) (c) Shall maintain the pH within 6.0 to 9.0 at all times.

NR 235.53 History History: Cr. Register, March, 1997, No. 495, eff. 4-1-97.

NR 235.54 NR 235.54 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 235.54 History History: Cr. Register, March, 1997, No. 495, eff. 4-1-97.

NR 235.55 NR 235.55 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 235.55 History History: Cr. Register, March, 1997, No. 495, eff. 4-1-97.

subch. VII of ch. NR 235 Subchapter VII - Bulk Organic Chemicals

NR 235.60 NR 235.60 Applicability; description of the bulk organic chemicals subcategory. This subchapter applies to the process wastewater discharges resulting from the manufacture of the following SIC 2865 and 2869 bulk organic chemicals and bulk organic chemical groups. Product groups are indicated with an asterisk.

NR 235.60 History History: Cr. Register, March, 1997, No. 495, eff. 4-1-97.

NR 235.61 NR 235.61 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 235.61(1) (1) Limitations shall be calculated by multiplying the following concentrations by the manufacturing process wastewater flow:

NR 235.61(2) (2) The pH level shall be within the range of 6.0 to 9.0 at all times.

NR 235.61 History History: Cr. Register, March, 1997, No. 495, eff. 4-1-97.

NR 235.62 NR 235.62 Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).

NR 235.62(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 235.62(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 235.62(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 235.62 History History: Cr. Register, March, 1997, No. 495, eff. 4-1-97.

NR 235.63 NR 235.63 New source performance standards (NSPS).

NR 235.63(1) (1) Any new source that uses end-of-pipe biological treatment and is subject to this subchapter:

NR 235.63(1)(a) (a) Shall achieve discharges in accordance with s. NR 235.81.

NR 235.63(1)(b) (b) May not exceed the BPT effluent limitations listed in the table in s. NR 235.61 (1); and

NR 235.63(1)(c) (c) Shall maintain the pH within 6.0 to 9.0 at all times.

NR 235.63(2) (2) Any new source that does not use end-of-pipe biological treatment and is subject to this section:

NR 235.63(2)(a) (a) Shall achieve discharges in accordance with s. NR 235.91.

NR 235.63(2)(b) (b) May not exceed BPT effluent limitations listed in the table in s. NR 235.61 (1); and

NR 235.63(2)(c) (c) Shall maintain the pH within 6.0 to 9.0 at all times.

NR 235.63 History History: Cr. Register, March, 1997, No. 495, eff. 4-1-97.

NR 235.64 NR 235.64 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 235.64 History History: Cr. Register, March, 1997, No. 495, eff. 4-1-97.

NR 235.65 NR 235.65 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 235.65 History History: Cr. Register, March, 1997, No. 495, eff. 4-1-97.

subch. VIII of ch. NR 235 Subchapter VIII - Specialty Organic Chemicals

NR 235.70 NR 235.70 Applicability; description of the specialty organic chemicals subcategory. This subchapter applies to the process wastewater discharges resulting from the manufacture of all SIC 2865 and 2869 organic chemicals and organic chemical groups which are not defined as commodity chemicals in s. NR 235.50 or bulk organic chemicals in s. NR 235.60.

NR 235.70 History History: Cr. Register, March, 1997, No. 495, eff. 4-1-97.

NR 235.71 NR 235.71 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: