Chapter NR 252

NR 252.16 History History: Cr. Register, October, 1986, No. 370, eff. 11-1-86.

NR 252.20 NR 252.20 Applicability; description of the hair save, chrome tan, retan-wet finish subcategory. The provisions of this subcategory are applicable to process wastewater discharges resulting from any tannery which processes raw or cured cattle or cattle-like hides into finished leather by hair save unhairing, chrome tanning, and retan-wet finishing.

NR 252.20 History History: Cr. Register, October, 1986, No. 370, eff. 11-1-86.

NR 252.21 NR 252.21 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 125.30-125.32, any existing point source subject to this subcategory shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT): - See PDF for table

NR 252.21 Note 1Within the range 6.0 to 9.0.

NR 252.21 History History: Cr. Register, October, 1986, No. 370, eff. 11-1-86.

NR 252.22 NR 252.22 Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT). Except as provided in 40 CFR 125.30-125.32, any existing point source subject to this subcategory shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT). The effluent limitations are those for BOD5, TSS, oil and grease, and pH contained in s. NR 252.21.

NR 252.22 History History: Cr. Register, October, 1986, No. 370, eff. 11-1-86.

NR 252.23 NR 252.23 Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT). Except as provided in 40 CFR 125.30-125.32, any existing point source subject to this subcategory shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT): The effluent limitations are those for total chromium contained in s. NR 252.21.

NR 252.23 History History: Cr. Register, October, 1986, No. 370, eff. 11-1-86.

NR 252.24 NR 252.24 New source performance standards (NSPS). Any new source subject to this subcategory shall achieve the following new source performance standards (NSPS): - See PDF for table

NR 252.24 Note 1Within the range 6.0 to 9.0.

NR 252.24 History History: Cr. Register, October, 1986, No. 370, eff. 11-1-86.

NR 252.25 NR 252.25 Pretreatment standards for existing sources (PSES). Except as provided in s. NR 252.04 and 40 CFR 403.7 and 403.13, any existing source subject to this subcategory that introduces process wastewater pollutants into a publicly owned treatment works shall comply with 40 CFR Part 403, and achieve the following pretreatment standards: - See PDF for table

NR 252.25 Note 1Not less than 7.0.

NR 252.25 History History: Cr. Register, October, 1986, No. 370, eff. 11-1-86; am. Table, Register, May, 2001, No. 545, eff. 6-1-01.

NR 252.26 NR 252.26 Pretreatment standards for new sources (PSNS). Except as provided in 40 CFR 403.7 and s. NR 252.04, any new source subject to this subcategory that introduces process wastewater pollutants into a publicly owned treatment works shall comply with 40 CFR Part 403, and achieve the pretreatment standards contained in s. NR 252.25.

NR 252.26 History History: Cr. Register, October, 1986, No. 370, eff. 11-1-86.

NR 252.30 NR 252.30 Applicability; description of the hair save or pulp, nonchrome tan, retan-wet finish subcategory. The provisions of this subcategory are applicable to process wastewater discharges resulting from any tannery which processes raw or cured cattle or cattle-like hides into finished leather by hair save or pulp unhairing, vegetable tanning or alum, syntans, oils and other agents for tanning, and retan-wet finishing.

NR 252.30 History History: Cr. Register, October, 1986, No. 370, eff. 11-1-86.

NR 252.31 NR 252.31 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 125.30-125.32, any existing point source subject to this subcategory shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT): - See PDF for table

NR 252.31 Note 1Within the range 6.0 to 9.0.

NR 252.31 History History: Cr. Register, October, 1986, No. 370, eff. 11-1-86; am. Table, Register, May, 2001, No. 545, eff. 6-1-01.

NR 252.32 NR 252.32 Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT). Except as provided in 40 CFR 125.30-125.32, any existing point source subject to this subcategory shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT). The effluent limitations are those for BOD5, TSS, oil and grease, and pH contained in s. NR 252.31.

NR 252.32 History History: Cr. Register, October, 1986, No. 370, eff. 11-1-86.

NR 252.33 NR 252.33 Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT). Except as provided in 40 CFR 125.30-125.32, any existing point source subject to this subcategory shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT). The effluent limitations are those for total chromium contained in s. NR 252.31.

NR 252.33 History History: Cr. Register, October, 1986, No. 370, eff. 11-1-86.

NR 252.34 NR 252.34 New source performance standards (NSPS). Any new source subject to this subcategory shall achieve the following new source performance standards (NSPS): - See PDF for table

NR 252.34 Note 1Within the range 6.0 to 9.0.

NR 252.34 History History: Cr. Register, October, 1986, No. 370, eff. 11-1-86.

NR 252.35 NR 252.35 Pretreatment standards for existing sources (PSES).

NR 252.35(1) (1) Except as provided in s. NR 252.04 and 40 CFR 403.7 and 403.13, any existing source subject to this subcategory that introduces process wastewater pollutants into a publicly owned treatment works shall comply with 40 CFR Part 403, and achieve the following pretreatment standards: - See PDF for table

NR 252.35 Note 1Not less than 7.0.

NR 252.35(2) (2) Any existing source subject to this subcategory which processes less than 350 hides/day shall comply with s. NR 252.35 (1), except that the total chromium limitations contained in sub. (1) do not apply.

NR 252.35 History History: Cr. Register, October, 1986, No. 370, eff. 11-1-86; am. Register, May, 2001, No. 545, eff. 6-1-01.

NR 252.36 NR 252.36 Pretreatment standards for new sources (PSNS). Except as provided in 40 CFR 403.7 and s. NR 252.04 any new source subject to this subcategory that introduces process wastewater pollutants into a publicly owned treatment works shall comply with 40 CFR Part 403, and achieve the pretreatment standards contained in s. NR 252.35.

NR 252.36 History History: Cr. Register, October, 1986, No. 370, eff. 11-1-86.

NR 252.40 NR 252.40 Applicability; description of the retan-wet finish-sides subcategory. The provisions of this subcategory are applicable to process wastewater discharges resulting from any tannery which processes previously tanned hides and skins (grain side only) into finished leather by retan-wet finishing.

NR 252.40 History History: Cr. Register, October, 1986, No. 370, eff. 11-1-86.

NR 252.41 NR 252.41 Effluent limitations representing the degree of effluent reduction attainable by the control technology currently available (BPT). Except as provided in 40 CFR 125.30-125.32, any existing point source subject to this subcategory shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT): - See PDF for table

NR 252.41 Note 1Within the range 6.0 to 9.0.

NR 252.41 History History: Cr. Register, October, 1986, No. 370, eff. 11-1-86; am. Table, Register, May, 2001, No. 545, eff. 6-1-01.

NR 252.42 NR 252.42 Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT). Except as provided in 40 CFR 125.30-125.32, any existing point source subject to this subcategory shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT). The effluent limitations are those for BOD5, TSS, oil and grease, and pH contained in s. NR 252.41.

NR 252.42 History History: Cr. Register, October, 1986, No. 370, eff. 11-1-86.

NR 252.43 NR 252.43 Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT). Except as provided in 40 CFR 125.30-125.32, any existing point source subject to this subcategory shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT). The effluent limitations are those for total chromium contained in s. NR 252.41.

NR 252.43 History History: Cr. Register, October, 1986, No. 370, eff. 11-1-86.

NR 252.44 NR 252.44 New source performance standards (NSPS). Any new source subject to this subcategory shall achieve the following new source performance standards (NSPS): - See PDF for table

NR 252.44 Note 1Within the range 6.0 to 9.0.

NR 252.44 History History: Cr. Register, October, 1986, No. 370, eff. 11-1-86; am. Table, Register, May, 2001, No. 545, eff. 6-1-01.

NR 252.45 NR 252.45 Pretreatment standards for existing sources (PSES). Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subcategory that introduces process wastewater pollutants into a publicly owned treatment works shall comply with 40 CFR Part 403, and achieve the following pretreatment standards: - See PDF for table

NR 252.45 Note 1Within the range 6.0 to 10.0.

NR 252.45 History History: Cr. Register, October, 1986, No. 370, eff. 11-1-86.

NR 252.46 NR 252.46 Pretreatment standards for new sources (PSNS). Except as provided in 40 CFR 403.7, any new source subject to this subcategory that introduces process wastewater pollutants into a publicly owned treatment works shall comply with 40 CFR Part 403, and achieve the pretreatment standards contained in s. NR 252.45.

NR 252.46 History History: Cr. Register, October, 1986, No. 370, eff. 11-1-86.

NR 252.50 NR 252.50 Applicability; description of the no beamhouse subcategory. The provisions of this subcategory are applicable to process wastewater discharges resulting from any tannery which processes cattle hides, sheepskins, or splits (hair previously removed and pickled) into finished leather by chrome or nonchrome tanning, and retan-wet finishing.

NR 252.50 History History: Cr. Register, October, 1986, No. 370, eff. 11-1-86.

NR 252.51 NR 252.51 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 125.30-125.32, any existing point source subject to this subcategory shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT): - See PDF for table

NR 252.51 Note 1Within the range 6.0 to 9.0.

NR 252.51 History History: Cr. Register, October, 1986, No. 370, eff. 11-1-86; am. Table, Register, May, 2001, No. 545, eff. 6-1-01.

NR 252.52 NR 252.52 Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT). Except as provided in 40 CFR 125.30-125.32, any existing point source subject to this subcategory shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional control technology (BCT). The effluent limitations are those for BOD5, TSS, oil and grease, and pH contained in s. NR 252.51.

NR 252.52 History History: Cr. Register, October, 1986, No. 370, eff. 11-1-86.

NR 252.53 NR 252.53 Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT). Except as provided in 40 CFR 125.30-125.32, any existing point source subject to this subcategory shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT). The effluent limitations are those for total chromium contained in s. NR 252.51.

NR 252.53 History History: Cr. Register, October, 1986, No. 370, eff. 11-1-86.

NR 252.54 NR 252.54 New source performance standards (NSPS). Any new source subject to this subcategory shall achieve the following new source performance standards (NSPS): - See PDF for table

NR 252.54 Note 1Within the range 6.0 to 9.0.

NR 252.54 History History: Cr. Register, October, 1986, No. 370, eff. 11-1-86.

NR 252.55 NR 252.55 Pretreatment standards for existing sources (PSES). Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subcategory that introduces process wastewater pollutants into a publicly owned treatment works shall comply with 40 CFR Part 403, and achieve the following pretreatment standards: - See PDF for table

NR 252.55 Note 1Within the range 6.0 to 10.0.

NR 252.55 History History: Cr. Register, October, 1986, No. 370, eff. 11-1-86.

NR 252.56 NR 252.56 Pretreatment standards for new sources (PSNS). Except as provided in 40 CFR 403.7, any new source subject to this subcategory that introduces process wastewater pollutants into a publicly owned treatment works shall comply with 40 CFR Part 403, and achieve the pretreatment standards contained in s. NR 252.55.

NR 252.56 History History: Cr. Register, October, 1986, No. 370, eff. 11-1-86.

NR 252.60 NR 252.60 Applicability; description of the through-the-blue subcategory. The provisions of this subcategory are applicable to process wastewater discharges resulting from any tannery which processes raw or cured cattle or cattle-like hides through-the-blue tanned state by hair pulp unhairing and chrome tanning; no retan-wet finishing is performed.

NR 252.60 History History: Cr. Register, October, 1986, No. 370, eff. 11-1-86.

NR 252.61 NR 252.61 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 125.30-125.32, any existing point source subject to this subcategory shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT): - See PDF for table

NR 252.61 Note 1Within the range 6.0 to 9.0.

NR 252.61 History History: Cr. Register, October, 1986, No. 370, eff. 11-1-86; am. Table, Register, May, 2001, No. 545, eff. 6-1-01.

NR 252.62 NR 252.62 Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT). Except as provided in 40 CFR 125.30-125.32, any existing point source subject to this subcategory shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT). The effluent limitations are those for BOD5, TSS, oil and grease, and pH contained in s. NR 252.61.

NR 252.62 History History: Cr. Register, October, 1986, No. 370, eff. 11-1-86.

NR 252.63 NR 252.63 Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT). Except as provided in 40 CFR 125.30-125.32, any existing point source subject to this subcategory shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT). The effluent limitations are those for total chromium contained in s. NR 252.61.

NR 252.63 History History: Cr. Register, October, 1986, No. 370, eff. 11-1-86.

NR 252.64 NR 252.64 New source performance standards (NSPS). Any new source subject to this subcategory shall achieve the following new source performance standards (NSPS): - See PDF for table

NR 252.64 Note 1Within the range 6.0 to 9.0.

NR 252.64 History History: Cr. Register, October, 1986, No. 370, eff. 11-1-86; am. Table, Register, May, 2001, No. 545, eff. 6-1-01.

NR 252.65 NR 252.65 Pretreatment standards for existing sources (PSES). Except as provided in s. NR 252.04 and 40 CFR 403.7 and 403.13, any existing source subject to this subcategory that introduces process wastewater pollutants into a publicly owned treatment works shall comply with 40 CFR Part 403, and achieve the following pretreatment standards: - See PDF for table

NR 252.65 Note 1Not less than 7.0.

NR 252.65 History History: Cr. Register, October, 1986, No. 370, eff. 11-1-86; am. Table, Register, May, 2001, No. 545, eff. 6-1-01.

NR 252.66 NR 252.66 Pretreatment standards for new sources (PSNS). Except as provided in 40 CFR 403.7 and s. NR 252.04, any new source subject to this subcategory that introduces process wastewater pollutants into a publicly owned treatment works shall comply with 40 CFR Part 403, and achieve the pretreatment standards contained in s. NR 252.65.

NR 252.66 History History: Cr. Register, October, 1986, No. 370, eff. 11-1-86.

NR 252.70 NR 252.70 Applicability; description of the shearing subcategory. The provisions of this subcategory are applicable to process wastewater discharges resulting from any tannery which processes raw or cured sheep or sheep-like skins with the wool or hair retained into finished leather by chrome tanning, and retan-wet finishing.