Wisconsin Administrative Code

NR 252.036 Modified Monier-Williams method. (1) OUTLINE OF METHOD. (a) Hydrogen sulfide is liberated from an acidified sample by distillation and purging with nitrogen gas (N2). Sulfur dioxide interference is removed by scrubbing the nitrogen gas stream in a pH 7 buffer solution.…

NR 252.0365 Method detection limit method. (1) DEFINITION. XMethod detection limitY or YMDLY means the minimum concentration of a substance that can be identified, measured and reported with 99% confidence that the analyte concentration is greater than zero and determined from an…

NR 252.04 Applicability of sulfide pretreatment standards. (1) A POTW receiving wastewater from a facility subject to this chapter may require more stringent pretreatment standards for sulfide than those established by this chapter without EPA approval. (2) The pretreatment stand…

NR 252.05 Compliance date for pretreatment standards for existing sources (PSES). Existing sources subject to PSES shall comply by November 25, 1985. History: Cr. Register, October, 1986, No. 370, eff. 11-1-86.

NR 252.06 Monitoring requirements. Compliance with monthly average discharge limitations is required regardless of the number of samples analyzed and averaged. History: Cr. Register, October, 1986, No. 370, eff. 11-1-86.

NR 252.10 Applicability; description of the hair pulp, chrome tan, retan-wet finishing subcategory. The provisions of this subcategory are applicable to process wastewater discharges resulting from any tannery which, either exclusively or in addition to other unhairing and tannin…

NR 252.11 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 125.30125.32, any existing point source subject to this subcategory shall …

NR 252.12 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 …

NR 252.13 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 achie…

NR 252.14 New source performance standards (NSPS). Any new source subject to this subcategory shall achieve the following new source performance standards (NSPS): 8 Pollutant or pollutant property BOD5 TSS Oil and grease Total chromium pH BPT limitations Kg/kkg (or pounds per 100…

NR 252.15 Pretreatment standards for existing sources (PSES). (1) Except as provided in s. NR 252.04 and 40 CFR 403.7 and 403.13, any existing source subject to this subcategory which introduces process wastewater pollutants into a PSES Milligrams per liter (mg/l) Maximum for Max…

NR 252.16 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 achi…

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 le…

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 125.30125.32, any existing point source subject to this subcategory shall …

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 …

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 achie…

NR 252.24 New source performance standards (NSPS). Any new source subject to this subcategory shall achieve the following new source performance standards (NSPS): NSPS Kg/kkg (or pounds per 1000 lb) or raw material Maximum for Maximum for Pollutant or pollutant property any 1 day…

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 C…

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 achi…

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 …

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 125.30125.32, any existing point source subject to this subcategory shall …

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 …

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 achie…

NR 252.34 New source performance standards (NSPS). Any new source subject to this subcategory shall achieve the following new source performance standards (NSPS): History: Cr. Register, October, 1986, No. 370, eff. 11-1-86.

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

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 achie…

NR 252.40 Applicability; description of the retanwet 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 b…

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 limi…

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 …

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 achie…

NR 252.44 New source performance standards (NSPS). Any new source subject to this subcategory shall achieve the following new source performance standards (NSPS): NSPS Kg/kkg (or pounds per 1000 lb) of raw material Maximum for Maximum for Pollutant or pollutant property any 1 day…

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 …

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 pretreatm…

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 finis…

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 125.30125.32, any existing point source subject to this subcategory shall …

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 …

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 achie…

NR 252.54 New source performance standards (NSPS). Any new source subject to this subcategory shall achieve the following new source performance standards (NSPS): NR 252.62 3.2 4.7 1.4 0.08 (1) 1.5 2.1 0.61 0.03 (1) 1 Within the range 6.0 to 9.0. History: Cr. Register, October, 1…

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 …

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 pretreatm…

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 p…

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 125.30125.32, any existing point source subject to this subcategory shall …

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 …

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 achie…

NR 252.64 New source performance standards (NSPS). Any new source subject to this subcategory shall achieve the following new source performance standards (NSPS): NSPS Maximum for Maximum for any 1 day monthly average Kg/kkg (or pounds per 1000 lb) Pollutant or pollutant property…

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 C…

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 achi…

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 leat…

NR 252.71 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 125.30125.32, any existing point source subject to this subcategory shall …

NR 252.72 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 …