Chapter NR 296

NR 296.02(7) (7) Stock and yarn dyeing and finishing. This subcategory includes textile mills engaged in stock and yarn dyeing and finishing using any or all of the following unit operations: cleaning, scouring, bleaching, mercerizing, dyeing and special finishing.

NR 296.02 History History: Cr. Register, June, 1976, No. 246, eff. 7-1-76.

NR 296.03 NR 296.03  Definitions. The following special definitions are applicable to terms used in this chapter. Definitions of other terms and meanings of abbreviations are set forth in ch. NR 205.

NR 296.03(1) (1) “Color” means the color as measured by the modified tri-stimulus method developed by the American Dye Manufacturers Institute (ADMI) and described in Appendix A of the development document incorporated by reference in s. NR 296.05.

NR 296.03 Note Note: Section NR 296.05 was repealed effective 5-1-18 by CR 17-002.

NR 296.03(2) (2) “Commission scouring” means the scouring of wool, 50% or more of which is owned by others, in mills that are 51% or more independent (i.e. having only a minority ownership by companies with griege or integrated operations). The mills must process 20% or more of their commissioned production through batch, noncontinuous processing operations.

NR 296.03(3) (3) “Commission finishing” means the finishing of textile materials, 50% or more of which are owned by others, in mills that are 51% or more independent (i.e. having only a minority ownership by companies with griege or integrated operations). The mills must process 20% or more of their commissioned production through batch, noncontinuous processing operations with 50% or more of their commissioned orders processed in 5,000-yard or smaller lots.

NR 296.03(4) (4) “Fiber” means dry wool and other fibers as received at the wool mill for processing into wool and blended products.

NR 296.03(5) (5) “Product” means the final material produced or processed by the mill except that for the carpet mills subcategory it means the final carpet produced or processed including the primary backing but excluding the secondary backing.

NR 296.03(6) (6) “Simple manufacturing operation” means those operations involving the unit processes of desizing, fiber preparation and dyeing except that for the carpet mills subcategory it means those operations involving fiber preparation and dyeing with or without carpet backing.

NR 296.03(7) (7) “Complex manufacturing operation” means those operations involved in simple manufacturing operation plus any additional manufacturing operations such as printing, waterproofing or applying stain resistant or other functional fabric finishes except that for the carpet mills subcategory the additional operations are those such as printing or dyeing and printing.

NR 296.03(8) (8) “Wool” means dry wool as it is received by the wool scouring mill.

NR 296.03 History History: Cr. Register, June, 1976, No. 246, eff. 7-1-76.

NR 296.04 NR 296.04  Compliance with effluent limitations and standards. Discharge of pollutants from facilities subject to the provisions of this chapter may not exceed, as appropriate:

NR 296.04(1) (1) By July 1, 1977 effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available;

NR 296.04(2) (2) By July 1, 1983 effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable;

NR 296.04(3) (3) Pretreatment standards for discharges to publicly owned treatment works;

NR 296.04(4) (4) Standards of performance for new sources.

NR 296.04 History History: Cr. Register, June, 1976, No. 246, 7-1-76; r. and recr. Register, August, 1983, No. 332, eff. 9-1-83.

NR 296.06 NR 296.06  Application of effluent limitations and standards.

NR 296.06(1) (1) The effluent limitations and standards set forth in this chapter shall be used in accordance with this section to establish the quantity or quality of pollutants or pollutant properties which may be discharged by a point source subject to the provisions of this chapter, except as:

NR 296.06(1)(a) (a) They may be modified in accordance with subch. IV of ch. NR 220,

NR 296.06(1)(b) (b) They may be superseded by more stringent limitations and standards necessary to achieve water quality standards or meet other legal requirements, or

NR 296.06(1)(c) (c) They may be supplemented or superseded by standards or prohibitions for toxic pollutants or by additional limitations for other pollutants required to achieve water quality.

NR 296.06(2) (2) The production basis for application of the limitations and standards set forth in this chapter shall be the daily average for a maximum month for the facility in each subcategory subject to the provisions of this chapter.

NR 296.06(3) (3) In the application of effluent limitations in this chapter to a textile mill engaged in commission scouring in subcategory (1) or in commission finishing in subcategory (2), (4) or (5) of s. NR 296.02, where the commission scouring or commission finishing conforms to the definitions of s. NR 296.03, the appropriate effluent limitations of ss. NR 296.10, 296.11 and 296.12 shall be increased, except for pH, by an amount equal to such limitations in those sections.

NR 296.06 History History: Cr. Register, June, 1976, No. 246, eff. 7-1-76; correction in (1) (a) made under s. 13.92 (4) (b) 7, Stats., Register April 2018 No. 748.

NR 296.10 NR 296.10  Effluent limitations, best practicable treatment. The following effluent limitations for all or specific subcategories when applied in accordance with s. NR 296.06 (3) establish, except as provided in subch. IV of ch. NR 220, the quantity or quality of pollutants or pollutant properties which may be discharged by a facility subject to the provisions of this chapter after application to process wastes of the best practicable control technology currently available.

NR 296.10(1) (1) The pH of all discharges shall be within the range of 6.0 to 9.0.

NR 296.10(2) (2) The fecal coliform present in discharges in subcategory (3) shall not exceed an MPN of 400/100 ml.

NR 296.10(3) (3) The oil and grease content of discharges in subcategory (1) shall not exceed a 30-day average of 3.6 nor a daily maximum of 7.2 lbs/1,000 lbs or kg/1,000 kg of wool.

NR 296.10(4) (4) The 30-day average limitations for BOD5, suspended solids, COD, total chromium, phenol and sulfide are set forth in table 1. Daily maximum limitations are 2 times the 30-day average values. - See PDF for table

NR 296.10 History History: Cr. Register, June, 1976, No. 246, eff. 7-1-76; correction in (intro.) made under s. 13.92 (4) (b) 7, Stats., Register April 2018 No. 748.

NR 296.11 NR 296.11  Effluent limitations, best available treatment. The following effluent limitations for all or specific subcategories when applied in accordance with s. NR 296.06 (3) establish the quantity or quality of pollutants or pollutant properties which may be discharged by a facility subject to the provisions of this chapter after application to process wastes of the best available technology economically achievable.

NR 296.11(1) (1) The pH of all discharges shall be within the range of 6.0 to 9.0.

NR 296.11(2) (2) The fecal coliform present in all discharges shall not exceed an MPN of 400/100 ml.

NR 296.11(3) (3) The oil and grease content of discharges in subcategory (1) shall not exceed a 30-day average of 1.0 nor a daily maximum of 2.0 lbs/1,000 lbs or kg/1,000 kg of wool.

NR 296.11(4) (4) The 30-day average limitations for BOD5, suspended solids, COD, total chromium, phenol, sulfide and color are set forth in Table 2. Daily maximum limitations are 2 times the 30-day average values. - See PDF for table

NR 296.11 Note Note: For “product” substitute “wool” and “fiber” respectively for subcategories (1) and (2).

NR 296.11 History History: Cr. Register, June, 1976, No. 246, eff. 7-1-76.

NR 296.12 NR 296.12  Standards of performance. The following effluent limitations for all or specific subcategories when applied in accordance with s. NR 296.06 (3) establish the quantity or quality of pollutants or pollutant properties which may be discharged by a facility which is a new source subject to the provisions of this chapter.

NR 296.12(1) (1) The pH of all discharges shall be within the range of 6.0 to 9.0.

NR 296.12(2) (2) The fecal coliform present in discharges in subcategory (3) shall not exceed an MPN of 400/100 ml.

NR 296.12(3) (3) The oil and grease content of discharges in subcategory (1) shall not exceed a 30-day average of 3.6 nor a daily maximum of 7.2 lbs/1,000 lbs or kg/1,000 kg of wool.

NR 296.12(4) (4) The 30-day average limitations for BOD5, suspended solids, COD, total chromium, phenol, sulfide and color are set forth in table 3. Daily maximum limitations are 2 times the 30-day average values. - See PDF for table

NR 296.12 Note Note: For “product” substitute “wool” and “fiber” respectively for subcategories (1) and (2).

NR 296.12 History History: Cr. Register, June, 1976, No. 246, eff. 7-1-76.

NR 296.13 NR 296.13  Pretreatment standards. The pretreatment standards for discharges to publicly owned treatment works from sources subject to the provisions of this chapter shall be as set forth in ch. NR 211.

NR 296.13 History History: Cr. Register, June, 1976, No. 246, eff. 7-1-76; r. and recr. Register, August, 1983, No. 332, eff. 9-1-83.