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Register April 2018 No. 748
Chapter NR 240
DAIRY PRODUCTS PROCESSING
NR 240.01   Purpose.
NR 240.02   Applicability.
NR 240.03   Definitions.
NR 240.04   Compliance with effluent limitations and standards.
NR 240.06   Application of effluent limitations and standards.
NR 240.07   BOD of dairy product materials.
NR 240.10   Effluent limitations, best practicable treatment.
NR 240.11   Effluent limitations, best available treatment.
NR 240.12   Standards of performance.
NR 240.13   Pretreatment standards.
NR 240.01 NR 240.01 Purpose. The purpose of this chapter is to establish effluent limitations, standards of performance, and pretreatment standards for discharges of process wastes from the dairy products processing industry category of point sources and subcategories thereof.
NR 240.01 Note Note: The authority for promulgation of this chapter is set forth in ch. NR 205.
NR 240.01 History History: Cr. Register, June, 1976, No. 246, eff. 7-1-76.
NR 240.02 NR 240.02 Applicability. The effluent limitations, standards of performance, pretreatment standards, and other provisions in this chapter are applicable to pollutants or pollutant properties in discharges of process waste resulting from operations or manufacture in any or a combination of the following subcategories.
NR 240.02(1) (1) Receiving stations. Facilities in this subcategory are those engaged in the assembly and reshipment of bulk milk for the use of manufacturing or processing plants;
NR 240.02(1)(a) (a) Class A facilities are those receiving more than 15,600 pounds per day BOD input (150,000 pounds milk equivalent), and
NR 240.02(1)(b) (b) Class B facilities are those receiving less than class A.
NR 240.02(2) (2) Fluid products. Facilities in this subcategory are those manufacturing market milk (ranging from 3.5% fat content to fat free), flavored milk (chocolate and others), and cream (of various fat contents, plain or whipped);
NR 240.02(2)(a) (a) Class A facilities are those receiving more than 25,900 pounds per day BOD input (250,000 pounds milk equivalent), and
NR 240.02(2)(b) (b) Class B facilities are those receiving less than class A.
NR 240.02(3) (3) Cultured products. Facilities in this subcategory are those manufacturing cultured products, including cultured skim milk, cultured buttermilk, yogurt, sour cream, and dips of various types;
NR 240.02(3)(a) (a) Class A facilities are those receiving more than 6,200 pounds per day BOD input (60,000 pounds milk equivalent), and
NR 240.02(3)(b) (b) Class B facilities are those receiving less than class A.
NR 240.02(4) (4) Butter. Facilities in this subcategory are those manufacturing butter either by churning or a continuous process;
NR 240.02(4)(a) (a) Class A facilities are those processing more than 18,180 pounds per day BOD input (175,000 pounds milk equivalent), and
NR 240.02(4)(b) (b) Class B facilities are those processing less than class A.
NR 240.02(5) (5) Cottage and cream cheese. Facilities in this subcategory are those manufacturing cottage cheese and cultured cream cheese;
NR 240.02(5)(a) (a) Class A facilities are those processing more than 2,600 pounds per day BOD input (25,000 pounds milk equivalent), and
NR 240.02(5)(b) (b) Class B facilities are those processing less than class A.
NR 240.02(6) (6) Natural and processed cheese. Facilities in this subcategory are those manufacturing natural cheese (hard curd) and processed cheese;
NR 240.02(6)(a) (a) Class A facilities are those processing more than 10,390 pounds per day BOD input (100,000 pounds milk equivalent), and
NR 240.02(6)(b) (b) Class B facilities are those processing less than class A.
NR 240.02(7) (7) Fluid mix for frozen products. Facilities in this subcategory are those manufacturing fluid mixes for ice cream and other frozen desserts (for later freezing in other plants);
NR 240.02(7)(a) (a) Class A facilities are those having a dairy products input of more than 8,830 pounds per day BOD input (85,000 pounds milk equivalent), and
NR 240.02(7)(b) (b) Class B facilities are those having a dairy products input less than class A.
NR 240.02(8) (8) Ice cream and frozen products. Facilities in this subcategory are those manufacturing ice cream, ice milk, sherbert, water ices, stick confections, frozen novelty products, frozen desserts, mellorine, pudding, and other dairy product base desserts;
NR 240.02(8)(a) (a) Class A facilities are those having a dairy products input of more than 8,830 pounds per day BOD input (85,000 pounds milk equivalent), and
NR 240.02(8)(b) (b) Class B facilities are those having a dairy products input of less than class A.
NR 240.02(9) (9) Condensed milk. Facilities in this subcategory are those manufacturing condensed whole milk, condensed skim milk, sweetened condensed milk, and condensed buttermilk;
NR 240.02(9)(a) (a) Class A facilities are those condensing more than 10,390 pounds per day BOD input (100,000 pounds milk equivalent), and
NR 240.02(9)(b) (b) Class B facilities are those condensing less than class A.
NR 240.02(10) (10) Dry milk. Facilities in this subcategory are those manufacturing dry whole milk, dry skim milk, and dry buttermilk;
NR 240.02(10)(a) (a) Class A facilities are those with an input equivalent to more than 15,070 pounds per day BOD input (145,000 pounds milk equivalent), and
NR 240.02(10)(b) (b) Class B facilities are those with an input less than class A.
NR 240.02(11) (11) Condensed whey. Facilities in this subcategory are those manufacturing condensed sweet whey and condensed acid whey;
NR 240.02(11)(a) (a) Class A facilities are those with more than 14,160 pounds per day BOD input (300,000 pounds of raw fluid whey containing 20,700 pounds solids), and
NR 240.02(11)(b) (b) Class B facilities are those with an input less than class A.
NR 240.02(12) (12) Dry whey. Facilities in this subcategory are those manufacturing sweet or acid dry whey;
NR 240.02(12)(a) (a) Class A facilities are those with more than 15,620 pounds per day BOD input (57,000 pounds of 40% solids whey containing 22,800 pounds of solids), and
NR 240.02(12)(b) (b) Class B facilities are those with an input less than class A.
NR 240.02 History History: Cr. Register, June, 1976, No. 246, eff. 7-1-76.
NR 240.03 NR 240.03 Definitions. The following 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 240.03(1) (1) “BOD input” means the 5 day biochemical oxygen demand of the materials entered into process. It can be calculated by multiplying the amounts of fats, proteins, and carbohydrates by factors of 0.890, 1.031, and 0.691, respectively. Organic acids, e.g. lactic acid, should be included as carbohydrates. The composition of input materials may be based on either,
NR 240.03(1)(a) (a) Direct analysis, or
NR 240.03(1)(b) (b) Generally accepted published values such as specifically those in s. NR 240.07.
NR 240.03(2) (2) “Milk equivalent” means the quantity of 3.7% fat content whole milk necessary to supply one pound of fluid raw material to a process.
NR 240.03 History History: Cr. Register, June, 1976, No. 246, eff. 7-1-76.
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Published under s. 35.93, Stats. Updated on the first day of each month. Entire code is always current. The Register date on each page is the date the chapter was last published.