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Register April 2022 No. 796
Chapter NR 233
pesticide chemicals
Subchapter I — General Provisions
NR 233.01   Purpose.
NR 233.02   Applicability.
NR 233.03   General definitions.
NR 233.04   Compliance dates.
Subchapter II — Organic Pesticide Chemicals Manufacturing Subcategory
NR 233.10   Applicability; description of the organic pesticide chemicals manufacturing subcategory.
NR 233.11   Specialized definitions.
NR 233.12   Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
NR 233.13   Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT).
NR 233.14   Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available control technology economically achievable (BAT).
NR 233.15   New source performance standards (NSPS).
NR 233.16   Pretreatment standards for existing sources (PSES).
NR 233.17   Pretreatment standards for new sources (PSNS).
Subchapter III — Metallo-Organic Pesticide Chemicals Manufacturing Subcategory
NR 233.20   Applicability; description of the metallo-organic pesticides chemicals manufacturing subcategory.
NR 233.21   Specialized definitions.
NR 233.22   Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
Subchapter IV — Pesticide Formulating, Packaging and Repackaging Subcategory
NR 233.30   Applicability; description of the pesticide formulating, packaging and repackaging subcategory.
NR 233.305   Specialized definitions.
NR 233.31   Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
NR 233.32   Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT).
NR 233.33   Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available control technology economically achievable (BAT).
NR 233.34   New source performance standards (NSPS).
NR 233.35   Pretreatment standards for existing sources (PSES).
NR 233.36   Pretreatment standards for new sources (PSNS).
Subchapter V — Test Methods for Pesticide Pollutants
NR 233.40   Identification of test procedures.
Subchapter VI — Repackaging of Agricultural Pesticides Performed at Refilling Establishments
NR 233.50   Applicability; description of repackaging of agricultural pesticides performed by refilling establishments subcategory.
NR 233.51   Special definitions.
NR 233.52   Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable pollutant control technology (BPT).
NR 233.53   Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT).
NR 233.54   Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
NR 233.55   New source performance standards (NSPS).
NR 233.56   Pretreatment standards for existing sources (PSES).
NR 233.57   Pretreatment standards for new sources (PSNS).
subch. I of ch. NR 233 Subchapter I — General Provisions
NR 233.01 NR 233.01 Purpose. The purpose of this chapter is to establish effluent limitations, performance standards and pretreatment standards for discharges of process wastes from the pesticide chemicals point source category and its subcategories.
NR 233.01 History History: Cr. Register, March, 1997, No. 495, eff. 4-1-97.
NR 233.02 NR 233.02 Applicability. This chapter applies to any pesticide chemicals facility that discharges or may discharge a pollutant to waters of the state or that introduces or may introduce pollutants into a publicly owned treatment works.
NR 233.02 History History: Cr. Register, March, 1997, No. 495, eff. 4-1-97.
NR 233.03 NR 233.03 General definitions. In addition to the definitions in ss. NR 205.03, 205.04 and 211.03, the following definitions apply to the terms used in this chapter:
NR 233.03(1) (1) “Active ingredient" means an ingredient of a pesticide which is intended to prevent, destroy, repel or mitigate any pest.
NR 233.03(1e) (1e) “Appropriate pollution control technology" means the wastewater treatment technology listed in Table 10 for a particular pesticide active ingredient including an emulsion breaking step prior to the listed technology when emulsions are present in the wastewater to be treated.
NR 233.03(1o) (1o) “Equivalent system" means a wastewater treatment system that is demonstrated in literature, treatability tests, or self-monitoring data to remove a similar level of pesticide active ingredient or priority pollutant as the applicable appropriate pollution control technology listed in Table 10.
NR 233.03(2) (2) “Existing source" means any point source, except a new source as defined in sub. (3), from which pollutants are or may be discharged either to waters of the state or into a publicly owned treatment works.
NR 233.03(2e) (2e) “Formulation of pesticide products" means the process of mixing, blending, or diluting one or more of the pesticide active ingredients with one or more active or inert ingredients, without an intended chemical reaction, to obtain a manufacturing use product or an end use product.
NR 233.03(2o) (2o) “Group one mixtures" means any product whose only pesticide active ingredient is:
NR 233.03(2o)(a) (a) Any common food or food constituent.
NR 233.03(2o)(b) (b) Any non-toxic household item.
NR 233.03(2o)(c) (c) Any substance that is generally recognized as safe by the U.S. food and drug administration as provided in 21 CFR 170.30, Parts 182, 184, and 186 in accordance with good manufacturing practices as defined by 21 CFR Part 182.
NR 233.03(2o)(d) (d) Any product exempt from the federal insecticide, fungicide, rodenticide act as provided in 40 CFR 152.25.
NR 233.03(2p) (2p) “Group 2 mixtures" means those chemicals listed in Table 9.
NR 233.03(2q) (2q) “Inorganic wastewater treatment chemicals" means inorganic chemicals that are commonly used in wastewater treatment systems to aid in the removal of pollutants through physical and chemical technologies such as chemical precipitation, flocculation, neutralization, chemical oxidation, hydrolysis, or adsorption.
NR 233.03(2r) (2r) “Interior wastewater" means any wastewater that is generated from cleansing or rinsing the interior of pesticide formulating, packaging, or repackaging equipment, raw material drums, shipping containers, or bulk storage tanks. Also included is cooling water that comes into direct contact with pesticide active ingredients during the formulating, packaging, or repackaging process.
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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.