Chapter NR 233

NR 233.54 NR 233.54 Effluent limitations guidelines 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 to 125.32, any existing point source subject to this subchapter shall achieve effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable. Process wastewater pollutants may not be discharged.

NR 233.54 History History: Cr. Register, May, 2001, No. 545, eff. 6-1-01.

NR 233.55 NR 233.55 New source performance standards (NSPS). Any new source subject to this subchapter may not discharge process wastewater pollutants.

NR 233.55 History History: Cr. Register, May, 2001, No. 545, eff. 6-1-01.

NR 233.56 NR 233.56 Pretreatment standards for existing sources (PSES). Except as provided in ss. NR 211.13 and 211.14, no later than November 6, 1999, any existing source subject to this subchapter shall comply with ch. NR 211 and achieve the pretreatment standards for existing sources as follows. There may be no discharge of process wastewater pollutants.

NR 233.56 History History: Cr. Register, May, 2001, No. 545, eff. 6-1-01.

NR 233.57 NR 233.57 Pretreatment standards for new sources (PSNS). Except as provided in ss. NR 211.13 and 211.14, any new source subject to this subchapter shall comply with ch. NR 211 and achieve the pretreatment standards for new sources as follows. There may be no discharge of process wastewater pollutants.

NR 233.57 History History: Cr. Register, May, 2001, No. 545, eff. 6-1-01.

Table 1

List of Organic Pesticide Active Ingredients - See PDF for table

Table 2

Organic Pesticide Active Ingredient Effluent Limitations

BAT AND PSES - See PDF for table

Table 3

Organic Pesticide Active Ingredient Effluent Limitations

NSPS and PSNS - See PDF for table

Table 4

BAT and NSPS effluent Limitations for Priority Pollutants For Direct Discharge
Point Sources That Use End-of-Pipe Biological Treatment - See PDF for table

Table 5

BAT and NSPS Effluent Limitations for Priority Pollutants For Direct Discharge
Point Sources That Do Not Use End-of-Pipe Biological Treatment - See PDF for table

Table 6

PSES and PSNS For Priority Pollutants - See PDF for table

Table 7

Test Methods For Pesticide Active Ingredients - See PDF for table

NR 233.57 Note Note: The Wisconsin administrative code corresponds to the code of federal regulations according to the following table: - See PDF for table

Table 8
List of Pollution Prevention Alternative Practices - See PDF for table

1A modification to the list of practices on this table that an individual facility shall comply with to be eligible for the pollution prevention alternative is allowed with acceptable justification. This justification is listed on this table and as approved by the permitting or control authority using best practical judgment or best engineering judgment after submittal by the facility of a request for modification. A modification, for purposes of this table, means that a facility would no longer have to perform a listed practice or would need to comply with a modified practice. However, the modification only applies to the specific practice for which the modification has been justified and to no other listed practices. Facilities are required to thoroughly discuss all modifications in the on-site compliance paperwork as described in this subchapter in the limitations and standards as in s. NR 233.305(2).

2After following the practices above, some wastewaters for indirect dischargers may require pretreatment prior to discharge to POTWs. See definition of pollution prevention allowable discharge for indirect dischargers as defined in s. NR 233.305.

3After following the practices above, all wastewaters for direct dischargers shall require treatment prior to discharge directly to the state's waters. See definition of pollution prevention allowable discharge for direct dischargers as defined in s. NR 233.305.

4Additional information and guidance on implementing these pollution prevention practices as well as evaluating compliance with these practices will be available in a pollution prevention guidance manual for the PFPR industry.

Table 9
Group 2 Mixtures - See PDF for table

Table 10

List of Appropriate Treatment Technologies1

This table contains those pollutant control technologies, such as hydrolysis. chemical oxidation, precipitation, and activated carbon adsorption, which have been used for estimating compliance costs on a pesticide active ingredient basis. In general, these treatment technologies have been determined to be effective in treating pesticide containing wastewaters in literature, in bench or pilot scale treatability studies or in the pesticide manufacturing effluent guidelines. These are the same technologies that are presented as part of the universal treatment system. However, these technologies are pesticide active ingredient specific and may need to be used in conjunction with one another to provide treatment for all pesticide active ingredients used at a facility over a period of time. In addition, facilities may experience difficulties treating wastewaters that contain emulsions, therefore, “appropriate" treatment for emulsified wastewaters must include an emulsion breaking step. For pesticide active ingredients whose technology is listed as “pollution prevention", the permitting authority or control authority can determine if additional treatment is necessary through best professional judgment or best engineering judgment, respectively. - See PDF for table - See PDF for table