Statutes, codes, and regulations
Wisconsin Administrative Code
Agency - Department of Natural ResourcesEnvironmental Protection - Wisconsin Pollutant Discharge Elimination SystemChapter NR 235 - Organic chemical manufacturing
Subchapter IV - Thermoplastic Resins
Section NR 235.31 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT)

Wis. Admin. Code Department of Natural Resources NR 235.31

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Current through October 28, 2024
Section NR 235.31 - 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 125.30 to 125.32, and in s. NR 235.02(9) for point sources with production in 2 or more subcategories, any existing point source subject to this section shall achieve the following limitations:

(1) Limitations shall be calculated by multiplying the following concentrations by the manufacturing process wastewater flow:

Thermoplastic Resins

BPT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/1

mg/1

BOD5

64

24

TSS

130

40

(2) The pH shall be within the range of 6.0 to 9.0 at all times.

Wis. Admin. Code Department of Natural Resources NR 235.31

Cr. Register, March, 1997, No. 495, eff. 4-1-97.