Wis. Admin. Code Department of Natural Resources NR 254.042

Current through October 28, 2024

Section NR 254.042 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available

Except as provided in 40 CFR 125.30 to 125.32, any existing point source subject to this subchapter shall achieve the following effluent limitations representing the degree of effluent reduction attainable by application of BPT. Semi-wet basic oxygen furnace steelmaking operations and semi-wet electric arc furnace steelmaking operations may not discharge process wastewater pollutants to waters of the state.

Table 27

Wet Suppressed Combustion Basic Oxygen Furnace

BPT Effluent Limitations
Maximum for any 1 day	Average of daily values for 30 consecutive days
Pollutant or pollutant property	kg/kkg (pounds per 1,000 pounds) of product
TSS	0.0312	0.0104
pH	(1)	(1)

(1) Within the range of 6.0 to 9.0

Table 28

Wet Open Combustion Basic Oxygen Furnace Steelmaking,Wet Open Hearth Furnace Steelmaking, and Wet Electric Arc Furnace Steelmaking

BPT Effluent Limitations
Maximum for any 1 day	Average of daily values for 30 consecutive days
Pollutant or pollutant property	kg/kkg (pounds per 1,000 pounds) of product
TSS	0.0687	0.0229
pH	(1)	(1)

(1) Within the range of 6.0 to 9.0

Wis. Admin. Code Department of Natural Resources NR 254.042

Cr. Register, May, 1989, No. 401, eff. 6-1-89.