Wis. Admin. Code Department of Natural Resources NR 254.083

Current through November 25, 2024

Section NR 254.083 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable

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 BAT:

Table 69

Sheet And Plate Batch Oxidizing Salt Bath Descaling

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
Chromium	0.00292	0.00117
Nickel	0.00263	0.000876

Table 70

Rod And Wire Batch Oxidizing Salt Bath Descaling

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
Chromium	0.00175	0.000701
Nickel	0.00158	0.000526

Table 71

Pipe And Tube Batch Oxidizing Salt Bath Descaling

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
Chromium	0.00709	0.00284
Nickel	0.00638	0.00213

Table 72

Continuous Oxidizing Salt Bath Descaling

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
Chromium	0.00138	0.000551
Nickel	0.00124	0.000413

Table 73

Batch Reducing Salt Bath Descaling

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
Cyanide	0.00102	0.000339
Chromium	0.00136	0.000542
Nickel	0.00122	0.000407

Table 74

Continuous Reducing Salt Bath Descaling

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
Cyanide	0.00569	0.00190
Chromium	0.00759	0.00304
Nickel	0.00683	0.00228

Wis. Admin. Code Department of Natural Resources NR 254.083

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