Wis. Admin. Code Department of Natural Resources NR 254.012

Current through August 26, 2024
Section NR 254.012 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available
(1) Except as provided in 40 CFR 125.30 to 125.32, any existing source subject to this subchapter shall achieve the effluent limitations set forth in sub. (2), (3), or (4) representing the degree of effluent reduction attainable by the application of BPT.
(2) IRON AND STEEL BYPRODUCT COKEMAKING.
(a) The following BPT effluent limitations apply:

Table 1

Iron and Steel Byproduct Cokemaking

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

0.253

0.131

O&G

0.0327

0.0109

Ammonia-N

0.274

0.0912

Cyanide

0.0657

0.0219

Phenols (4AAP)

0.00451

0.00150

pH

(1)

(1)

(1) Within the range of 6.0 to 9.0

(b) Increased loadings, not to exceed 11% above the limitations in par. (a), are allowed for plants which have wet desulfurization systems but only to the extent that such systems generate an increased effluent volume.
(c) Increased loadings, not to exceed 27% above the limitations in par. (a), are allowed for plants which include indirect ammonia recovery systems but only to the extent that such systems generate an increased effluent volume.
(3) MERCHANT BYPRODUCT COKEMAKING.
(a) The following BPT effluent limitations apply:

Table 2

Merchant Byproduct Cokemaking

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

0.270

0.140

O&G

0.0349

0.0116

Ammonia-N

0.292

0.0973

Cyanide

0.0701

0.0234

Phenols (4AAP)

0.00481

0.00160

pH

(1)

(1)

(1) Within the range of 6.0 to 9.0

(b) Increased loadings, not to exceed 10% above the limitations in par. (a), are allowed for plants which have wet desulfurization systems but only to the extent that such systems generate an increased effluent volume.
(c) Increased loadings, not to exceed 25% above the limitations in par. (a), are allowed for plants which include indirect ammonia recovery systems but only to the extent that such systems generate an increased effluent volume.
(4) BEEHIVE COKEMAKING. Beehive cokemaking operations may not discharge process wastewaters to waters of the state.

Wis. Admin. Code Department of Natural Resources NR 254.012

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