40 CFR 421.233 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.

View all text of Subpart U [§ 421.230 - § 421.237]

§ 421.233 - Effluent limitations guidelines 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 through 125.32, any existing point source subject to this subpart shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable:

(a) Raw material dust control.

BAT Limitations for the Primary Nickel and Cobalt Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per million pounds) of copper, nickel, and cobalt in the crushed raw material		Copper	0.099	0.047	Nickel	0.042	0.028	Ammonia (as N)	10.260	4.512	Cobalt	0.011	0.005

(b) Nickel wash water.

BAT Limitations for the Primary Nickel and Cobalt Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per million pounds) of nickel powder washed		Copper	0.043	0.021	Nickel	0.019	0.013	Ammonia (as N)	4.515	1.985	Cobalt	0.005	0.002

BAT Limitations for the Primary Nickel and Cobalt Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per million pounds) of nickel produced		Copper	16.250	7.744	Nickel	6.982	4.697	Ammonia (as N)	1,692.000	743.900	Cobalt	1.777	0.889

(d) Cobalt reduction decant.

BAT Limitations for the Primary Nickel and Cobalt Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per million pounds) of cobalt produced		Copper	27.390	13.050	Nickel	11.770	7.917	Ammonia (as N)	2,852.000	1,254.000	Cobalt	2.996	1.498

[50 FR 38359, Sept. 20, 1985; 50 FR 41144, Oct. 9, 1985]

AUTHORITY: Secs. 301, 304 (b), (c), (e), and (g), 306 (b) and (c), 307 (b) and (c), 308 and 501 of the Clean Water Act (the Federal Water Pollution Control Act Amendments of 1972, as amended by the Clean Water Act of 1977) and the Water Quality Act of 1987 (the “Act”); 33 U.S.C. 1311, 1314 (b), (c), (e), and (g), 1316 (b) and (c), 1317 (b) and (c), 1318 and 1361; 86 Stat. 816, Pub. L. 92-500; 91 Stat. 1567, Pub. L. 95-217; 101 Stat. 7, Pub. L. 100-4.

SOURCE: 49 FR 8790, Mar. 8, 1984, unless otherwise noted.

CITE AS: 40 CFR 421.233