40 CFR 421.236 - Pretreatment standards for new sources.

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

§ 421.236 - Pretreatment standards for new sources.

Except as provided in 40 CFR 403.7, any new source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with a 40 CFR part 403 and achieve the following pretreatment standards for new sources. The mass of wastewater pollutants in primary nickel and cobalt process wastewater introduced into a POTW shall not exceed the following values:

(a) Raw material dust control.

PSNS 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.

PSNS 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

PSNS 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) 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.

PSNS 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

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 421.236