40 CFR 421.274 - Standards of performance for new sources.

View all text of Subpart Y [§ 421.270 - § 421.277]

§ 421.274 - Standards of performance for new sources.

Any new source subject to this subpart shall achieve the following new source performance standards:

(a) Dryer Vent Water Quench and Scrubber.

NSPS for the Primary Rare Earth Metals Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per million pounds) of mischmetal produced from wet rare earth chlorides		Hexachlorobenzene	0.042	0.042	Chromium (total)	1.544	0.626	Lead	1.168	0.542	Nickel	2.295	1.544	Total suspended solids	62.600	50.080	pH	( 1)	( 1)

1 Within the range of 7.5 to 10.0 at all times.

(b) Dryer vent caustic wet air pollution control.

NSPS for the Primary Rare Earth Metals Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per million pounds) of mischmetal produced from wet rare earth chlorides		Hexachlorobenzene	0.007	0.007	Chromium (total)	0.272	0.110	Lead	0.206	0.095	Nickel	0.404	0.272	Total suspended solids	11.010	8.808	pH	( 1)	( 1)

1 Within the range of 7.5 to 10.0 at all times.

(c) Electrolytic cell water quench and scrubber.

NSPS for the Primary Rare Earth Metals Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per million pounds) of total mischmetal produced		Hexachlorobenzene	0.094	0.094	Chromium (total)	3.474	1.409	Lead	2.629	1.221	Nickel	5.165	3.474	Total suspended solids	140.900	112.700	pH	( 1)	( 1)

1 Within the range of 7.5 to 10.0 at all times.

(d) Electrolytic cell caustic wet air pollution control.

NSPS for the Primary Rare Earth Metals Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per million pounds) of total mischmetal produced		Hexachlorobenzene	0.000	0.000	Chromium (total)	0.000	0.000	Lead	0.000	0.000	Nickel	0.000	0.000	Total suspended solids	0.000	0.000	pH	( 1)	( 1)

1 Within the range of 7.5 to 10.0 at all times.

(e) Sodium hypochlorite filter backwash.

NSPS for the Primary Rare Earth Metals Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per million pounds) of total mischmetal produced		Hexachlorobenzene	0.004	0.004	Chromium (total)	0.134	0.054	Lead	0.101	0.047	Nickel	0.199	0.134	Total suspended solids	5.430	4.334	pH	( 1)	( 1)

1 Within the range of 7.5 to 10.0 at all times.

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 421.274