40 CFR 421.305 - Pretreatment standards for existing sources.

View all text of Subpart AB [§ 421.300 - § 421.307]

§ 421.305 - Pretreatment standards for existing sources.

Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for existing sources. The mass of wastewater pollutants in primary and secondary titanium process wastewater introduced into a POTW must not exceed the following values:

(a) Chlorination off-gas wet air pollution control.

PSES for the Primary and Secondary Titanium Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per million pounds) of TiCl4 produced		Chromium (total)	0.346	0.140	Lead	0.262	0.122	Nickel	0.515	0.346	Titanium	0.496	0.215

(b) Chlorination Area-vent wet air pollution control.

PSES for the Primary and Secondary Titanium Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per million pounds) of TiCl4 produced		Chromium (total)	0.385	0.156	Lead	0.291	0.135	Nickel	0.572	0.385	Titanium	0.551	0.239

(c) TiCl4 handling wet air pollution control.

PSES for the Primary and Secondary Titanium Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per million pounds) of TiCl4 handled		Chromium (total)	0.069	0.028	Lead	0.052	0.024	Nickel	0.103	0.069	Titanium	0.099	0.043

(d) Reduction area wet air pollution control.

PSES for the Primary and Secondary Titanium Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per million pounds) of titanium produced		Chromium (total)	1.528	0.620	Lead	1.156	0.537	Nickel	2.272	1.528	Titanium	2.189	0.950

(e) Melt cell wet air pollution control.

PSES for the Primary and Secondary Titanium Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per million pounds) of titanium produced		Chromium (total)	0.787	0.319	Lead	0.595	0.276	Nickel	1.169	0.787	Titanium	1.127	0.489

(f) Chlorine liquefaction wet air pollution control.

PSES for the Primary and Secondary Titanium Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per million pounds) of titanium produced		Chromium (total)	11.010	4.463	Lead	8.332	3.868	Nickel	16.370	11.010	Titanium	15.770	6.844

(g) Sodium reduction container reconditioning wash water.

PSES for the Primary and Secondary Titanium Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per million pounds) of titanium produced		Chromium (total)	0.474	0.192	Lead	0.359	0.167	Nickel	0.705	0.474	Titanium	0.679	0.295

(h) Chip crushing wet air pollution control.

PSES for the Primary and Secondary Titanium Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per million pounds) of titanium produced		Chromium (total)	0.848	0.344	Lead	0.642	0.298	Nickel	1.261	0.848	Titanium	1.215	0.527

(i) Acid leachate and rinse water.

PSES for the Primary and Secondary Titanium Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per million pounds) of titanium produced		Chromium (total)	4.381	1.776	Lead	3.315	1.539	Nickel	6.512	4.381	Titanium	6.275	2.723

(j) Sponge crushing and screening wet air pollution control.

PSES for the Primary and Secondary Titanium Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per million pounds) of titanium produced		Chromium (total)	0.239	0.097	Lead	0.181	0.084	Nickel	0.356	0.239	Titanium	0.343	0.149

(k) Acid pickle and wash water.

PSES for the Primary and Secondary Titanium Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per million pounds) of titanium pickled		Chromium (total)	0.023	0.009	Lead	0.017	0.008	Nickel	0.034	0.023	Titanium	0.032	0.014

(l) Scrap milling wet air pollution control.

PSES for the Primary and Secondary Titanium Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per million pounds) of scrap milled		Chromium (total)	0.084	0.034	Lead	0.064	0.030	Nickel	0.125	0.084	Titanium	0.120	0.052

(m) Scrap detergent wash water.

PSES for the Primary and Secondary Titanium Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per million pounds) of scrap washed		Chromium (total)	6.684	2.710	Lead	5.058	2.348	Nickel	9.935	6.684	Titanium	9.574	4.155

(n) Casting crucible wash water.

PSES for the Primary and Secondary Titanium Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per million pounds) of titanium cast		Chromium (total)	0.176	0.072	Lead	0.134	0.062	Nickel	0.262	0.176	Titanium	0.253	0.110

(o) Casting contact cooling water.

PSES for the Primary and Secondary Titanium Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per million pounds) of titanium cast		Chromium (total)	27.000	10.950	Lead	20.430	9.486	Nickel	40.140	27.000	Titanium	38.680	16.780

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 421.305