40 CFR 421.283 - 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 Z [§ 421.280 - § 421.287]

§ 421.283 - 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) Tantalum alloy leach and rinse.

BAT Limitations for the Secondary Tantalum Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per million pounds) of tantalum powder produced		Copper	295.200	140.700	Lead	64.570	29.980	Nickel	126.800	85.320	Zinc	235.200	96.850	Tantalum	103.800

(b) Capacitor leach and rinse.

BAT Limitations for the Secondary Tantalum Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per million pounds) of tantalum powder produced from leaching		Copper	25.860	12.320	Lead	5.656	2.626	Nickel	11.110	7.474	Zinc	20.600	8.484	Tantalum	9.090

(c) Tantalum sludge leach and rinse.

BAT Limitations for the Secondary Tantalum Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per million pounds) of equivalent pure tantalum powder produced		Copper	262.800	125.200	Lead	57.480	26.690	Nickel	112.900	75.960	Zinc	209.400	86.230	Tantalum	92.390

(d) Tantalum powder acid wash and rinse.

BAT Limitations for the Secondary Tantalum Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per million pounds) of tantalum powder produced		Copper	0.448	0.214	Lead	0.098	0.046	Nickel	0.193	0.130	Zinc	0.357	0.147	Tantalum	0.158

(e) Leaching wet air pollution control.

BAT Limitations for the Secondary Tantalum Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per million pounds) of equivalent pure tantalum powder produced		Copper	6.246	2.977	Lead	1.366	0.634	Nickel	2.684	1.806	Zinc	4.978	2.050	Tantalum	2.196

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 421.283