40 CFR 421.282 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.

View all text of Subpart Z [§ 421.280 - § 421.287]

§ 421.282 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.

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 practicable technology currently available:

(a) Tantalum alloy leach and rinse.

BPT 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	438.100	230.600	Lead	96.850	46.120	Nickel	442.800	292.900	Zinc	336.700	140.700	Tantalum	103.800		Total suspended solids	9,455.000	4,497.000	pH	( 1)	( 1)

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

(b) Capacitor leach and rinse.

BPT 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	38.380	20.200	Lead	8.484	4.040	Nickel	38.780	25.650	Zinc	29.490	12.320	Tantalum	9.090		Total suspended solids	828.200	393.900	pH	( 1)	( 1)

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

(c) Tantalum sludge leach and rinse.

BPT 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	390.100	205.300	Lead	86.230	41.060	Nickel	394.200	260.700	Zinc	299.700	125.200	Tantalum	92.390		Total suspended solids	8,417.000	4,003.000	pH	( 1)	( 1)

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

(d) Tantalum powder acid wash and rinse.

BPT 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	0.665	0.350	Lead	0.147	0.070	Nickel	0.672	0.445	Zinc	0.511	0.214	Tantalum	0.158		Total suspended solids	14.350	6.825	pH	( 1)	( 1)

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

(e) Leaching wet air pollution control.

BPT 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	9.272	4.880	Lead	2.050	0.976	Nickel	9.370	6.198	Zinc	7.125	2.977	Tantalum	2.196		Total suspended solids	200.100	95.160	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 421.282