40 CFR 421.213 - 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 S [§ 421.210 - § 421.217]

§ 421.213 - 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) Molybdenum sulfide leachate.

BAT Limitations for the Primary Molybdenum and Rhenium Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds million pounds) of molybdenum sulfide leached		Arsenic	0.644	0.287	Lead	0.130	0.060	Nickel	0.255	0.171	Selenium	0.380	0.171	Molybdenum	[Reserved]	[Reserved]	Ammonia (as N)	61.720	27.130	Fluoride	16.210	9.214

(b) Roaster SO2 scrubber.

BAT Limitations for the Primary Molybdenum and Rhenium Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per/million pounds) of molybdenum sulfide roasted		Arsenic	2.334	1.041	Lead	0.470	0.218	Nickel	0.924	0.621	Selenium	1.377	0.621	Molybdenum	[Reserved]	[Reserved]	Ammonia (as N)	223.800	98.390	Fluoride	58.770	33.410

(c) Molybdic oxide leachate.

BAT Limitations for the Primary Molybdenum and Rhenium Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per/million pounds) of molybdenum contained in molybdic oxide leached		Arsenic	16.100	7.182	Lead	3.244	1.506	Nickel	6.371	4.286	Selenium	9.499	4.286	Molybdenum	[Reserved]	[Reserved]	Ammonia (as N)	1,544.000	678.800	Fluoride	405.400	230.500

(d) Hydrogen reduction furnace scrubber.

BAT Limitations for the Primary Molybdenum and Rhenium Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per/million pounds) of molybdenum metal powder produced		Arsenic	3.183	1.420	Lead	0.641	0.298	Nickel	1.260	0.847	Selenium	1.878	0.847	Molybdenum	[Reserved]	[Reserved].	Ammonia (as N)	305.300	134.200	Fluoride	80.150	45.570

(e) Depleted rhenium scrubbing solution.

BAT Limitations for the Primary Molybdenum and Rhenium Subcategory

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average		mg/kg (pounds per/million pounds) of molybdenum sulfide roasted		Arsenic	0.995	0.444	Lead	0.201	0.093	Nickel	0.394	0.265	Selenium	0.587	0.265	Molybdenum	[Reserved]	[Reserved].	Ammonia (as N)	95.440	41.960	Fluoride	25.060	14.250

[50 FR 38355, Sept. 20, 1985, as amended at 55 FR 31701, 31702, Aug. 3, 1990]

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 421.213