40 CFR 467.13 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.

Regulations last checked for updates: May 01, 2025

Title 40 - Protection of Environment last revised: Nov 01, 2025

View all text of Subpart A [§ 467.10 - § 467.17]

§ 467.13 - Effluent limitations 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 must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable. The mass of pollutants in the core and ancillary operations' process wastewater shall not exceed the following values:

Subpart A Core With an Annealing Furnace Scrubber

Pollutant or pollutant property	BAT effluent limitations
Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average
	mg/off-kg (lb/million off-lbs) of aluminum rolled with neat oils
Chromium	0.036	0.015
Cyanide	0.024	0.0098
Zinc	0.119	0.050
Aluminum	0.525	0.257

Subpart A Core Without an Annealing Furnace Scrubber

Pollutant or pollutant property	BAT effluent limitations
Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average
	mg/off-kg (lb/million off-lbs) of aluminum rolled with neat oils
Chromium	0.025	0.010
Cyanide	0.016	0.0067
Zinc	0.081	0.034
Aluminum	0.356	0.174

Subpart A Continuous Sheet Casting Spent Lubricant

Pollutant or pollutant property	BAT effluent limitations
Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average
	mg/off-kg (lb/million off-lbs) of aluminum sheet cast
Chromium	0.00086	0.00035
Cyanide	0.00057	0.00024
Zinc	0.00287	0.0012
Aluminum	0.0127	0.0062

Subpart A Solution Heat Treatment Contact Cooling Water

Pollutant or pollutant property	BAT effluent limitations
Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average
	mg/off-kg (lb/million off-lbs) of aluminum quenched
Chromium	0.897	0.367
Cyanide	0.591	0.245
Zinc	2.974	1.243
Aluminum	13.10	6.518

Subpart A Cleaning or Etching Bath

Pollutant or pollutant property	BAT effluent limitations
Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average
	mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched
Chromium	0.079	0.032
Cyanide	0.052	0.022
Zinc	0.262	0.109
Aluminum	1.151	0.573

Subpart A Cleaning or Etching Rinse

Pollutant or pollutant property	BAT effluent limitations
Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average
	mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched
Chromium	0.612	0.251
Cyanide	0.404	0.167
Zinc	2.031	0.849
Aluminum	8.944	4.45

Subpart A Cleaning or Etching Scrubber Liquor

Pollutant or pollutant property	BAT effluent limitations
Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average
	mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched
Chromium	0.851	0.348
Cyanide	0.561	0.232
Zinc	2.822	1.179
Aluminum	12.43	6.186

[48 FR 49149, Oct. 24, 1983; 49 FR 11631, 11632, Mar. 27, 1984]

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,c,e,and, 1316(b) andc, 1317(b) andc,1318; 86 Stat. 816, Pub. L. 92-500; 91 Stat. 1567, Pub. L. 95-217; 101 Stat. 7, Pub. L. 100-4

source: 48 FR 49149, Oct. 24, 1983, unless otherwise noted.

cite as: 40 CFR 467.13