40 CFR 467.56 - Pretreatment standards for new sources.

Regulations last checked for updates: May 17, 2024

Title 40 - Protection of Environment last revised: May 15, 2024

View all text of Subpart E [§ 467.50 - § 467.57]

§ 467.56 - Pretreatment standards for new sources.

Except as provided in 40 CFR 403.7, any new 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 new sources.

The mass of wastewater pollutants in aluminum forming process wastewater introduced into a POTW shall not exceed the values set forth below: Subpart E Core

Pollutant or pollutant property	PSNS
Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average
	mg/off-kg (lb/million off-lbs) of aluminum drawn with neat oils
Chromium	0.019	0.008
Cyanide	0.010	0.004
Zinc	0.051	0.021
TTO	0.035
Oil and grease (alternate monitoring parameter)	0.50	0.50

Subpart E Continuous Rod Casting Lubricant

Pollutant or pollutant property	PSNS
Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average
	mg/off-kg (lb/million off-lbs) of aluminum rod cast
Chromium	0.0007	0.0003
Cyanide	0.0004	0.0002
Zinc	0.0020	0.0008
TTO	0.0014
Oil and grease (alternate monitoring parameter)	0.020	0.020

Subpart E Continuous Rod Casting Contact Cooling Water

Pollutant or pollutant property	PSNS
Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average
	mg/off-kg (lb/million off-lbs) of aluminum rod cast
Chromium	0.072	0.029
Cyanide	0.039	0.016
Zinc	0.198	0.134
TTO		0.082
Oil and grease (alternate monitoring parameter)	1.94	1.94

Subpart E Solution Heat Treatment Contact Cooling Water

Pollutant or pollutant property	PSNS
Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average
	mg/off-kg (lb/million off-lbs) of aluminum quenched
Chromium	0.76	0.306
Cyanide	0.41	0.163
Zinc	2.08	0.856
TTO	1.41
Oil and grease (alternate monitoring parameter)	20.37	20.37

Subpart E Cleaning or Etching Bath

Pollutant or pollutant property	PSNS
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	0.067	0.027
Cyanide	0.036	0.015
Zinc	0.183	0.075
TTO	0.124
Oil and grease (alternate monitoring parameter)	1.79	1.79

Subpart E Cleaning or Etching Rinse

Pollutant or pollutant property	PSNS
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	0.52	0.21
Cyanide	0.28	0.11
Zinc	1.42	0.59
TTO	0.96
Oil and grease (alternate monitoring parameter)	13.91	13.91

Subpart E Cleaning or Etching Scrubber Liquor

Pollutant or pollutant property	PSNS
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	0.72	0.29
Cyanide	0.39	0.16
Zinc	1.97	0.812
TTO	1.34
Oil and grease (alternate monitoring parameter)	19.33	19.33

[48 FR 49149, Oct. 24, 1983; 49 FR 11632, 11633,,11635, 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 467.56