40 CFR 467.62 - Effluent limitations representing the degree of effluent reduction attainable by the application of best practicable control technology currently available.

Regulations last checked for updates: Oct 18, 2024

Title 40 - Protection of Environment last revised: Oct 16, 2024

View all text of Subpart F [§ 467.60 - § 467.67]

§ 467.62 - Effluent limitations representing the degree of effluent reduction attainable by the application of 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 must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available:

Subpart F Core

Pollutant or pollutant property	BPT effluent limitations
Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average
	mg/off-kg (lb/million off-lbs) of aluminum drawn with emulsions or soaps
Chromium	0.205	0.084
Cyanide	0.135	0.056
Zinc	0.680	0.285
Aluminum	3.00	1.50
Oil and grease	9.33	5.60
Suspended solids	19.12	9.10
pH	( ¹)	( ¹)

¹Within the range of 7.0 to 10 at all times.

Subpart F Continuous Rod Casting Spent Lubricant

Pollutant or pollutant property	BPT effluent limitations
Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average
	mg/off-kg (lb/million off-lbs) of aluminum cast
Chromium	0.0009	0.0004
Cyanide	0.0006	0.0003
Zinc	0.0029	0.001
Aluminum	0.013	0.007
Oil and grease	0.040	0.024
Suspended solids	0.081	0.039
pH	( ¹)	( ¹)

¹Within the range of 7.0 to 10 at all times.

Subpart F Continuous Rod Casting Contact Cooling Water

Pollutant or pollutant property	BPT effluent limitations
Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average
	mg/off-kg (lb/million off-lbs) of aluminum cast
Chromium	0.684	0.28
Cyanide	0.450	0.187
Zinc	2.27	0.949
Aluminum	10.00	4.976
Oil and grease	31.10	18.66
Suspended solids	63.76	30.323
pH	( ¹)	( ¹)

¹Within the range of 7.0 to 10 at all times.

Subpart F Solution Heat Treatment Contact Cooling Water

Pollutant or pollutant property	BPT 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	3.39	1.39
Cyanide	2.24	0.93
Zinc	11.25	4.70
Aluminum	49.55	24.66
Oil and grease	154.10	92.46
Suspended solids	315.91	150.25
pH	( ¹)	( ¹)

¹ Within the range of 7.0 to 10 at all times.

Subpart F Cleaning or Etching Bath

Pollutant or pollutant property	BPT 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	1.15	0.573
Oil and grease	3.58	2.15
Suspended solids	7.34	3.49
pH	( ¹)	( ¹)

¹ Within the range of 7.0 to 10 at all times.

Subpart F Cleaning or Etching Rinse

Pollutant or pollutant property	BPT 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	6.12	2.51
Cyanide	4.04	1.67
Zinc	20.31	8.49
Aluminum	89.46	44.519
Oil and grease	278.24	166.95
Suspended solids	570.39	271.29
pH	( ¹)	( ¹)

¹ Within the range of 7.0 to 10 at all times.

Subpart F Cleaning or Etching Scrubber Liquor

Pollutant or pollutant property	BPT 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	7.00	2.86
Cyanide	4.61	1.91
Zinc	23.22	9.70
Aluminum	102.24	50.88
Oil and grease	318.00	190.80
Suspended solids	651.90	310.05
pH	( ¹)	( ¹)

¹ Within the range of 7.0 to 10 at all times.

[48 FR 49149, Oct. 24, 1983; 49 FR 11633, 11635, Mar. 27, 1984]

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

cite as: 40 CFR 467.62