40 CFR § 467.62 - Effluent limitations representing the degree of effluent reduction attainable by the application of best practicable control technology currently available.
---
identifier: "/us/cfr/t40/s467.62"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 467.62 - Effluent limitations representing the degree of effluent reduction attainable by the application of best practicable control technology currently available."
title_number: 40
title_name: "Protection of Environment"
section_number: "467.62"
section_name: "Effluent limitations representing the degree of effluent reduction attainable by the application of best practicable control technology currently available."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "N"
subchapter_name: "EFFLUENT GUIDELINES AND STANDARDS"
part_number: "467"
part_name: "ALUMINUM FORMING POINT SOURCE CATEGORY"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
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."
regulatory_source: "48 FR 49149, Oct. 24, 1983, unless otherwise noted."
cfr_part: "467"
---
# 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
| | | |
| --- | --- | --- |
| | 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 | () | () |
| Within the range of 7.0 to 10 at all times. | | |
****Subpart F
****Continuous Rod Casting Spent Lubricant
| | | |
| --- | --- | --- |
| | 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 | () | () |
| Within the range of 7.0 to 10 at all times. | | |
****Subpart F
****Continuous Rod Casting Contact Cooling Water
| | | |
| --- | --- | --- |
| | 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 | () | () |
| Within the range of 7.0 to 10 at all times. | | |
****Subpart F
****Solution Heat Treatment Contact Cooling Water
| | | |
| --- | --- | --- |
| | 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 | () | () |
| Within the range of 7.0 to 10 at all times. | | |
****Subpart F
****Cleaning or Etching Bath
| | | |
| --- | --- | --- |
| | 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 | () | () |
| Within the range of 7.0 to 10 at all times. | | |
****Subpart F
****Cleaning or Etching Rinse
| | | |
| --- | --- | --- |
| | 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 | () | () |
| Within the range of 7.0 to 10 at all times. | | |
****Subpart F
****Cleaning or Etching Scrubber Liquor
| | | |
| --- | --- | --- |
| | 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 | () | () |
| Within the range of 7.0 to 10 at all times. | | |
[48 FR 49149, Oct. 24, 1983; 49 FR 11633, 11635, Mar. 27, 1984]