1. Regulations
  2. title 40
  3. chapter I-i30
  4. part 421
  5. subpart AA
  6. § 421.293

Collapse to view only § 421.293 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.

§ 421.290 - Applicability: Description of the secondary tin subcategory.

The provisions of this subpart are applicable to discharges resulting from the production of tin at secondary tin facilities utilizing either pyrometallurgical or hydrometallurgical processes to recover tin from secondary materials.

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 421.290

§ 421.291 - Specialized definitions.

For the purpose of this subpart the general definitions, abbreviations, and methods of analysis set forth in 40 CFR part 401 shall apply to this subpart.

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 421.291

§ 421.292 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the 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 shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable technology currently available:

(a) Tin smelter SO2 scrubber.

BPT Limitations for the Secondary Tin Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of crude tapped tin metal produced Arsenic19.2208.554 Lead3.8631.840 Iron11.0405.611 Tin3.4952.024 Total suspended solids377.100179.400 pH( 1)( 1)

1 Within the range of 7.5 to 10.0 at all times.

(b) Dealuminizing rinse.

BPT Limitations for the Secondary Tin Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of dealuminized scrap produced Lead0.0150.007 Cyanide (total)0.0100.004 Fluoride1.2250.700 Tin0.0130.008 Total suspended solids1.4350.683 pH( 1)( 1)

1 Within the range of 7.5 to 10.0 at all times.

(c) Tin mud acid neutralization filtrate.

BPT Limitations for the Secondary Tin Subcategory

Pollutant or pollutant property Minimum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of neutralized, dewatered tin mud produced Lead2.1201.009 Cyanide (total)1.4640.606 Fluoride176.600100.400 Tin1.9181.110 Total suspended solids206.90098.420 pH( 1)( 1)

1 Within the range of 7.5 to 10.0 at all times.

(d) Tin hydroxide wash.

BPT Limitations for the Secondary Tin Subcategory

Pollutant or pollutant property Minimum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of tin hydroxide washed Lead5.0202.391 Cyanide (total)3.4661.434 Fluoride418.400237.900 Tin4.5422.630 Total suspended solids490.100233.100 pH( 1)( 1)

1 Within the range of 7.5 to 10.0 at all times.

(e) Spent electrowinning solution from new scrap.

BPT Limitations for the Secondary Tin Subcategory

Pollutant or pollutant property Minimum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of cathode tin produced Lead7.0563.360 Cyanide (total)4.8722.016 Fluoride588.000334.300 Tin6.3843.696 Total suspended solids688.800327.600 pH( 1)( 1)

1 Within the range of 7.5 to 10.0 at all times.

(f) Spent electrowinning solution from municipal solid waste.

BPT Limitations for the Secondary Tin Subcategory

Pollutant or pollutant property Minimum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of MSW scrap used as raw material Lead0.0500.024 Cyanide (total)0.0350.014 Fluoride4.1652.368 Tin0.0450.026 Total suspended solids4.8792.321 pH( 1)( 1)

1 Within the range of 7.5 to 10.0 at all times.

(g) Tin hydroxide supernatant from scrap.

BPT Limitations for the Secondary Tin Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of tin metal recovered from scrap Lead23.37011.130 Cyanide (total)16.1406.677 Fluoride1,947.0001,107.000 Tin21.14012.240 Total suspended solids2,281.0001,085.000 pH( 1)( 1)

1 Within the range of 7.5 to 10.0 at all times.

(h) Tin hydroxide supernatant from plating solutions and sludges.

BPT Limitations for the Secondary Tin Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of tin metal recovered from plating solutions and sludges Lead48.3023.00 Cyanide (total)33.3513.80 Fluoride4,025.002,289.00 Tin43.7025.30 Total suspended solids4,715.002,243.00 pH( 1)( 1)

1 Within the range of 7.5 to 10.0 at all times.

(i) Tin hydroxide filtrate.

BPT Limitations for the Secondary Tin Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of tin metal produced Lead10.5205.009 Cyanide (total)7.2633.005 Fluoride876.500498.400 Tin9.5175.510 Total suspended solids1,027.000488.400 pH( 1)( 1)

1 Within the range of 7.5 to 10.0 at all times.

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 421.292

§ 421.293 - 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) Tin smelter SO2 scrubber.

BAT Limitations for the Secondary Tin Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of crude tapped tin produced Arsenic12.7905.703 Lead2.5751.196 Iron11.0405.611 Tin3.4952.024

(b) Dealuminizing rinse.

BAT Limitations for the Secondary Tin Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of dealuminized scrap produced Lead0.0100.005 Cyanide (total)0.0070.003 Fluoride1.2250.697 Tin0.0130.008

(c) Tin mud acid neutralization filtrate.

BAT Limitations for the Secondary Tin Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of neutralized dewatered tin mud produced Lead1.4130.656 Cyanide (total)1.0090.404 Fluoride176.600100.400 Tin1.9181.110

(d) Tin hydroxide wash.

BAT Limitations for the Secondary Tin Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of tin hydroxide washed Lead3.3471.554 Cyanide (total)2.3910.956 Fluoride418.400237.900 Tin4.5422.630

(e) Spent electrowinning solution from new scrap.

BAT Limitations for the Secondary Tin Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of cathode tin produced Lead4.7042.184 Cyanide (total)3.3601.344 Fluoride588.000334.300 Tin6.3843.696

(f) Spent electrowinning solution from municipal solid waste.

BAT Limitations for the Secondary Tin Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of MSW scrap used as raw material Lead0.0330.015 Cyanide (total)0.0240.010 Fluoride4.1652.368 Tin0.0450.026

(g) Tin hydroxide supernatant from scrap.

BAT Limitations for the Secondary Tin Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of tin metal recovered from scrap Lead15.5807.233 Cyanide (total)11.1304.451 Fluoride1,947.0001,107.000 Tin21.14021.240

(h) Tin hydroxide supernatant from plating solutions and sludges.

BAT Limitations for the Secondary Tin Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of tin metal recovered from plating solutions and sludges Lead32.2014.95 Cyanide (total)23.009.20 Fluoride4,025.002,289.00 Tin43.7025.30

(i) Tin hydroxide filtrate.

BAT Limitations for the Secondary Tin Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of tin metal produced Lead7.0123.256 Cyanide (total)5.0092.004 Fluoride876.500498.400 Tin9.5175.510

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 421.293

§ 421.294 - Standards of performance for new sources.

Any new source subject to this subpart shall achieve the following new source performance standards:

(a) Tin smelter SO2 scrubber.

NSPS for the Secondary Tin Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of crude tapped tin produced Arsenic12.7905.703 Lead2.5751.196 Iron11.0405.611 Tin3.4952.024 Total suspended solids138.000110.400 pH( 1)( 1)

1 Within the range of 7.5 to 10.0 at all times.

(b) Dealuminizing rinse.

NSPS for the Secondary Tin Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of dealuminized scrap produced Lead0.0100.005 Cyanide (total)0.0070.003 Fluoride1.2250.697 Tin0.0130.008 Total suspended solids0.5250.420 pH( 1)( 1)

1 Within the range of 7.5 to 10.0 at all times.

(c) Tin mud acid neutralization filtrate.

NSPS for the Secondary Tin Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of neutralized dewatered tin mud produced Lead1.4130.656 Cyanide (total)1.0090.404 Fluoride176.600100.400 Tin1.9181.110 Total suspended solids75.71060.560 pH( 1)( 1)

1 Within the range of 7.5 to 10.0 at all times.

(d) Tin hydroxide wash.

NSPS for the Secondary Tin Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of tin hydroxide washed Lead3.3471.554 Cyanide (total)2.3910.956 Fluoride418.400237.900 Tin4.5422.630 Total suspended solids179.300143.400 pH( 1)( 1)

1 Within the range of 7.5 to 10.0 at all times.

(e) Spent electrowinning solution from new scrap.

NSPS for the Secondary Tin Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of cathode tin produced Lead4.7042.184 Cyanide (total)3.3601.344 Fluoride588.000334.300 Tin6.3843.696 Total suspended solids252.000201.600 pH( 1)( 1)

1 Within the range of 7.5 to 10.0 at all times.

(f) Spent electrowinning solution from municipal solid waste.

NSPS for the Secondary Tin Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of MSW scrap used as raw material Lead0.0330.015 Cyanide (total)0.0240.010 Fluoride4.1652.368 Tin0.0450.026 Total suspended solids1.7851.428 pH( 1)( 1)

1 Within the range of 7.5 to 10.0 at all times.

(g) Tin hydroxide supernatant from scrap.

NSPS for the Secondary Tin Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of tin metal recovered from scrap Lead15.5807.233 Cyanide (total)11.1304.451 Fluoride1,947.0001,107.000 Tin21.14012.240 Total suspended solids834.600667.700 pH( 1)( 1)

1 Within the range of 7.5 to 10.0 at all times.

(h) Tin hydroxide supernatant from plating solutions and sludges.

NSPS for the Secondary Tin Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of tin metal recovered from plating solutions and sludges Lead32.2014.95 Cyanide (total)23.009.20 Fluoride4,025.002,289.00 Tin43.7025.30 Total suspended solids1,725.001,380.00 pH( 1)( 1)

1 Within the range of 7.5 to 10.0 at all times.

(i) Tin hydroxide filtrate.

NSPS for the Secondary Tin Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of tin metal produced Lead7.0123.256 Cyanide (total)5.0092.004 Fluoride876.500498.400 Tin9.5175.510 Total suspended solids375.700300.500 pH( 1)( 1)

1 Within the range of 7.5 to 10.0 at all times.

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 421.294

§ 421.295 - Pretreatment standards for existing sources.

Except as provided in 40 CFR 403.7 and 403.13, any existing 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 existing sources. The mass of wastewater pollutants in secondary tin process wastewater introduced into a POTW must not exceed the following values:

(a) Tin smelter SO2 scrubber.

PSES for the Secondary Tin Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of crude tapped tin produced Arsenic12.7905.703 Lead2.5751.196 Iron11.0405.611 Tin3.4952.024

(b) Dealuminizing rinse.

PSES for the Secondary Tin Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of dealuminized scrap produced Lead0.0100.005 Cyanide (total)0.0070.003 Fluoride1.2250.697 Tin0.0130.008

(c) Tin mud acid neutralization filtrate.

PSES for the Secondary Tin Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of neutralized dewatered tin mud produced Lead1.4130.656 Cyanide (total)1.0090.404 Fluoride176.600100.400 Tin1.9181.110

(d) Tin hydroxide wash.

PSES for the Secondary Tin Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of tin hydroxide washed Lead3.3471.554 Cyanide (total)2.3910.956 Fluoride418.400237.900 Tin4.5422.630

(e) Spent electrowinning solution from new scrap.

PSES for the Secondary Tin Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of cathode tin produced Lead4.7042.184 Cyanide (total)3.3601.344 Fluoride588.000334.300 Tin6.3843.696

(f) Spent electrowinning solution from municipal solid waste.

PSES for the Secondary Tin Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of MSW scrap used as raw material Lead0.0330.015 Cyanide (total)0.0240.010 Fluoride4.1652.368 Tin0.0450.026

(g) Tin hydroxide supernatant from scrap.

PSES for the Secondary Tin Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of tin metal recovered from scrap Lead15.5807.233 Cyanide (total)11.1304.451 Fluoride1,947.0001,107.000 Tin21.14012.240

(h) Tin hydroxide supernatant from plating solutions and sludges.

PSES for the Secondary Tin Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of tin metal recovered from plating solutions and sludges Lead32.2014.95 Cyanide (total)23.009.20 Fluoride4,025.002,289.00 Tin43.7025.30

(i) Tin hydroxide filtrate.

PSES for the Secondary Tin Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of tin metal produced Lead7.0123.256 Cyanide (total)5.0092.004 Fluoride876.500498.400 Tin9.5175.510

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 421.295

§ 421.296 - 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 secondary tin process wastewater introduced into a POTW shall not exceed the following values:

(a) Tin smelter SO2 scrubber.

PSNS for the Secondary Tin Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of crude tapped tin produced Arsenic12.7905.703 Lead2.5751.196 Iron11.0405.611 Tin3.4952.024

(b) Dealuminizing rinse.

PSNS for the Secondary Tin Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of dealuminized scrap produced Lead0.0100.005 Cyanide (total)0.0070.003 Fluoride1.2250.697 Tin0.0130.008

(c) Tin mud acid neutralization filtrate.

PSNS for the Secondary Tin Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million of pounds) of neutralized dewatered tin mud produced Lead1.4130.656 Cyanide (total)1.0090.404 Fluoride176.600100.400 Tin1.9181.110

(d) Tin hydroxide wash.

PSNS for the Secondary Tin Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of tin hydroxide washed Lead3.3471.554 Cyanide (total)2.3910.956 Fluoride418.400237.900 Tin4.5422.630

(e) Spent electrowinning solution from new scrap.

PSNS for the Secondary Tin Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of cathode tin produced Lead4.7042.184 Cyanide (total)3.3601.344 Fluoride588.000334.300 Tin6.3843.696

(f) Spent electrowinning solution from municipal solid waste.

PSNS for the Secondary Tin Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of MSW scrap used as raw material Lead0.0330.015 Cyanide (total)0.0240.010 Fluoride4.1652.368 Tin0.0450.026

(g) Tin hydroxide supernatant from scrap.

PSNS for the Secondary Tin Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of tin metal recovered from scrap Lead15.5807.233 Cyanide (total)11.1304.451 Fluoride1,947.0001,107.000 Tin21.14012.240

(h) Tin hydroxide supernatant from plating solutions and ludges.

PSNS for the Secondary Tin Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of tin metal recovered from plating solutions and sludges Lead32.2014.95 Cyanide (total)23.009.20 Fluoride4,025.002,289.00 Tin43.7025.30

(i) Tin hydroxide filtrate.

PSNS for the Secondary Tin Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of tin metal produced Lead7.0123.256 Cyanide (total)5.0092.004 Fluoride876.500498.400 Tin9.5175.510

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 421.296

§ 421.297 - [Reserved]

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 421.297