1. Regulations
  2. title 40
  3. chapter I-i31
  4. part 464
  5. subpart B
  6. § 464.26

Collapse to view only § 464.26 - Pretreatment standards for new sources.

§ 464.20 - Applicability; description of the copper casting subcategory.

The provisions of this subpart are applicable to discharges to waters of the United States and to the introduction of pollutants into publicly owned treatment works resulting from copper casting operations as defined in § 464.02(b).

AUTHORITY: Secs. 301, 304 (b), (c), (e), and (g), 306 (b) and (c), 307, 308, and 501 of the Clean Water Act (Federal Water Pollution Control Act Amendments of 1972, as amended by the Clean Water Act of 1977) (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.

SOURCE: 50 FR 45247, Oct. 30, 1985, unless otherwise noted.

CITE AS: 40 CFR 464.20

§ 464.21 - Specialized definitions.

For the purpose of this subpart:

(a) Total Toxic Organics (TTO). TTO is a regulated parameter under PSES (§ 464.25) and PSNS (§ 464.26) for the copper subcategory and is comprised of a discrete list of toxic organic pollutants for each process segment where it is regulated, as follows:

(1) Casting Quench (§ 464.25(a) and § 464.26(a)):

23. chloroform (trichloromethane) 64. pentachlorophenol 66. bis(2-ethylhexyl)phthalate 71. dimethyl phthalate

(2) Dust Collection Scrubbers (§ 464.25(c) and 464.26(c)):

1. acenaphthene 22. para-chloro meta-cresol 23. chloroform (trichloromethane) 34. 2,4-dimethylphenol 55. naphthalene 58. 4-nitrophenol 64. pentachlorophenol 65. phenol 66. bis(2-ethylhexyl)phthalate 67. butyl benzyl phthalate 68. di-n-butyl phthalate 70. diethyl phthalate 71. dimethyl phthalate 72. benzo(a)anthracene (1,2-benzanthracene) 74. 3,4-benzofluoranthene 75. benzo(k) fluoranthene 76. chrysene 77. acenaphthylene 78. anthracene 81. phenanthrene 84. pyrene

(3) Investment Casting (§ 464.25(e) and § 464.26(e)):

1. acenaphthene 22. para-chloro meta-cresol 23. chloroform (trichloromethane) 34. 2,4-dimethylphenol 55. naphthalene 58. 4-nitrophenol 64. pentachlorophenol 65. phenol 66. bis (2-ethylhexyl)phthalate 67. butyl benzyl phthalate 68. di-n-butyl phthalate 70. diethyl phthalate 71. dimethyl phthalate 72. benzo(a)anthracene (1,2-benzanthracene) 74. 3,4-benzofluoranthene 75. benzo(k) fluoranthene 76. chrysene 77. acenaphthylene 78. anthracene 81. Phenanthrene 84. pyrene

(4) Melting Furnace Scrubber (§ 464.25(f) and § 464.26(f)):

1. acenaphthene 22. para-chloro meta-cresol 23. chloroform (trichloromethane) 34. 2,4-dimethylphenol 55. naphthalene 58. 4-nitrophenol 64. pentachlorophenol 65. phenol 66. bis (2-ethylhexyl) phthalate 67. butyl benzyl phthalate 68. di-n-butyl phthalate 70. diethyl phthalate 71. dimethyl phthalate 72. benzo(a)anthracene (1,2-benzanthracene) 74. 3,4-benzoflouranthene 75. benzo(k) flouranthene 76. chrysene 77. acenaphthylene 78. anthracene 81. phenanthrene 84. pyrene

(5) Mold Cooling (§ 464.25(g) and § 464.26(g)):

23. chloroform (trichloromethane) 64. pentachlorophenol 66. bis(2-ethylhexyl)phthalate 71. dimethyl phthalate

AUTHORITY: Secs. 301, 304 (b), (c), (e), and (g), 306 (b) and (c), 307, 308, and 501 of the Clean Water Act (Federal Water Pollution Control Act Amendments of 1972, as amended by the Clean Water Act of 1977) (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.

SOURCE: 50 FR 45247, Oct. 30, 1985, unless otherwise noted.

CITE AS: 40 CFR 464.21

§ 464.22 - 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 must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available, except that non-continuous dischargers shall not be subject to the maximum day and maximum for monthly average mass (kg/1,000 kkg or lb/million lb of metal poured; kg/62.3 million Sm 3 or lb/billion SCF of air scrubbed) effluent limitations for copper, lead, zinc, total phenols, oil and grease, and TSS. For non-continuous dischargers, annual average mass limitations and maximum day and maximum for monthly average concentration (mg/l) limitations shall apply. Concentration limitations and annual average mass limitations shall only apply to non-continuous dischargers.

(a) Casting Quench Operations.

BPT Effluent Limitations

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average kg/1,000 kkg (pounds per million pounds) of metal poured Copper (T)0.03070.0168 Lead (T)0.03150.0156 Zinc (T)0.04550.0171 Oil and grease1.20.399 TSS1.520.598 pH( 1)( 1)

1 Within the range of 7.0 to 10.0 at all times.

Maximum for any 1 day Maximum for monthly average Annual average 1(mg/l) 2(mg/l) 2Copper (T)0.770.420.0068 Lead (T)0.790.390.0088 Zinc (T)1.140.430.0108 Oil and grease30100.199 TSS38150.399 pH( 3)( 3)( 3)

1 kg/1000 kkg (pounds per million pounds) of metal poured

2 These concentrations must be multiplied by the ratio of (4.8/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant.

3 Within the range of 7.0 to 10.0 at all times.

(b) Direct Chill Casting Operations.

BPT Effluent Limitations

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average kg/1,000 kkg (pounds per million pounds) of metal poured Copper (T)0.9280.506 Lead (T)0.9520.47 Zinc (T)1.370.518 Oil and grease36.212.1 TSS45.818.1 pH( 1)( 1)

1 Within the range of 7.0 to 10.0 at all times.

Maximum for any 1 day Maximum for monthly average Annual average 1(mg/l) 2(mg/l) 2Copper (T)0.770.420.205 Lead (T)0.790.390.265 Zinc (T)1.140.430.326 Oil and grease30106.03 TSS381512.1 pH( 3)( 3)( 3)

1 kg/1000 kkg (pounds per million pounds) of metal poured.

2 These concentrations must be multiplied by the ratio of (145/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant.

3 Within the range of 7.0 to 10.0 at all times.

(c) Dust Collection Scrubber Operations.

BPT Effluent Limitations

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average kg/62.3 million Sm 3 (pounds per billion SCF) of air scrubbed Copper (T)0.5530.301 Lead (T)0.5670.28 Zinc (T)0.8180.309 Total phenols0.6170.215 Oil and grease21.57.18 TSS27.310.8 ph( 1)( 1)

1 Within the range of 7.0 to 10.0 at all times.

Maximum for any 1 day Maximum for monthly average Annual average 1(mg/l) 2(mg/l) 2Copper (T)0.770.420.122 Lead (T)0.790.390.158 Zinc (T)1.140.430.194 Total phenols0.860.30.144 Oil and grease30103.59 TSS38157.18 pH( 3)( 3)( 3)

1 kg/62.3 million Sm 3 (pounds per billion SCF) of air scrubbed.

2 These concentrations must be multiplied by the ratio of (0.086/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 SCF of air scrubbed) for a specific plant.

3 Within the range of 7.0 to 10.0 at all times.

(d) Grinding Scrubber Operations. No discharge of process wastewater pollutants to navigable waters.

(e) Investment Casting.

BPT Effluent Limitations

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average kg/1,000 kkg (pounds per million pounds) of metal poured Copper (T)8.484.63 Lead (T)8.74.3 Zinc (T)12.64.74 Oil and grease330110 TSS419165 pH( 1)( 1)

1 Within the range of 7.0 to 10.0 at all times.

Maximum for any 1 day Maximum for monthly average Annual average 1(mg/l) 2(mg/l) 2Copper (T)0.770.421.87 Lead (T)0.790.392.42 Zinc (T)1.140.432.97 Oil and grease301055.1 TSS3815110 pH( 3)( 3)( 3)

1 kg/1,000 kkg (pounds per million pounds) of metal poured.

2 These concentrations must be multiplied by the ratio of (1,320/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant.

3 Within the range of 7.0 to 10.0 at all times.

(f) Melting Furnace Scrubber Operations.

BPT Effluent Limitations

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average kg/62.3 million Sm 3 (pounds per billion SCF) of air scrubbed Copper (T)1.810.988 Lead (T)1.860.918 Zinc (T)2.681.01 Total phenols2.020.706 Oil and grease70.623.5 TSS89.435.3 pH( 1)( 1)

1 Within the range of 7.0 to 10.0 at all times.

Maximum for any 1 day Maximum for monthly average Annual average 1(mg/l) 2(mg/l) 2Copper (T)0.770.420.4 Lead (T)0.790.390.518 Zinc (T)1.140.430.635 Total phenols0.860.30.467 Oil and grease301011.8 TSS381523.5 pH( 3)( 3)( 3)

1 kg/62.3 million Sm 3 (pound per billion SCF) of air scrubbed.

2 These concentrations must be multiplied by the ratio of (0.282/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 SCF of air scrubbed) for a specific plant.

3 Within the range of 7.0 to 10.0 at all times.

(g) Mold Cooling Operations.

BPT Effluent Limitations

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average kg/1,000 kkg (pounds per million pounds) of metal poured Copper (T)0.3920.214 Lead (T)0.4020.199 Zinc (T)0.580.219 Oil and grease15.35.09 TSS19.37.63 pH( 1)( 1)

1 Within the range of 7.0 to 10.0 at all times.

Maximum for any 1 day Maximum for monthly average Annual average 1(mg/l) 2(mg/l) 2Copper (T)0.770.420.0865 Lead (T)0.790.390.112 Zinc (T)1.140.430.137 Oil and grease30102.54 TSS38155.09 pH( 3)( 3)( 3)

1 kg/1,000 kkg (pounds per million pounds) of metal poured.

2 These concentrations must be multiplied by the ratio of (61/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant.

3 Within the range of 7.0 to 10.0 at all times.

[50 FR 45247, Oct. 30, 1985; 51 FR 21760, June 16, 1986]

AUTHORITY: Secs. 301, 304 (b), (c), (e), and (g), 306 (b) and (c), 307, 308, and 501 of the Clean Water Act (Federal Water Pollution Control Act Amendments of 1972, as amended by the Clean Water Act of 1977) (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.

SOURCE: 50 FR 45247, Oct. 30, 1985, unless otherwise noted.

CITE AS: 40 CFR 464.22

§ 464.23 - 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 must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable, except that non-continuous dischargers shall not be subject to the maximum day and maximum for monthly average mass (kg/1,000 kkg or lb/million lb of metal poured; kg/62.3 million Sm 3 or lb/billion SCF of air scrubbed) effluent limitations for copper, lead, zinc, and total phenols. For non-continuous discharges, annual average mass limitations and maximum day and maximum for monthly average concentration (mg/l) limitations shall apply. Concentration limitations and annual average mass limitations shall only apply to non-continuous dischargers.

(a) Casting Quench Operations.

BAT Effluent Limitations

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average kg/1,000 kkg (pounds per million pounds) of metal poured Copper (T)0.0307.0168 Lead (T)0.0211.0104 Zinc (T)0.0303.0116
Maximum for any 1 day Maximum for monthly average Annual average 1(mg/l) 2(mg/l) 2Copper (T)0.770.420.0068 Lead (T)0.530.260.006 Zinc (T)0.760.290.0072

1 kg/1,000 kkg (pounds per million pounds) of metal poured.

2 These concentrations must be multiplied by the ratio of (4.8/x) where x is the actual normalized process waste-water flow (in gallons per 1,000 pounds of metal poured) for a specific plant.

(b) Direct Chill Casting Operations.

BAT Effluent Limitations

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average kg/1,000 kkg (pounds per million pounds) of metal poured Copper (T)0.9280.506 Lead (T)0.6390.314 Zinc (T)0.9160.35
Maximum for any 1 day Maximum for monthly average Annual average 1(mg/l) 2(mg/l) 2Copper (T)0.770.420.205 Lead (T)0.530.260.181 Zinc (T)0.760.290.217

1 kg/1,000 kkg (pounds per million pounds) of metal poured.

2 These concentrations must be multiplied by the ratio of (145/x) where x is the actual normalized process waste-water flow (in gallons per 1,000 pounds of metal poured) for a specific plant.

(c) Dust Collection Scrubber Operations.

BAT Effluent Limitations

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average kg/62.3 million Sm 3 (pounds per billion SCF) of air scrubbed Copper (T)0.5530.301 Lead (T)0.380.187 Zinc (T)0.5450.208 Total phenols0.6170.215
Maximum for any 1 day Maximum for monthly average Annual average 1(mg/l) 2(mg/l) 2Copper (T)0.770.420.122 Lead (T)0.530.260.108 Zinc (T)0.760.290.129 Total phenols0.860.30.144

1 kg/62.3 million Sm 3 (pounds per billion SCF) of air scrubbed.

2 These concentrations must be multiplied by the ratio of (0.086/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 SCF of air scrubbed) for a specific plant.

(d) Grinding Scrubber Operations. No discharge of process wastewater pollutants to navigable waters.

(e) Investment Casting.

BAT Effluent Limitations

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average kg/1000 kkg (pounds per million pounds) of metal poured Copper (T)8.484.63 Lead (T)5.842.86 Zinc (T)8.373.19
Maximum for any 1 day Maximum for monthly average Annual average 1(mg/l) 2(mg/l) 2Copper (T)0.770.421.87 Lead (T)0.530.261.65 Zinc (T)0.760.291.98

1 kg/1000 kkg (pounds per million pounds) of metal poured.

2 These concentrations must be multiplied by the ratio of (1,320/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant.

(f) Melting Furnace Scrubber Operations.

BAT Effluent Limitations

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average kg/62.3 million Sm 3 (pounds per billion SCF) of air scrubbed Copper (T)1.810.988 Lead (T)1.250.612 Zinc (T)1.790.673 Total phenols2.020.706
Maximum for any 1 day Maximum for monthly average Annual average 1(mg/l) 2(mg/l) 2Copper (T)0.770.420.4 Lead (T)0.530.260.353 Zinc (T)0.760.290.424 Total phenols0.860.30.471

1 kg/62.3 million Sm 3 (pounds per billion SCF) of air scrubbed.

2 These concentrations must be multiplied by the ratio of (0.282/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 SCF of air scrubbed) for a specific plant.

(g) Mold Cooling Operations.

BAT Effluent Limitations

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average kg/1,000 kkg (pounds per million pounds) of metal poured Copper (T)0.3920.214 Lead (T)0.270.132 Zinc (T)0.3870.148
Maximum for any 1 day Maximum for monthly average Annual average 1(mg/l) 2(mg/l) 2Copper (T)0.770.420.0865 Lead (T)0.530.260.0763 Zinc (T)0.760.290.0916

1 kg/1,000 kkg (pounds per million pounds) of metal poured.

2 These concentrations must be multiplied by the ratio of (61/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant.

[50 FR 45247, Oct. 30, 1985; 51 FR 21761, June 16, 1986]

AUTHORITY: Secs. 301, 304 (b), (c), (e), and (g), 306 (b) and (c), 307, 308, and 501 of the Clean Water Act (Federal Water Pollution Control Act Amendments of 1972, as amended by the Clean Water Act of 1977) (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.

SOURCE: 50 FR 45247, Oct. 30, 1985, unless otherwise noted.

CITE AS: 40 CFR 464.23

§ 464.24 - New source performance standards.

Any new source subject to this subpart must achieve the following new source performance standards (NSPS), except that non-continuous dischargers shall not be subject to the maximum day and maximum for monthly average mass (kg/1,000 kkg or lb/million lb of metal poured; kg/62.3 million Sm 3 or lb/billion SCF of air scrubbed) effluent standards for copper, lead, zinc, total phenols, oil and grease, and TSS. For non-continuous dischargers, annual average mass standards and maximum day and maximum for monthly average concentration (mg/l) standards shall apply. Concentration standards and annual average mass standards shall only apply to non-continuous dischargers.

(a) Casting Quench Operations.

NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average kg/1,000 kkg (pounds per million pounds) of metal poured Copper (T)0.03070.0168 Lead (T)0.02110.0104 Zinc (T)0.03030.0116 Oil and grease1.20.399 TSS0.5980.479 pH( 1)( 1)

1 Within the range of 7.0 to 10.0 at all times.

Maximum for any 1 day Maximum for monthly average Annual average 1(mg/l) 2(mg/l) 2Copper (T)0.770.420.0068 Lead (T)0.530.260.006 Zinc (T)0.760.290.0072 Oil and grease30100.199 TSS15120.104 pH( 3)( 3)( 3)

1 kg/1,000 kkg (pounds per million pounds) of metal poured.

2 These concentrations must be multiplied by the ratio of (4.8/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant.

3 Within the range of 7.0 to 10.0 at all times.

(b) Direct Chill Casting Operations.

NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average kg/1,000 kkg (pounds per million pounds) of metal poured Copper (T)0.9280.506 Lead (T)0.6390.314 Zinc (T)0.9160.35 Oil and grease36.212.1 TSS18.114.5 pH( 1)( 1)

1 Within the range of 7.0 to 10.0 at all times.

Maximum for any 1 day Maximum for monthly average Annual average 1(mg/l) 2(mg/l) 2Copper (T)0.770.420.205 Lead (T)0.530.260.181 Zinc (T)0.760.290.217 Oil and grease30106.03 TSS15123.13 pH( 3)( 3)( 3)

1 kg/1,000 kkg (pounds per million pounds) of metal poured.

2 These concentrations must be multiplied by the ratio of (145/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant.

3 Within the range of 7.0 to 10.0 at all times.

(c) Dust Collection Scrubber Operations.

NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average kg/62.3 million Sm 3 (pounds per billion SCF) of air scrubbed Copper (T)0.5530.301 Lead (T)0.380.187 Zinc (T)0.5450.208 Total phenols0.6170.215 Oil and grease21.57.18 TSS10.88.61 pH( 1)( 1)

1 Within the range of 7.0 to 10.0 at all times.

Maximum for any 1 day Maximum for monthly average Annual average 1(mg/l) 2(mg/l) 2Copper (T)0.770.420.122 Lead (T)0.530.260.108 Zinc (T)0.760.290.129 Total phenols0.860.30.144 Oil and grease30103.59 TSS15121.87 pH( 3)( 3)( 3)

1 kg/62.3 million Sm 3 (pounds per billion SCF) of air scrubbed.

2 These concentrations must be multiplied by the ratio of (0.086/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 SCF of air scrubbed) for a specific plant.

3 Within the range of 7.0 to 10.0 at all times.

(d) Grinding Scrubber Operations. No discharge of process wastewater pollutants to navigable waters.

(e) Investment Casting.

NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average kg/1,000 kkg (pounds per millions pounds) of metal poured Copper (T)8.484.63 Lead (T)5.842.86 Zinc (T)8.373.19 Oil and grease330110 TSS165132 pH( 1)( 1)

1 Within the range of 7.0 to 10.0 at all times.

Maximum for any 1 day Maximum for monthly average Annual average 1(mg/l) 2mg/l) 2Copper (T)0.770.421.87 Lead (T)0.530.261.65 Zinc (T)0.760.291.98 Oil and grease301055.1 TSS151228.6 pH( 3)( 3)( 3)

1 kg/1,000 kkg (pounds per million pounds) of metal poured.

2 These concentrations must be multiplied by the ratio of (1,320/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant.

3 Within the range of 7.0 to 10.0 at all times.

(f) Melting Furnace Scrubber Operations.

NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average kg/62.3 million Sm 3 (pounds per billion SCF) of air scrubbed Copper (T)1.810.988 Lead (T)1.250.612 Zinc (T)1.790.673 Total phenols2.020.706 Oil and grease70.623.5 TSS35.328.2 pH( 1)( 1)

1 Within the range of 7.0 to 10.0 at all times.

Maximum for any 1 day Maximum for monthly average Annual average 1(mg/l) 2(mg/l) 2Copper (T)0.770.420.4 Lead (T)0.530.260.353 Zinc (T)0.760.290.424 Total phenols0.860.30.471 Oil and grease301011.8 TSS15126.12 pH( 3)( 3)( 3)

1 kg/62.3 Sm 3 (pounds per billion SCF) of air scrubbed.

2 These concentrations must be multiplied by the ratio of (0.282/x) where x is the actual normalized process waste-water flow (in gallons per 1,000 SCF of air scrubbed) for a specific plant.

3 Within the range of 7.0 to 10.0 at all times.

(g) Mold Cooling Operations.

NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average kg/1,000 kkg (pounds per million pounds) of metal poured Copper (T)0.3920.214 Lead (T)0.270.132 Zinc (T)0.3870.148 Oil and grease15.35.09 TSS7.636.11 pH( 1)( 1)

1 Within the range of 7.0 to 10.0 at all times.

Maximum for any 1 day Maximum for monthly average Annual average 1(mg/1) 2(mg/1) 2Copper (T)0.770.420.0865 Lead (T)0.530.260.0763 Zinc (T)0.760.290.0916 Oil and grease30102.54 TSS15121.32 pH( 3)( 3)( 3)

1 kg/1,000 kkg (pounds per million pound) of metal poured.

2 These concentrations must be multiplied by the ratio of (61/x) where x is the actual normalized process waste-water flow (in gallons per 1,000 pounds of metal poured) for a specific plant.

3 Within the range of 7.0 to 10.0 at all times.

[50 FR 45247, Oct. 30, 1985; 51 FR 21761, June 16, 1986]

AUTHORITY: Secs. 301, 304 (b), (c), (e), and (g), 306 (b) and (c), 307, 308, and 501 of the Clean Water Act (Federal Water Pollution Control Act Amendments of 1972, as amended by the Clean Water Act of 1977) (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.

SOURCE: 50 FR 45247, Oct. 30, 1985, unless otherwise noted.

CITE AS: 40 CFR 464.24

§ 464.25 - 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.

(a) Casting Quench Operations.

PSES

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average kg/1000 kkg (pounds per million pounds) of metal poured Copper (T)0.03070.0168 Lead (T)0.02110.0104 Zinc (T)0.03030.0116 TTO0.03350.0109 Oil and grease (for alternate monitoring)1.20.399

(b) Direct Chill Casting Operations.

PSES

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average kg/1,000 kkg (pounds per million pounds) of metal poured Copper (T)0.9280.506 Lead (T)0.6390.314 Zinc (T)0.9160.35

(c) Dust Collection Scrubber Operations.

PSES

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average kg/62.3 million Sm 3 (pounds per billion SCF) of air scrubbed Copper (T)0.5520.301 Lead (T)0.380.187 Zinc (T)0.5450.208 Total phenols0.6170.215 TTO1.650.54 Oil and grease (for alternate monitoring)21.57.18

(d) Grinding Scrubber Operations. No discharge of process wastewater pollutants to a POTW.

(e) Investment Casting.

PSES

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average kg/1,000 kkg (pounds per million pounds) of metal poured Copper (T)8.484.63 Lead (T)5.842.86 Zinc (T)8.373.19 TTO25.48.29 Oil and grease for alternate monitoring)330110

(f) Melting Furnace Scrubber Operations.

PSES

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average kg/62.3 million Sm 3 (pounds per billion SCF) of air scrubbed Copper (T)1.810.988 Lead (T)1.250.612 Zinc (T)1.790.673 Total phenols2.020.706 TTO5.411.77 Oil and grease (for alternate monitoring)70.623.5

(g) Mold Cooling Operations.

PSES

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average kg/1,000 kkg (pounds per million pounds) of metal poured Copper (T)0.3920.214 Lead (T)0.270.132 Zinc (T)0.3870.148 TTO0.4280.14 Oil and grease (for alternate monitoring)15.35.09

AUTHORITY: Secs. 301, 304 (b), (c), (e), and (g), 306 (b) and (c), 307, 308, and 501 of the Clean Water Act (Federal Water Pollution Control Act Amendments of 1972, as amended by the Clean Water Act of 1977) (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.

SOURCE: 50 FR 45247, Oct. 30, 1985, unless otherwise noted.

CITE AS: 40 CFR 464.25

§ 464.26 - Pretreatment standards for new sources.

Except as provided in 40 CFR 403.7, any new source subject to this subpart which introduces pollutants into publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources.

(a) Casting Quench Operations.

PSNS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average kg/1,000 kkg (pounds per million pounds) of metal poured Copper (T)0.03070.0168 Lead (T)0.02110.0104 Zinc (T)0.03030.0116 TTO0.03350.0109 Oil and grease (for alternate monitoring)1.20.399

(b) Direct Chill Casting Operations.

PSNS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average kg/1,000 kkg (pounds per million pounds) of metal poured Copper (T)0.9280.506 Lead (T)0.6390.314 Zinc (T)0.9160.35

(c) Dust Collection Scrubber Operations.

PSNS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average kg/62.3 Million Sm 3 (pounds per billion SCF) of air scrubbed Copper (T)0.5520.301 Lead (T)0.380.187 Zinc (T)0.5450.208 Total Phenols0.6170.215 TTO1.650.54 Oil and Grease (for alternate monitoring21.57.18

(d) Grinding Scrubber Operations. No discharge of process wastewater pollutants to a POTW.

(e) Investment Casting.

PSNS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average kg/1,000 kkg (pounds per million pounds) of metal poured Copper (T)8.484.63 Lead (T)5.842.86 Zinc (T)8.373.19 TTO25.48.29 Oil and Grease (for alternate monitoring330110

(f) Melting Furnace Scrubber Operations.

PSNS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average kg/62.3 million Sm 3 (pounds per billion SCF) of air scrubbed Copper (T)1.810.988 Lead (T)1.250.612 Zinc (T)1.790.673 Total Phenols2.020.706 TTO5.411.77 Oil and Grease (for alternate monitoring70.623.5

(g) Mold Cooling Operations.

PSNS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average kg/1,000 kkg (pounds per million pounds) of metal poured Copper (T)0.3920.214 Lead (T)0.270.132 Zinc (T)0.3870.148 TTO0.4280.14 Oil and Grease (for alternate monitoring15.35.09

AUTHORITY: Secs. 301, 304 (b), (c), (e), and (g), 306 (b) and (c), 307, 308, and 501 of the Clean Water Act (Federal Water Pollution Control Act Amendments of 1972, as amended by the Clean Water Act of 1977) (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.

SOURCE: 50 FR 45247, Oct. 30, 1985, unless otherwise noted.

CITE AS: 40 CFR 464.26

§ 464.27 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology. [Reserved]

AUTHORITY: Secs. 301, 304 (b), (c), (e), and (g), 306 (b) and (c), 307, 308, and 501 of the Clean Water Act (Federal Water Pollution Control Act Amendments of 1972, as amended by the Clean Water Act of 1977) (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.

SOURCE: 50 FR 45247, Oct. 30, 1985, unless otherwise noted.

CITE AS: 40 CFR 464.27