1. Regulations
  2. title 40
  3. chapter I-i30
  4. part 421
  5. subpart AC
  6. § 421.310

Collapse to view only § 421.310 - Applicability: Description of the secondary tungsten and cobalt subcategory.

§ 421.310 - Applicability: Description of the secondary tungsten and cobalt subcategory.

The provisions of this subpart are applicable to discharges resulting from the production of tungsten or cobalt at secondary tungsten and cobalt facilities processing tungsten or tungsten carbide scrap raw 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 421.310

§ 421.311 - 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 421.311

§ 421.312 - 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) Tungsten detergent wash and rinse.

BPT Limitations for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of tungsten scrap washed Copper0.3710.195 Nickel0.3740.248 Ammonia (as N)25.99011.430 Cobalt0.7680.337 Tungsten1.3570.542 Oil and grease3.9002.340 Total suspended solids7.9953.803 pH( 1)( 1)

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

(b) Tungsten leaching acid.

BPT Limitations for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of tungsten produced Copper4.8852.571 Nickel4.9373.265 Ammonia (as N)342.700150.700 Cobalt10.1304.448 Tungsten17.8907.147 Oil and grease51.42030.850 Total suspended solids105.40050.140 pH( 1)( 1)

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

(c) Tungsten post-leaching wash and rinse.

BPT Limitations for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of tungsten produced Copper9.7725.143 Nickel9.8756.532 Ammonia (as N)685.600301.400 Cobalt20.2638.897 Tungsten35.80014.300 Oil and grease102.90061.720 Total suspended solids210.900100.300 pH( 1)( 1)

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

(d) Synthetic scheelite filtrate.

BPT Limitations for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of synthetic scheelite produced Copper31.66016.660 Nickel31.99021.160 Ammonia (as N)2,221.000976.300 Cobalt65.64428.824 Tungsten116.00046.320 Oil and grease333.200200.000 Total suspended solids683.100324.900 pH( 1)( 1)

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

(e) Tungsten carbide leaching wet air pollution control.

BPT Limitations for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of tungsten carbide scrap leached Copper3.3271.751 Nickel3.3622.224 Ammonia (as N)233.400102.600 Cobalt6.8993.029 Tungsten12.1904.868 Oil and grease35.02021.010 Total suspended solids71.79034.150 pH( 1)( 1)

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

(f) Tungsten carbide wash water.

BPT Limitations for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of tungsten carbide produced Copper15.8308.333 Nickel16.00010.580 Ammonia (as N)1,111.000488.300 Cobalt32.83214.416 Tungsten58.00023.170 Oil and grease166.700100.000 Total suspended solids341.700162.500 pH( 1)( 1)

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

(g) Cobalt sludge leaching wet air pollution control.

BPT Limitations for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of cobalt produced from cobalt sludge Copper67.99035.780 Nickel68.70045.440 Ammonia (as N)4,770.0002,097.000 Cobalt140.97761.901 Tungsten249.00099.470 Oil and grease715.600429.400 Total suspended solids1,467.000697.700 pH( 1)( 1)

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

(h) Crystallization decant.

BPT Limitations for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of cobalt produced Copper79.14041.650 Nickel79.97052.900 Ammonia (as N)5,552.0002,441.000 Cobalt164.10172.055 Tungsten289.900115.800 Oil and grease833.000499.800 Total suspended solids1,708.000812.200 pH( 1)( 1)

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

(i) Acid wash decant.

BPT Limitations for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of cobalt produced Copper36.22019.060 Nickel36.60024.210 Ammonia (as N)2,541.0001,117.000 Cobalt75.10432.977 Tungsten132.70052.990 Oil and grease381.300228.800 Total suspended solids781.600371.700 pH( 1)( 1)

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

(j) Cobalt hydroxide filtrate.

BPT Limitations for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of cobalt produced Copper107.60056.650 Nickel108.80071.940 Ammonia (as N)7,551.0003,320.000 Cobalt223.18997.999 Tungsten394.300157.500 Oil and grease1,133.000679.800 Total suspended solids2,323.0001,105.000 pH( 1)( 1)

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

(k) Cobalt hydroxide filter cake wash.

BPT Limitations for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of cobalt produced Copper207.200109.100 Nickel209.400138.500 Ammonia (as N)14,530.0006,389.000 Cobalt429.598188.631 Tungsten758.900303.100 Oil and grease2,181.0001,309.000 Total suspended solids4,471.0002,126.000 pH( 1)( 1)

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

[50 FR 38386, Sept. 20, 1985, as amended at 55 FR 31713, 31714, Aug. 3, 1990]

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 421.312

§ 421.313 - 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) Tungsten detergent wash and rinse.

BAT Limitations for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of tungsten scrap washed Copper0.2500.119 Nickel0.1070.072 Ammonia (as N)25.99011.430 Cobalt0.5380.236 Tungsten0.6790.302

(b) Tungsten leaching acid.

BAT Limitations for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of tungsten produced Copper3.2911.569 Nickel1.4140.951 Ammonia (as N)342.700150.700 Cobalt7.0963.111 Tungsten8.9473.985

(c) Tungsten post-leaching wash and rinse.

BAT Limitations for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of tungsten produced Copper6.5833.137 Nickel2.8291.903 Ammonia (as N)685.600301.400 Cobalt14.1946.223 Tungsten17.9007.972

(d) Synthetic scheelite filtrate.

BAT Limitations for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of synthetic scheelite produced Copper21.33010.170 Nickel9.1646.165 Ammonia (as N)2,221.000976.300 Cobalt45.98420.160 Tungsten57.98025.820

(e) Tungsten carbide leaching wet air pollution control.

BAT Limitations for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of tungsten carbide scrap leached Copper2.2411.068 Nickel0.9630.648 Ammonia (as N)233.400102.600 Cobalt4.8332.119 Tungsten6.0932.714

(f) Tungsten carbide wash water.

BAT Limitations for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of tungsten carbide produced Copper10.6705.083 Nickel4.5833.083 Ammonia (as N)1,111.000488.300 Cobalt22.99910.083 Tungsten29.00012.920

(g) Cobalt sludge leaching wet air pollution control.

BAT Limitations for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of cobalt produced from cobalt sludge Copper45.8021.83 Nickel19.6813.24 Ammonia (as N)4,770.002,097.00 Cobalt98.75643.295 Tungsten124.5055.46

(h) Crystallization decant.

BAT Limitations for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of cobalt produced Copper53,31025.410 Nickel22.91015.410 Ammonia (as N)5,552.0002,441.000 Cobalt114.95450.397 Tungsten144.90064.560

(i) Acid wash decant.

BAT Limitations for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of cobalt produced Copper24.40011.630 Nickel10.4907.053 Ammonia (as N)2,541.0001,117.000 Cobalt52.61123.065 Tungsten66.34029.550

(j) Cobalt hydroxide filtrate.

BAT Limitations for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of cobalt produced Copper72.51034.560 Nickel31.16020.960 Ammonia (as N)7,551.0003,320.000 Cobalt156.34668.543 Tungsten197.10087.800

(k) Cobalt hydroxide filter cake wash.

BAT Limitations for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of cobalt produced Copper139.60066.510 Nickel59.97040.340 Ammonia (as N)14,530.0006,389.000 Cobalt300.094131.932 Tungsten379.400169.000
[50 FR 38386, Sept. 20, 1985, as amended at 55 FR 31714, 31715, Aug. 3, 1990]

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 421.313

§ 421.314 - Standards of performance for new sources.

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

(a) Tungsten detergent wash and rinse.

NSPS for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of tungsten scrap washed Copper0.2500.119 Nickel0.1070.072 Ammonia (as N)25.99011.430 Cobalt0.5380.236 Tungsten0.6790.302 Oil and grease1.9501.950 Total suspended solids2.9252.340 pH( 1)( 1)

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

(b) Tungsten leaching acid.

NSPS for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of tungsten produced Copper3.2911.569 Nickel1.4140.951 Ammonia (as N)342.700150.700 Cobalt7.0963.111 Tungsten8.9473.985 Oil and grease25.71025.710 Total suspended solids38.57030.850 pH( 1)( 1)

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

(c) Tungsten post-leaching wash and rinse.

NSPS for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of tungsten produced Copper6.5833.137 Nickel2.8291.903 Ammonia (as N)685.600301.400 Tungsten17.9007.972 Cobalt14.1946.223 Oil and grease51.43051.430 Total suspended solids77.15061.720 pH( 1)( 1)

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

(d) Synthetic scheelite filtrate.

NSPS for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of synthetic scheelite produced Copper21.33010.170 Nickel9.1646.165 Ammonia (as N)2,221.000976.300 Cobalt45.98420.160 Tungsten57.98025.820 Oil and grease166.600166.600 Total suspended solids249.900199.900 pH( 1)( 1)

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

(e) Tungsten carbide leaching wet air pollution control.

NSPS for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of tungsten carbide scrap leached Copper2.2411.068 Nickel0.9630.648 Ammonia (as N)233.400102.600 Cobalt4.8332.119 Tungsten6.0932.714 Oil and grease17.51017.510 Total suspended solids26.27021.010 pH( 1)( 1)

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

(f) Tungsten carbide wash water.

NSPS for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of tungsten carbide produced Copper10.6705.083 Nickel4.5833.083 Ammonia (as N)1,111.000488.300 Cobalt22.99910.083 Tungsten29.00012.920 Oil and grease83.33083.330 Total suspended solids125.000100.000 pH( 1)( 1)

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

(g) Cobalt sludge leaching wet air pollution control.

NSPS for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of cobalt produced from cobalt sludge Copper45.8021.83 Nickel19.6813.24 Ammonia (as N)4,770.002,097.00 Cobalt98.75643.295 Tungsten124.5055.46 Oil and grease357.80357.80 Total suspended solids536.70429.40 pH( 1)( 1)

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

(h) Crystallization decant.

NSPS for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of cobalt produced Copper53.31025.410 Nickel22.91015.410 Ammonia (as N)5,552.0002,441.000 Cobalt114.95450.397 Tungsten144.90064.560 Oil and grease416.500416.500 Total suspended solids624.800499.800 pH( 1)( 1)

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

(i) Acid wash decant.

NSPS for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of cobalt produced Copper24.40011.630 Nickel10.4907.053 Ammonia (as N)2,541.0001,117.000 Cobalt52.61123.065 Tungsten66.34029.550 Oil and grease190.600190.600 Total suspended solids285.900228.700 pH( 1)( 1)

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

(j) Cobalt hydroxide filtrate.

NSPS for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of cobalt produced Copper72.51034.560 Nickel31.16020.960 Ammonia (as N)7,551.0003,320.000 Cobalt156.34668.543 Tungsten197.10087.800 Oil and grease566.500566.500 Total suspended solids849.700679.800 pH( 1)( 1)

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

(k) Cobalt hydroxide filter cake wash.

NSPS for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of cobalt produced Copper139.60066.510 Nickel59.97040.340 Ammonia (as N)14,530.0006,389.000 Cobalt300.094131.932 Tungsten379.400169.000 Oil and grease1,090.0001,090.000 Total suspended solids1,636,0001,308.000 pH( 1)( 1)

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

[50 FR 38386, Sept. 20, 1985, as amended at 55 FR 31715, 31716, Aug. 3, 1990]

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 421.314

§ 421.315 - Pretreatment standards for existing sources.

Except as provided in 40 CFR 403.7, any existing source subject to this subpart which introduces polutants 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 tungsten and cobalt process wastewater introduced into a POTW shall not exceed the following values:

(a) Tungsten detergent wash and rinse.

PSES for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of tungsten scrap washed Copper0.2500.119 Nickel0.1070.072 Ammonia (as N)25.99011.430 Cobalt0.5380.236 Tungsten0.6790.302

(b) Tungsten leaching acid.

PSES for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of tungsten produced Copper3.2911.569 Nickel1.4140.951 Ammonia (as N)342.700150.700 Cobalt7.0963.111 Tungsten8.9473.985

(c) Tungsten post-leaching wash and rinse.

PSES for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of tungsten produced Copper6.5833.137 Nickel2.8291.903 Ammonia (as N)685.600301.400 Cobalt14.1946.223 Tungsten17.9007.972

(d) Synthetic scheelite filtrate.

PSES for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of synthetic scheelite produced Copper21.33010.170 Nickel9.1646.165 Ammonia (as N)2,221.000976.300 Cobalt45.98420.160 Tungsten57.98025.820

(e) Tungsten carbide leaching wet air pollution control.

PSES for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of tungsten carbide scrap Copper2.2411.068 Nickel0.9630.648 Ammonia (as N)233.400102.600 Cobalt4.8332.119 Tungsten6.0932.714

(f) Tungsten carbide wash water.

PSES for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of tungsten carbide produced Copper10.6705.083 Nickel4.5833.083 Ammonia (as N)1,111.000488.300 Cobalt22.99910.083 Tungsten29.00012.920

(g) Cobalt sludge leaching wet air pollution control.

PSES for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of cobalt produced from cobalt sludge Copper45.80021.830 Nickel19.68013.240 Ammonia (as N)4,770.0002,097.000 Cobalt98.75643.295 Tungsten124.50055.460

(h) Crystallization decant.

PSES for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of cobalt produced Copper53.31025.410 Nickel22.91015.410 Ammonia (as N)5,552.0002,441.000 Cobalt114.95450.397 Tungsten144.964.56

(i) Acid wash decant.

PSES for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of cobalt produced Copper24.40011.630 Nickel10.4907.053 Ammonia (as N)2,541.0001,117.000 Cobalt52.61123.065 Tungsten66.3429.55

(j) Cobalt hydroxide filtrate.

PSES for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of cobalt produced Copper72.51034.560 Nickel31.16020.960 Ammonia (as N)7,551.0003,320.000 Cobalt156.34668.543 Tungsten197.187.8

(k) Cobalt hydroxide filter cake wash.

PSES for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of cobalt produced Copper139.60066.510 Nickel59.97040.340 Ammonia (as N)14,530.0006,389.000 Cobalt300.094131.932 Tungsten379.400169.000
[50 FR 38386, Sept. 20, 1985, as amended at 55 FR 31717, 31718, Aug. 3, 1990]

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 421.315

§ 421.316 - 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 tungsten and cobalt process wastewater introduced into a POTW shall not exceed the following values:

(a) Tungsten detergent wash and rinse.

PSNS for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of tungsten scrap washed Copper0.2500.119 Nickel0.1070.072 Ammonia (as N)25.99011.430 Cobalt0.5380.236 Tungsten0.6790.302

(b) Tungsten leaching acid.

PSNS for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of tungsten produced Copper3.2911.569 Nickel1.4140.951 Ammonia (as N)342.700150.700 Cobalt7.0963.111 Tungsten8.9473.985

(c) Tungsten post-leaching wash and rinse.

PSNS for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of tungsten produced Copper6.5833.137 Nickel2.8291.903 Ammonia (as N)685.600301.400 Cobalt14.1946.223 Tungsten17.9007.792

(d) Synthetic scheelite filtrate.

PSNS for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of synthetic scheelite produced Copper21.33010.170 Nickel9.1646.165 Ammonia (as N)2,221.000976.300 Cobalt45.98420.160 Tungsten57.98025.820

(e) Tungsten carbide leaching wet air pollution control.

PSNS for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of tungsten carbide scrap leached Copper2.2411.068 Nickel0.9630.648 Ammonia (as N)233.400102.600 Cobalt4.8332.119 Tungsten6.0932.714

(f) Tungsten carbide wash water.

PSNS for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of tungsten carbide produced Copper10.6705.083 Nickel4.5833.083 Ammonia (as N)1,111.000488.300 Cobalt22.99910.083 Tungsten29.00012.920

(g) Cobalt sludge leaching wet air pollution control.

PSNS for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of cobalt produced from cobalt sludge Copper45.80021.830 Nickel19.68013.240 Ammonia (as N)4,770.0002,097.000 Cobalt98.75643.295 Tungsten124.50055.460

(h) Crystallization decant.

PSNS for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of cobalt produced Copper53.31025.410 Nickel22.91015.410 Ammonia (as N)5,552,0002,441.000 Cobalt114.95450.397 Tungsten144.90064.560

(i) Acid wash decant.

PSNS for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of cobalt produced Copper24.40011.630 Nickel10.4907.053 Ammonia (as N)2,541.0001,117.000 Cobalt52.61123.065 Tungsten66.34029.550

(j) Cobalt hydroxide filtrate.

PSNS for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of cobalt produced Copper72.51034.560 Nickel31.16020.960 Ammonia (as N)7,551.0003,320.000 Cobalt156.34668.543 Tungsten197.10087.800

(k) Cobalt hydroxide filter cake wash.

PSNS for the Secondary Tungsten and Cobalt Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of cobalt produced Copper139.60066.510 Nickel59.97040.430 Ammonia (as N)14,530.0006,389.000 Cobalt300.094131.932 Tungsten379.400169.000
[50 FR 38386, Sept. 20, 1985, as amended at 55 FR 31718, 31719, Aug. 3, 1990]

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 421.316

§ 421.317 - [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 421.317