1. Regulations
  2. title 40
  3. chapter I-i30
  4. part 421
  5. subpart S
  6. § 421.212

Collapse to view only § 421.212 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.

§ 421.210 - Applicability: Description of the primary molybdenum and rhenium subcategory.

The provisions of this subpart are applicable to discharges resulting from the production of molybdenum and rhenium facilities.

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 421.210

§ 421.211 - 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 421.211

§ 421.212 - 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 limitation representing the degree of effluent reduction attainable by the application of the best practicable technology currently available:

(a) Molybdenum sulfide leachate.

BPT Limitations for the Primary Molybdenum Rhenium Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum monthly average mg/kg (pounds per million pounds) of molybdenum sulfide leached Arsenic0.9680.431 Lead0.1950.093 Nickle0.8890.588 Selenium0.5700.255 Molybdenum[Reserved][Reserved]. Ammonia (as N)61.72027.130 Fluoride16.2109.214 Total suspended solids18.9809.029 pH( 1)( 1)

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

(b) Roaster SO2 scrubber.

BPT Limitations for the Primary Molybdenum and Rhenium Subcategory

Pollutant of pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of molybdenum sulfide roasted Arsenic3.5091.561 Lead0.7050.336 Nickel3.2242.133 Selenium2.0650.924 Molybdenum[Reserved][Reserved]. Ammonia (as N)223.80098.390 Fluoride58.77033.410 Total suspended solids68.84032.740 pH( 1)( 1)

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

(c) Molybdic oxide leachate.

BPT Limitations for the Primary Molybdenum and Rhenium Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of molybdenum contained in molybdic oxide leached Arsenic24.21010.770 Lead4.8652.317 Nickel22.24014.710 Selenium14.2506.371 Molybdenum[Reserved][Reserved] Ammonia (as N)1,544.000678.800 Fluoride405.400230.500 Total suspended solids474.900225.900 pH( 1)( 1)

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

(d) Hydrogen reduction furnace scrubber.

BPT Limitations for the Primary Molybdenum and Rhenium Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of molybdenum metal powder produced Arsenic47.86021.300 Lead9.6174.580 Nickel43.97029.080 Selenium28.17012.600 Molybdenum[Reserved][Reserved] Ammonia (as N)3,052.0001,342.000 Fluoride801.400455.700 Total suspended solids938.800446.500 pH( 1)( 1)

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

(e) Depleted rhenium scrubbing solution.

BPT Limitations for the Primary Molybdenum and Rhenium Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of molybdenum sulfide roasted Arsenic1.4970.666 Lead0.3010.143 Nickel1.3750.909 Selenium0.8810.394 Molybdenum[Reserved][Reserved] Ammonia (as N)95.44041.960 Fluoride25.06014.250 Total suspended solids29.36013.960 pH( 1)( 1)

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

[50 FR 38355, Sept. 20, 1985, as amended at 55 FR 31701, 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 421.212

§ 421.213 - 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) Molybdenum sulfide leachate.

BAT Limitations for the Primary Molybdenum and Rhenium Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds million pounds) of molybdenum sulfide leached Arsenic0.6440.287 Lead0.1300.060 Nickel0.2550.171 Selenium0.3800.171 Molybdenum[Reserved][Reserved] Ammonia (as N)61.72027.130 Fluoride16.2109.214

(b) Roaster SO2 scrubber.

BAT Limitations for the Primary Molybdenum and Rhenium Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per/million pounds) of molybdenum sulfide roasted Arsenic2.3341.041 Lead0.4700.218 Nickel0.9240.621 Selenium1.3770.621 Molybdenum[Reserved][Reserved] Ammonia (as N)223.80098.390 Fluoride58.77033.410

(c) Molybdic oxide leachate.

BAT Limitations for the Primary Molybdenum and Rhenium Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per/million pounds) of molybdenum contained in molybdic oxide leached Arsenic16.1007.182 Lead3.2441.506 Nickel6.3714.286 Selenium9.4994.286 Molybdenum[Reserved][Reserved] Ammonia (as N)1,544.000678.800 Fluoride405.400230.500

(d) Hydrogen reduction furnace scrubber.

BAT Limitations for the Primary Molybdenum and Rhenium Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per/million pounds) of molybdenum metal powder produced Arsenic3.1831.420 Lead0.6410.298 Nickel1.2600.847 Selenium1.8780.847 Molybdenum[Reserved][Reserved]. Ammonia (as N)305.300134.200 Fluoride80.15045.570

(e) Depleted rhenium scrubbing solution.

BAT Limitations for the Primary Molybdenum and Rhenium Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per/million pounds) of molybdenum sulfide roasted Arsenic0.9950.444 Lead0.2010.093 Nickel0.3940.265 Selenium0.5870.265 Molybdenum[Reserved][Reserved]. Ammonia (as N)95.44041.960 Fluoride25.06014.250
[50 FR 38355, Sept. 20, 1985, as amended at 55 FR 31701, 31702, 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 421.213

§ 421.214 - Standards of performance for new sources.

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

(a) Molybdenum sulfide leachate.

NSPS for the Primary Molybdenum and Rhenium Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of molybdenum sulfide leached Arsenic0.6440.287 Lead0.1300.060 Nickel0.2550.171 Selenium0.3800.171 Molybdenum[Reserved][Reserved]. Ammonia (as N)61.72027.130 Fluoride16.2109.214 Total suspended solids6.9455.556 pH( 1)( 1)

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

(b) Roaster SO2 scrubber.

NSPS for the Primary Molybdenum and Rhenium Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of molybdenum sulfide roasted Arsenic2.3341.041 Lead0.4700.218 Nickel0.9240.621 Selenium1.3770.621 Molybdenum[Reserved][Reserved]. Ammonia (as N)223.80098.390 Fluoride58.77033.410 Total suspended solids25.19020.150 pH( 1)( 1)

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

(c) Molybdic oxide leachate.

NSPS for the Primary Molybdenum and Rhenium Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of molybdenum contained in molybdic oxide leached Arsenic16.1007.182 Lead3.2441.506 Nickel6.3714.286 Selenium9.4994.286 Molybdenum[Reserved][Reserved]. Ammonia (as N)1,544.000678.800 Fluoride405.400230.500 Total suspended solids173.800139.000 pH( 1)( 1)

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

(d) Hydrogen reduction furnace scrubber.

NSPS for the Primary Molybdenum and Rhenium Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of molybdenum metal powder produced Arsenic3.1831.420 Lead0.6410.298 Nickel1.2600.847 Selenium1.8780.847 Molybdenum[Reserved][Reserved]. Ammonia (as N)305.300134.200 Fluoride80.15045.570 Total suspended solids34.35027.480 pH( 1)( 1)

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

(e) Depleted rhenium scrubbing solution.

NSPS for the Primary Molybdenum and Rhenium Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of molybdenum sulfide roasted Arsenic0.9950.444 Lead0.2010.093 Nickel0.3940.265 Selenium0.5870.265 Molybdenum[Reserved][Reserved]. Ammonia (as N)95.44041.960 Fluoride25.06014.250 Total suspended solids10.7408.592 pH( 1)( 1)

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

[50 FR 38355, Sept. 20, 1985, as amended at 55 FR 31702, 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 421.214

§ 421.215 - [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 421.215

§ 421.216 - 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 primary molybdenum and rhenium process wastewater introduced into a POTW shall not exceed the following values:

(a) Molybdenum sulfide leachate.

PSNS for the Primary Molybdenum and Rhenium Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of molybdenum sulfide leached Arsenic0.6440.287 Lead0.1300.060 Nickel0.2550.171 Selenium0.3800.171 Molybdenum[Reserved][Reserved]. Ammonia (as N)61.72027.130 Fluoride16.2109.214

(b) Roaster SO2 scrubber.

PSNS for the Primary Molybdenum and Rhenium Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of molybdenum sulfide roasted Arsenic2.3341.041 Lead0.4700.218 Nickel0.9240.621 Selenium1.3770.621 Molybdenum[Reserved][Reserved]. Ammonia (as N)223.80098.390 Fluoride58.77033.410

(c) Molybdic oxide leachate.

PSNS for the Primary Molybdenum and Rhenium Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of molybdenum contained in molybdic oxide leached Arsenic16.1007.182 Lead3.2441.506 Nickel6.3714.286 Selenium9.4994.286 Molybdenum[Reserved][Reserved]. Ammonia (as N)1,544.000678.800 Fluoride405.400230.500

(d) Hydrogen reduction furnace scrubber.

PSNS for the Primary Molybdenum and Rhenium Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of molybdenum metal powder produced Arsenic3.1831.420 Lead0.6410.298 Nickel1.2600.847 Selenium1.8780.847 Molybdenum[Reserved][Reserved]. Ammonia (as N)305.300134.200 Fluoride80.15045.570

(e) Depleted rhenium scrubbing solution.

PSNS for the Primary Molybdenum and Rhenium Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of molybdenum sulfide roasted Arsenic0.9950.444 Lead0.2010.093 Nickel0.3940.265 Selenium0.5870.265 Molybdenum[Reserved][Reserved]. Ammonia (as N)95.44041.960 Fluoride25.06014.250
[50 FR 38355, Sept. 20, 1985, as amended at 55 FR 31702, 31703, 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 421.216

§ 421.217 - [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 421.217