1. Regulations
  2. title 40
  3. chapter I-i30
  4. part 421
  5. subpart V
  6. § 421.241

Collapse to view only § 421.241 - Specialized definitions.

§ 421.240 - Applicability: Description of the secondary nickel subcategory.

The provisions of this subpart are applicable to discharges resulting from the production of nickel by secondary nickel facilities processing slag, spent acids, or scrap metal 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 421.240

§ 421.241 - Specialized definitions.

For the purpose of this subpart the general definitions, abbreviations, and methods of analysis set forth in 40 CFR 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 421.241

§§ 421.242-421.243 - §[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 421.242-421.243

§ 421.244 - Standards of performance for new sources.

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

(a) Slag reclaim tailings.

NSPS for the Secondary Nickel Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of slag input to reclaim process Chromium (total)5.6532.313 Copper24.41012.850 Nickel24.67016.320 Total suspended solids526.800250.500 pH( 1)( 1)

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

(b) Acid reclaim leaching filtrate.

NSPS for the Secondary Nickel Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of acid reclaim nickel produced Chromium (total)2.1980.899 Copper9.4914.995 Nickel9.5906.344 Total suspended solids204.80097.400 pH( 1)( 1)

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

(c) Acid reclaim leaching belt filter backwash.

NSPS for the Secondary Nickel Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of acid reclaim nickel produced Chromium (total)0.5280.216 Copper2.2781.199 Nickel2.3021.523 Total suspended solids49.16023.380 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 421.244

§ 421.245 - 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 nickel process wastewater introduced into a POTW must not exceed the following values:

(a) Slag reclaim tailings.

PSES for the Secondary Nickel Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of slag input to reclaim process Chromium (total)5.6532.313 Copper24.41012.850 Nickel24.67016.320

(b) Acid reclaim leaching filtrate.

PSES for the Secondary Nickel Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of acid reclaim nickel produced Chromium (total)2.1980.899 Copper9.4914.995 Nickel9.5906.344

(c) Acid reclaim leaching belt filter backwash

PSES for the Secondary Nickel Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of acid reclaim nickel produced Chromium (total)0.5280.216 Copper2.2781.199 Nickel2.3021.523

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 421.245

§ 421.246 - 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 nickel process wastewater introduced into a POTW shall not exceed the following values:

(a) Slag reclaim tailings.

PSNS for the Secondary Nickel Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of slag input to reclaim process Chromium (total)5.6532.313 Copper24.41012.850 Nickel24.67016.320

(b) Acid reclaim leaching filtrate.

PSNS for the Secondary Nickel Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of acid reclaim nickel produced Chromium (total)2.1980.899 Copper9.4914.995 Nickel9.5906.344

(c) Acid reclaim leaching belt filter backwash.

PSNS for the Secondary Nickel Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of acid reclaim nickel produced Chromium (total)0.5280.216 Copper2.2781.199 Nickel2.3021.523

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 421.246

§ 421.247 - [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 421.247