1. Regulations
  2. title 40
  3. chapter I-i30
  4. part 415
  5. subpart AU
  6. § 415.474

View all text of Subpart AU [§ 415.470 - § 415.477]

§ 415.474 - Pretreatment standards for existing sources (PSES).

(a) Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart and producing nickel sulfate, nickel chloride, nickel nitrate, or nickel fluoborate 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 (PSES):

Subpart AU—Nickel Sulfate, Nickel Chloride, Nickel Nitrate, Nickel Fluoborate

Pollutant or pollutant property PSES effluent limitations Maximum for any 1 day Average of daily values for 30 consecutive days Milligrams per liter (mg/l) Copper(T)1.10.36 Nickel(T)1.10.36
In cases where POTWs find it necessary to impose mass limitations, the following equivalent mass limitations are provided as an alternate: The limitations for copper (T) and nickel (T) are the same as specified in § 415.473(a).

(b) Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart and producing nickel carbonate 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 (PSES):

Subpart AU—Nickel Carbonate

Pollutant or pollutant property PSES effluent limitations Maximum for any 1 day Average of daily values for 30 consecutive days Milligrams per liter (mg/l) Copper(T)1.10.36 Nickel(T)1.10.36
In cases where POTWs find it necessary to impose mass limitations, the following equivalent mass limitations are provided as an alternate: The limitations for copper (T) and nickel (T) are the same as specified in § 415.473(b).

AUTHORITY: Secs. 301, 304 (b), (c), (e), and (g), 306 (b) and (c), 307 (b) and (c), 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) (the “Act”); 33 U.S.C. 1311, 1314 (b), (c), (e), and (g), 1316 (b) and (c), 1317 (b) and (c), and 1361; 86 Stat. 816, Pub. L. 92-500; 91 Stat. 1567, Pub. L. 95-217.

SOURCE: 47 FR 28278, June 29, 1982, unless otherwise noted.

CITE AS: 40 CFR 415.474