1. Regulations
  2. title 40
  3. chapter I-i30
  4. part 415
  5. subpart L
  6. § 415.124

View all text of Subpart L [§ 415.120 - § 415.126]

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

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 (PSES):

Subpart L—Potassium Dichromate

Pollutant or pollutant property PSES limitations Maximum for any 1 day Average of daily values for 30 consecutive days Milligrams per liter (mg/l) Hexavalent chromium0.250.090 Total chromium3.01.0

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 415.124