Regulations last checked for updates: May 18, 2024

Title 40 - Protection of Environment last revised: May 16, 2024
§ 433.17 - Pretreatment standards for new sources (PSNS).

(a) Except as provided in 40 CFR 403.7, any new source subject to this subpart that introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources (PSNS):

PSNS

Pollutant or pollutant property Maximum for any 1 day Monthly average shall not exceed
Milligrams per liter (mg/l)
Cadmium (T)0.110.07
Chromium (T)2.771.71
Copper (T)3.382.07
Lead (T)0.690.43
Nickel (T)3.982.38
Silver (T)0.430.24
Zinc (T)2.611.48
Cyanide (T)1.200.65
TTO2.13

(b) Alternatively, for industrial facilities with cyanide treatment, and upon agreement between a source subject to these limits and the pollution control authority, the following amenable cyanide limit may apply in place of the total cyanide limit specified in paragraph (a) of this section:

Pollutant or pollutant property Maximum for any 1 day Monthly average shall not exceed
Milligrams per liter (mg/l)
Cyanide (A)0.860.32

(c) No user subject to the provisions of this subpart shall augment the use of process wastewater or otherwise dilute the wastewater as a partial or total substitute for adequate treatment to achieve compliance with this limitation.

(d) An existing source submitting a certification in lieu of monitoring pursuant to § 433.12 (a) and (b) of this regulation must implement the toxic organic management plan approved by the control authority.

[48 FR 32485, July 15, 1983; 48 FR 43682, Sept. 26, 1983]
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 1971, as amended by the Clean Water Act of 1977) (the “Act”); 33 U.S.C. 1311,1314,e,and,1316,1317,1318; 86 Stat. 816, Pub. L. 92-500; 91 Stat. 1567, Pub. L. 95-217
source: 48 FR 32485, July 15, 1983, unless otherwise noted.
cite as: 40 CFR 433.17