40 CFR § 433.16 Metal Finishing Point Source Category

§ 433.16 New source performance standards (NSPS).

Current through Aug 22, 2025 · Read all of Part 433

(a) Any new source subject to this subpart must achieve the following performance standards:

NSPS

Pollutant or pollutant propertyMaximum for any 1 dayMonthly 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
Oil and Grease5226
TSS6031
pH( 1)( 1)

1 Within 6.0 to 9.0.

(b) Alternatively, for industrial facilities with cyanide treatment, and upon agreement between a source subject to those 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 propertyMaximum for any 1 dayMonthly 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.

[48 FR 32485, July 15, 1983; 48 FR 43682, Sept. 26, 1983]

← § 433.15 Pretreatment standards for existing sources (PSES).§ 433.17 Pretreatment standards for new sources (PSNS). →