40 C.F.R. § 465.23

Current through October 31, 2024
Section 465.23 - New source performance standards

The following standards of performance establish the quantity or quality of pollutants or pollutant properties, controlled by this section which may be discharged by a new source subject to the provisions of this subpart:

Subpart B

Pollutant or pollutant propertyNSPS
Maximum for any 1 dayMaximum for monthly average
mg/m2 (pounds per 1 million ft2) of area processed
Chromium0.13(0.027)0.052(0.011)
Copper0.44(0.090)0.21(0.043)
Cyanide0.07(0.015)0.028(0.006)
Zinc0.35(0.08)0.15(0.030)
Iron0.43(0.09)0.22(0.045)
Oil and grease3.43(0.71)3.43(0.702)
TSS5.15(1.06)4.12(0.84)
pH(1)(1)(1)(1)

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

40 C.F.R. §465.23

47 FR 54244, Dec. 1, 1982; 49 FR 33648, Aug. 24, 1984