40 CFR § 465.23 - New source performance standards.

§ 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 property NSPS
Maximum for any 1 day Maximum for monthly average
mg/m 2 (pounds per 1 million ft 2) of area processed
Chromium 0.13 (0.027) 0.052 (0.011)
Copper 0.44 (0.090) 0.21 (0.043)
Cyanide 0.07 (0.015) 0.028 (0.006)
Zinc 0.35 (0.08) 0.15 (0.030)
Iron 0.43 (0.09) 0.22 (0.045)
Oil and grease 3.43 (0.71) 3.43 (0.702)
TSS 5.15 (1.06) 4.12 (0.84)
pH ( 1) ( 1) ( 1) ( 1)

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

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