Regulations last checked for updates: Oct 18, 2024

Title 40 - Protection of Environment last revised: Oct 16, 2024
§ 463.24 - New source performance standards.

Any new source subject to this subpart must achieve performance standards (i.e., mass of pollutant discharged) calculated by multiplying the average process water usage flow rate for cleaning processes at a new source times the following pollutant concentrations:

Subpart B

[Cleaning water]

Concentration used to calculate NSPS
Pollutant or pollutant property Maximum for any 1 day (mg/l) Maximum for monthly average (mg/l)
BOD54922
Oil and Grease7117
TSS11736
pH( 1)( 1)

1 Within the range of 6.0 to 9.0 at all times.

The permit authority will obtain the average process water usage flow rate for the new source cleaning water processes from the permittee.
authority: Secs. 301, 304 (b), (c), (e), and (g), 306 (b) and (c), 307, 308, and 501, Clean Water Act (Federal Water Pollution Control Act Amendments of 1972, as amended by Clean Water Act of 1977) (the “Act”); 33 U.S.C. 1311,1314,c,e, 1316 (b) andc, 1317 (b) andc,1318,and; 86 Stat. 816, Pub. L. 92-500; 91 Stat. 1567, Pub. L. 95-217
source: 49 FR 49047, Dec. 17, 1984, unless otherwise noted.
cite as: 40 CFR 463.24