U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

§ 410.25 - New source performance standards (NSPS).

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

Pollutant or pollutant property NSPS
Maximum for any 1 day Average of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of fiber
BOD510.75.5
COD113.873.3
TSS32.314.4
Sulfide0.280.14
Phenols0.140.07
Total Chromium0.140.07
pH( 1)( 1)

Note: Additional allocations for “commission finishers” are not available to new sources.

1 Within the range 6.0 to 9.0 at all times.