40 C.F.R. § 410.25
New source performance standards (NSPS).
Cite as 40 C.F.R. § 410.25 (2026)
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 BOD 5 10.7 5.5 COD 113.8 73.3 TSS 32.3 14.4 Sulfide 0.28 0.14 Phenols 0.14 0.07 Total Chromium 0.14 0.07 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.