40 C.F.R. § 425.24
New source performance standards (NSPS).
Cite as 40 C.F.R. § 425.24 (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 Maximum for monthly average Kg/kkg (or pound per 1,000 lb) of raw material BOD 5 6.9 3.1 TSS 9.9 4.5 Oil and grease 2.9 1.3 Total chromium 0.18 0.06 pH ( 1 ) ( 1 ) 1 Within the range 6.0 to 9.0