40 C.F.R. § 425.14
New source performance standards (NSPS).
Cite as 40 C.F.R. § 425.14 (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 lb/1,000 lb) of raw material BOD 5 6.0 2.7 TSS 8.7 4.0 Oil and grease 2.5 1.1 Total chromium 0.16 0.06 pH ( 1 ) ( 1 ) 1 Within the range 6.0 to 9.0. [47 FR 52870, Nov. 23, 1982; 48 FR 30116, June 30, 1983]