40 C.F.R. § 421.4

Compliance date for pretreatment standards for existing sources (PSES).

Last amended: 2016Year: 2026Length: 34 wordsOfficial source

Cite as 40 C.F.R. § 421.4 (2026)

The PSES compliance deadline in subparts A through M is March 8, 1987. The PSES compliance deadline for plants in subparts N through AE is September 20, 1988. [50 FR 52776, Dec. 26, 1985]
40 C.F.R. § 421.4: Compliance date for pretreatment standards for existing sources (PSES). | Justis AI