40 C.F.R. § 421.4

Current through September 30, 2024

Section 421.4 - Compliance date for pretreatment standards for existing sources (PSES)

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.

40 C.F.R. §421.4

50 FR 52776, Dec. 26, 1985