40 CFR § 421.4 Nonferrous Metals Manufacturing Point Source Category

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

Current through Aug 22, 2025 · Read all of Part 421

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]

← § 421.3 Monitoring and reporting requirements.§ 421.5 Removal allowances for pretreatment standards. →