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

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§ 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.

[50 FR 52776, Dec. 26, 1985]

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

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