40 CFR 420.18 - Pretreatment standards compliance dates.
Compliance with the pretreatment standards for existing sources set forth in § 420.15 of this subpart is required not later than October 17, 2005 whether or not the pretreatment authority issues or amends a pretreatment permit requiring such compliance. Until that date, the pretreatment standards for existing sources set forth in Subpart A of title 40 of the Code of Federal Regulations, revised as of July 1, 2001, shall continue to apply.
Title 40 published on 2015-08-22.
No entries appear in the Federal Register after this date, for 40 CFR Part 420.