---
kind: "section"
citation: "40 C.F.R. § 420.18"
title: "40"
number: "420.18"
heading: "Pretreatment standards compliance dates."
url: "https://uscodex.org/cfr/40/420.18"
---

# §420.18. Pretreatment standards compliance dates.


Compliance with the pretreatment standards for existing sources set forth in [§ 420.15](/cfr/40/420.15.md) 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](/cfr/40/subpartA.md), revised as of July 1, 2001, shall continue to apply.


## Notes

### Amendments

[67 FR 64264, Oct. 17, 2002]

### Authority

Authority: 33 U.S.C. 1311, 1314, 1316, 1317, 1318, 1342, and 1361.

### Source

Source: 47 FR 23284, May 27, 1982, unless otherwise noted.

### Amendments

[67 FR 64264, Oct. 17, 2002]