---
kind: "section"
citation: "40 C.F.R. § 142.21"
title: "40"
number: "142.21"
heading: "State consideration of a variance or exemption request."
url: "https://uscodex.org/cfr/40/142.21"
---

# §142.21. State consideration of a variance or exemption request.


A State with primary enforcement responsibility shall act on any variance or exemption request submitted to it, within 90 days of receipt of the request.


## Notes

### Authority

Authority: 42 U.S.C. 300f, 300g-1, 300g-2, 300g-3, 300g-4, 300g-5, 300g-6, 300j-4, 300j-9, and 300j-11.

### Source

Source: 41 FR 2918, Jan. 20, 1976, unless otherwise noted.