---
kind: "section"
citation: "40 C.F.R. § 420.06"
title: "40"
number: "420.06"
heading: "Removal credits for phenols (4AAP)."
url: "https://uscodex.org/cfr/40/420.06"
---

# §420.06. Removal credits for phenols (4AAP).


Removal allowances pursuant to [40 CFR 403.7(a)(1)](/cfr/40/403.7.md?p=a-1) may be granted for phenols (4AAP) limited in [40 CFR part 420](/cfr/40/part420.md) when used as an indicator or surrogate pollutant.


## Notes

### Amendments

[49 FR 21029, May 17, 1984]

### 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

[49 FR 21029, May 17, 1984]