40 CFR § 420.06 - Removal credits for phenols (4AAP).

---
identifier: "/us/cfr/t40/s420.06"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 420.06 - Removal credits for phenols (4AAP)."
title_number: 40
title_name: "Protection of Environment"
section_number: "420.06"
section_name: "Removal credits for phenols (4AAP)."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "N"
subchapter_name: "EFFLUENT GUIDELINES AND STANDARDS"
part_number: "420"
part_name: "IRON AND STEEL MANUFACTURING POINT SOURCE CATEGORY"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "33 U.S.C. 1311, 1314, 1316, 1317, 1318, 1342, and 1361."
regulatory_source: "47 FR 23284, May 27, 1982, unless otherwise noted."
cfr_part: "420"
---


# 420.06 Removal credits for phenols (4AAP).

Removal allowances pursuant to 40 CFR 403.7(a)(1) may be granted for phenols (4AAP) limited in 40 CFR part 420 when used as an indicator or surrogate pollutant.

[49 FR 21029, May 17, 1984]