eCFR Reference Browser

---

title: "40 CFR §52.71"

source: "https://www.ecfr.gov/current/title-40/section-52.71"

title_number: "40"

volume_number: "3"

chapter_number: "Unknown"

subchapter_code: "C"

subchapter_subject: "AIR PROGRAMS (CONTINUED)"

part_code: "52"

part_subject: "APPROVAL AND PROMULGATION OF IMPLEMENTATION PLANS"

subpart_code: "C"

subpart_subject: "Alaska"

section_number: "52.71"

section_subject: "Classification of regions."

cfr_reference: "40 CFR 52.71"

title_name: "Title 40"

title_subject: "Protection of Environment"

parts_covered: "Part 52 (§§ 52.01 to 52.1018)"

revised_date: "Revised as of July 1, 2019"

publication_date: "As of July 1, 2019"

contains_description: "Containing a codification of documents of general applicability and future effect"

publication_info: "Published by the Office of the Federal Register National Archives and Records Administration as a Special Edition of the Federal Register"

---

The Alaska plan was evaluated on the basis of the following classifications:

§52.71 - Classification of regions.