eCFR Reference Browser

---

title: "40 CFR §81.303"

source: "https://www.ecfr.gov/current/title-40/section-81.303"

title_number: "40"

volume_number: "20"

chapter_number: "Unknown"

subchapter_code: "C"

subchapter_subject: "AIR PROGRAMS (CONTINUED)"

part_code: "81"

part_subject: "DESIGNATION OF AREAS FOR AIR QUALITY PLANNING PURPOSES"

subpart_code: "C"

subpart_subject: "Section 107 Attainment Status Designations"

section_number: "81.303"

section_subject: "Arizona."

cfr_reference: "40 CFR 81.303"

title_name: "Title 40"

title_subject: "Protection of Environment"

parts_covered: "Part 81"

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"

---

For Federal Register citations affecting § 81.303, see the List of CFR Sections Affected, which appears in the Finding Aids section of the printed volume and at www.govinfo.gov.

§81.303 - Arizona.