eCFR Reference Browser

---

title: "40 CFR §72.3"

source: "https://www.ecfr.gov/current/title-40/section-72.3"

title_number: "40"

volume_number: "18"

chapter_number: "Unknown"

subchapter_code: "C"

subchapter_subject: "AIR PROGRAMS (CONTINUED)"

part_code: "72"

part_subject: "PERMITS REGULATION"

subpart_code: "A"

subpart_subject: "Acid Rain Program General Provisions"

section_number: "72.3"

section_subject: "Measurements, abbreviations, and acronyms."

cfr_reference: "40 CFR 72.3"

title_name: "Title 40"

title_subject: "Protection of Environment"

parts_covered: "Parts 72 to 79"

revised_date: "Revised as of July 1, 2017"

publication_date: "As of July 1, 2017"

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"

---

Measurements, abbreviations, and acronyms used in this part are defined as follows:

§72.3 - Measurements, abbreviations, and acronyms.