eCFR Reference Browser

---

title: "40 CFR §1501.3"

source: "https://www.ecfr.gov/current/title-40/section-1501.3"

title_number: "40"

volume_number: "37"

chapter_number: "Unknown"

subchapter_code: "U"

subchapter_subject: "AIR POLLUTION CONTROLS"

part_code: "1501"

part_subject: "NEPA AND AGENCY PLANNING"

subpart_code: "A"

subpart_subject: "Overview and Applicability"

section_number: "1501.3"

section_subject: "When to prepare an environmental assessment."

cfr_reference: "40 CFR 1501.3"

title_name: "Title 40"

title_subject: "Protection of Environment"

parts_covered: "Part 1060 to End"

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"

---

(a)Agencies shall prepare an environmental assessment (§ 1508.9) when necessary under the procedures adopted by individual agencies to supplement these regulations as described in § 1507.3. An assessment is not necessary if the agency has decided to prepare an environmental impact statement.

(b)Agencies may prepare an environmental assessment on any action at any time in order to assist agency planning and decisionmaking.

§1501.3 - When to prepare an environmental assessment.