40 CFR § 52.2624 - Control strategy and regulations: Particulate matter.
---
identifier: "/us/cfr/t40/s52.2624"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 52.2624 - Control strategy and regulations: Particulate matter."
title_number: 40
title_name: "Protection of Environment"
section_number: "52.2624"
section_name: "Control strategy and regulations: Particulate matter."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "C"
subchapter_name: "AIR PROGRAMS"
part_number: "52"
part_name: "APPROVAL AND PROMULGATION OF IMPLEMENTATION PLANS"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "42 U.S.C. 7401"
cfr_part: "52"
---
# 52.2624 Control strategy and regulations: Particulate matter.
On June 2, 2017, the State of Wyoming submitted a maintenance plan for the Sheridan PM<sub>10</sub> nonattaiment area and requested that this area be redesignated to attainment for the PM<sub>10</sub> National Ambient Air Quality Standards. The redesignation request and maintenance plan satisfy all applicable requirements of the Clean Air Act.
[83 FR 14375, Apr. 4, 2018]