40 CFR § 52.331 - Committal SIP for the Colorado Group II PM. areas.
---
identifier: "/us/cfr/t40/s52.331"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 52.331 - Committal SIP for the Colorado Group II PM. areas."
title_number: 40
title_name: "Protection of Environment"
section_number: "52.331"
section_name: "Committal SIP for the Colorado Group II PM. areas."
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: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "42 U.S.C. 7401"
cfr_part: "52"
---
# 52.331 Committal SIP for the Colorado Group II PM. areas.
On April 14, 1989, the Governor submitted a Committal SIP for the Colorado Group II PM<sub>10</sub> areas. The SIP commits the State to continue to monitor for PM<sub>10</sub>, report data and to submit a full SIP if a violation of the PM<sub>10</sub> National Ambient Air Quality Standards is detected.
[54 FR 43178, Oct. 23, 1989]