---
kind: "section"
citation: "40 C.F.R. § 52.331"
title: "40"
number: "52.331"
heading: "Committal SIP for the Colorado Group II PM 10 . areas."
url: "https://uscodex.org/cfr/40/52.331"
---

# §52.331. Committal SIP for the Colorado Group II PM 10 . areas.


On April 14, 1989, the Governor submitted a Committal SIP for the Colorado Group II PM10 areas. The SIP commits the State to continue to monitor for PM10, report data and to submit a full SIP if a violation of the PM10 National Ambient Air Quality Standards is detected.


## Notes

### Amendments

[54 FR 43178, Oct. 23, 1989]

### Authority

Authority: 42 U.S.C. 7401 et seq.

### Amendments

[40 FR 5521, Feb. 6, 1975]

### Amendments

[54 FR 43178, Oct. 23, 1989]