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Clean Air Act Advisory Committee (CAAAC)

The CAAAC (Clean Air Act Advisory Committee) is an informal advisory group formed after the passage of the Clean Air Act Amendments of 1990.  DEQ seeks comments from CAAAC on a wide range of air quality issues including Title V, new sources review, and air quality fees.  The group consists of members of the regulated community, environmental organizations and the public.

Clean Air Act Advisory Committee Meeting  12/18/14
Meeting Agenda

Clean Air Act Advisory Committee Meeting  9/23/14
Meeting Agenda
Greenhouse Gas §111(d) Process for Existing Electric Generating Units
2010 SO2 NAAQS Implementation, Data Requirements Rule
Major Source Permit Application Fees
New Source Review PM2.5 SILs and SMC Rules
Monitoring Program Quality Assurance Project Plan Rules
2014 Annual Incorporation by Reference (IBR) Rulemaking
CFR Affected Sections for 2014 IBR
Meeting Notes

Further Information on Greenhouse Gas 111(d) Process:

·         Letter from Governor Steve Bullock (

DEQ Whitepaper and Public Meetings on Options for Montana’s Energy Future (

Clean Air Act Advisory Committee Meeting 4/24/14
Meeting Agenda

Meeting Notes

PM2.5 SILs and SMC Summary

Application Fees Summary


Staff Contact
Eric Merchant
Air Resources Mgmt. Bureau
(406) 444-1457