EPA Region 10 undertook the review of the Idaho Department of Environmental Quality's direct implementation of the Clean Air Act Title V and RCRA Subtitle C programs in the second round of the national State Framework Review process. Region 10 and IDEQ agreed to conduct the review in July 2005 for the federal fiscal year that ended September 30, 2004. Region 10 assembled a review team and to the extent possible used the protocols, guidelines, and reporting formats developed for the State Review Framework published by the EPA Office of Compliance in June 2005. Concurrently, EPA Region 10 conducted an evaluation of IDEQs implementation of the national CAA Compliance Monitoring Strategy (CMS), as called for in OECAs national program guidance to meet the objectives outlined in the CMS. This report documents the results of that evaluation as well, which is not limited to the same time period as the Framework review.