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2008 Ozone SIP Approved by EPA

On July 21, 2010, the U.S. Environmental Protection Agency (EPA) published the Proposed Rule for approval the 2008 ozone state implementation plan (SIP) in the federal register (Vol. 75 , Number 139, July 21, 2010).  For the final SIP and supporting documents, please...

RTD Celebrates 10 Years of SW Lightrail

Denver, July 13, 2010 – This month, the Regional Transportation District (RTD) is marking the 10 years since the Southwest Light Rail Line opened. Banners will be on display this month at a dozen key light rail stations and transit centers, and information will...

State Comments to EPA on New Ozone Standard

Comments on EPA’s Proposed National Ambient Air Quality Standards for 8-Hour Ozone: State of Colorado – March 22, 2010National Association of Clean Air Agencies (NACAA) – March 22, 2010Western States Air Resource Council (WESTAR) – March 26,...