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U.S. regulators delay smog rule for fourth time

The Environmental Protection Agency is again delaying issuing a final limit on ozone (smog) pollution until the Obama administration has finished reviewing it.  The rule is going through interagency review at the White House Office of Management and Budget and...

Mow Down Pollution 2011

YOUR OLD MOWER'S DAYS ARE NUMBERED. The Regional Air Quality Council is planning our annual Mow Down Pollution even for May 7th at locations around the Denver metro area.  This year, we invited you to pre-register for your new Neuton mower after April 18 at...

RAQC Chooses ENVIRON/Alpine for SIP Modeling

After a thorough competitive RFP process, the RAQC has chosen to move forward on a contract with ENVIRON/Alpine. The contract will include modeling to support the development of the upcoming Ozone State Implementation Plan, as well as other tasks that may arise as the...

EPA delays the release of the final ozone NAAQS until December 31, 2010

EPA announced it is delaying the release of the final ozone NAAQS until approximately December 31, 2010.  In the motion filed with the court, EPA requests the court to continue to hold in abeyance the pending litigation on the 2008 ozone NAAQS while EPA completes the...

4th Maximum Ozone Values Table (ppb) through September 30, 2010

Click here to view the updated table. The ozone standard set by the U.S. Environmental Protection Agency (EPA) is calculated using a rolling three-year average of the fourth (4th) maximum 8-hour ozone concentrations. An official violation occurs when the rolling...

RAQC Board Approves Goals and Criteria

The RAQC Board approved the Goals and Criteria document as presented at its September 8, 2010 meeting.  The purpose of the Goals and Criteria document is recognition of an agreement upon explicit goals and evaluation/decision making criteria to assist the RAQC members...

EPA delays the release of the final ozone NAAQS

EPA announced it is delaying the release of the final ozone NAAQS until approximately October 31, 2010.  A status report filed by EPA with the court announcing this new date is available here:...