Clean Air Board Lauds Federal EPA Decision: Sentinel News

March 1st, 2009: The Sentinel News

Clean Air Board Lauds Federal EPA Decision

By Kelly Wilson, Sentinel Reporter

Excerpt:

The local Clean Air Board could be getting a boost from a federal appeals court’s recent decision to push the Environmental Protection Agency to explain its acceptable air pollution levels.

The EPA came under fire when it reviewed its policy on the matter in 2006 and maintained the previous level of 15 micrograms per cubic meter, rather than lowering the figure as many thought would have been appropriate.

Medical and scientific studies suggested that a more appropriate limit for the levels would have been between 12 and 14 micrograms per cubic meter, said CAB representative Thomas Au.

The pollutants regulated by the restriction include particulate matter like PM2.5, a byproduct of diesel engines and large trucks that is fine enough to be absorbed by the lungs.

“Diesel exhaust does contribute to the level of fine particles in the air and it is a source of local pollution,” Au said.

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