EPA: Pinal County must lower dust level

 

After two years of warnings, Pinal County has been ordered to clean up its air.

The U.S. Environmental Protection Agency has declared that portions of western Pinal County are violating its coarse-dust standard, which limits the amount of PM-10, particles 10 micrometers or less in diameter, present in the air.

Affected are the most populous areas of Pinal County, including the San Tan Valley area, Maricopa, Casa Grande and portions of Coolidge, Florence and Eloy.
Read more: http://www.azcentral.com/arizonarepublic/local/articles/2012/05/23/20120523epa-pinal-county-must-lower-dust-level.html#ixzz1vnG7gnyN

Article courtesy of The Arizona Republic by Lindsey Collom