Regulation & law · 02/10/2001

EPA Approves Arizona's Plan to Reduce PM-10 in Phoenix Area

The EPA proposes to approve Arizona's Serious Area Plan for reducing particulate matter (PM-10) in the Phoenix area, including revisions to address the 24-hour PM-10 national ambient air quality standard. The plan also includes contingency measures and extends the deadline for attaining the standard from 2001 to 2006.