Wednesday, September 03, 2014

EPA Extensive Staff Report Proposes Stricter Ozone Standards

EPA Policy Assessment for the Review of the Ozone NAAQS, Final Report - EPA staff 597-page report. The current O3 standards established in 2008 are 75 ppb, and a secondary identical to the primary standard. Staff reaches the overall conclusion that the available health evidence and exposure/risk information call into question the adequacy of the public health protection provided by the current standard.