Mar 10, 2009· Petition for Reconsideration for the EPA Responses to State and Tribal 2006 24-Hour PM2.5 Designation Recommendations submitted by Environmental Defense (EDF), Natural Resources Defense Council (NRDC) and Sierra Club· EPA-HQ-OAR-2007-0562-0179
Filed on regulations.gov — full text not in the inline record.
Oct 6, 2008· Comment submitted by Bob Yuhnke, Environmental Defense Fund (EDF) and Natural Resources Defense Council (NRDC)· EPA-HQ-OAR-2007-0562-0136
Filed on regulations.gov — full text not in the inline record.
Oct 3, 2008· Comment submitted by American Lung Association (ALA), Earthjustice, Environmental Defense Fund (EDF) and Natural Resources Defense Council (NRDC)· EPA-HQ-OAR-2007-0562-0095
Filed on regulations.gov — full text not in the inline record.