Comment submitted by Joe Carriero, Manager, External Affairs Programs, Environmental Quality Division, National Park Services (NPS)
Posted : 11/04/2009     ID ：EPA-HQ-OAR-2007-0492-0050     Agency : EPA

Comment Period Closed
Nov 09,2009 11:59 PM ET

Comment submitted by Eladio M. Knipping, Ph.D., Naresh Kumar, Ph.D., Stephanie L. Shaw, Ph.D., Electric Power Research Institute (EPRI)
Posted : 11/09/2009     ID ：EPA-HQ-OAR-2007-0492-0057     Agency : EPA

Comment Period Closed
Nov 09,2009 11:59 PM ET

Comment submitted by Lorraine Krupa Gershman, Director, American Chemistry Council (ACC)
Posted : 11/10/2009     ID ：EPA-HQ-OAR-2007-0492-0058     Agency : EPA

Comment Period Closed
Nov 09,2009 11:59 PM ET

Comment submitted by Ted Steichen, Policy Advisor, Regulatory and Scientific Affairs, American Petroleum Institute (API)
Posted : 11/10/2009     ID ：EPA-HQ-OAR-2007-0492-0059     Agency : EPA

Comment Period Closed
Nov 09,2009 11:59 PM ET

Comment submitted by Aaron M. Flynn, Counsel, Hunton & Williams LLP on behalf of Utility Air Regulatory Group (UARG)
Posted : 11/10/2009     ID ：EPA-HQ-OAR-2007-0492-0060     Agency : EPA

Comment Period Closed
Nov 09,2009 11:59 PM ET

Comment submitted by Lucinda Minton Langworthy, Counsel, Hunton & Williams LLP on behalf of Utility Air Regulatory Group (UARG)
Posted : 11/10/2009     ID ：EPA-HQ-OAR-2007-0492-0061     Agency : EPA

Comment Period Closed
Nov 09,2009 11:59 PM ET

Comment submitted by Annette C. Rohr, ScD, DABT, Senior Technical Manager, Air Quality and Health, Electric Power Research Institute (EPRI)
Posted : 11/17/2009     ID ：EPA-HQ-OAR-2007-0492-0063     Agency : EPA

Comment Period Closed
Nov 09,2009 11:59 PM ET