EPA's proposed revisions to the particulate matter air quality standards : hearing before the Subcommittee on Clean Air, Climate Change, and Nuclear Safety of the Committee on Environment and Public Works, United States Senate, One Hundred Ninth Congress, second session, July 13, 2006.
|Corporate Author:||United States.|
Washington : U.S. G.P.O. : 2009.
> Environmental Protection Agency
> Rules and practice.
Particles > Environmental aspects > United States.
Air > Pollution > Standards > United States.
Air quality > Standards > United States.
Shipping list no.: 2009-0343-P.
Also available via the Internet from the GPO Access web site.
iii, 244 p. :
ill., maps ;
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