The science and risk assessment behind EPA's proposed revisions to the particulate matter air quality standards : hearing before the Committee on Environment and Public Works, United States Senate, One Hundred Ninth Congress, second session, July 19, 2006.

Bibliographic Details
Corporate Author:	United States. Congress. Senate. Committee on Environment and Public Works
Format:	Government Document eBook
Language:	English
Published:	Washington : U.S. G.P.O., 2009.
Series:	S. hrg. ; 109-1048
Subjects:	United States. > Environmental Protection Agency > Rules and practice. Air quality > Standards > United States. Air > Pollution > Standards > United States. Particles > Environmental aspects > United States. Health risk assessment > United States. Environmental risk assessment > United States.
Online Access:	https://purl.fdlp.gov/GPO/LPS114950

Description
Item Description:	Title from title screen (viewed on July 17, 2009). Electronic resource.
Physical Description:	iv, 206 pages : digital, PDF file.
Format:	Mode of access: Internet from the GPO Access web site. Address as of 7/17/09: http://frwebgate.access.gpo.gov/cgi-bin/getdoc.cgi?dbname=109%5Fsenate%5Fhearings&docid=f:47635.pdf ; current access is available via PURL.
Bibliography:	Includes bibliographical references.