Particulate matter : EPA has started to address the National Academies' recommendations on estimating health benefits, but more progress is needed : report to congressional rquesters.

Bibliographic Details
Corporate Author:	United States. Government Accountability Office
Format:	Government Document eBook
Language:	English
Published:	[Washington, D.C.] : U.S. Government Accountability Office, [2006]
Subjects:	United States. > Environmental Protection Agency. Particles > Environmental aspects > United States. Air > Pollution > United States. Environmental policy. Health risk assessment > United States. Environmental risk assessment > United States.
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