Staying healthy : health issues surrounding proposed changes in clean air standards : hearing before the Subcommittee on Public Health of the Committee on Health, Education, Labor, and Pensions, United States Senate, One Hundred Seventh Congress, second ... September 3, 2002.

United States.
Bok · Engelsk

Annen tittel	Staying healthy
Emner	Air quality management - United States. Air quality - Standards - United States. Air - Pollution - Health aspects - United States. Air - Pollution - Law and legislation - United States.