Health effects of indoor air pollution hearing before the Subcommittee on Environmental Protection of the Committee on Environment and Public Works, United States Senate, One hundredth Congress, first session, April 24, 1987

"Health effects of indoor air pollution hearing before the Subcommittee on Environmental Protection of the Committee on Environment and Public Works, United States Senate, One hundredth Congress, first session, April 24, 1987"@en
"Health effects of indoor air pollution : hearing before the Subcommittee on Environmental Protection of the Committee on Environment and Public Works, United States Senate, One hundredth Congress, first session, April 24, 1987"@en
"Health effects of indoor air pollution : hearing before the Subcommittee on Environmental Protection of the Committee on Environment and Public Works, United States Senate, One hundredth Congress, first session, April 24, 1987"
"Radon gas issues joint hearing before the subcommittees on Environmental Protection and Superfund and Environmental Oversight of the Committee on Environment and Public Works, United States Senate, One hundredth Congress, first session, on S. 743 a bill to authorize the Environmental Protection Agency to conduct a study for the purpose of determining the extent to which radon in the nation's schools poses a threat to children and employees within such schools, and for other purposes and S. 744 a bill to assist states in responding to the threat to human health posed by exposure to radon, April 2, 1987"@en