Air pollution
Subtitle: hazards of indoor radon could pose a national health problem : report to the Pennsylvania Congressional Delegation, House of Representatives
By: United States General Accounting Office.
Contributors: United States. Congress. House. Pennsylvania Congressional Delegation.; United States. General Accounting Office.
Publisher: GAO
Published: 1986
Place of publication: Washington, D.C
Language: eng
Number of pages: 55
Subjects: Radon -- Toxicology.; Indoor air pollution.; Radon -- Environmental aspects.
Notes: Cover title.
"June 1986."
"GAO/RCED-86-170."