Air pollution
Subtitle: hazards of indoor radon could pose a national health problem : report
By: to the Pennsylvania Congressional Delegation, House of Representatives.
Contributors: United States. Congress. House. Pennsylvania Congressional Delegation.
Publisher: U.S. General Accounting Office
Published: 1987
Place of publication: Washington, D.C
Language: eng
Format: Microform
Number of pages: 55
Subjects: Radon.; Air -- Pollution -- Physiological effect.; Radioactive pollution.
Notes: Cover title.

"June 1986."

"B-223233"--P. [1].

"GAO/RCED-86-170."

Microfiche, [Washington, D.C.?] : SUPTDOCS/GPO, [1987]. 1 microfiche : negative ; 11 x 15 cm.