TY - BOOK CN - Y 4.EN 2/3: CY - Washington : DA - 1993. ID - 151502 KW - Atmospheric radon KW - Radon KW - Health risk assessment N1 - Distributed to some depository libraries in microfiche. N1 - Shipping list no.: 93-0630-P. N1 - "Serial no. 103-39." PB - U.S. G.P.O. : PB - For sale by the U.S. G.P.O., Supt. of Docs., Congressional Sales Office, PP - Washington : PY - 1993. SN - 0160417252 T1 - Radon awareness and disclosure :joint hearing before the Subcommittee on Health and the Environment and the Subcommittee on Transportation and Hazardous Materials of the Committee on Energy and Commerce, House of Representatives, One Hundred Third Congress, first session, on H.R. 2448 ... July 14, 1993. TI - Radon awareness and disclosure :joint hearing before the Subcommittee on Health and the Environment and the Subcommittee on Transportation and Hazardous Materials of the Committee on Energy and Commerce, House of Representatives, One Hundred Third Congress, first session, on H.R. 2448 ... July 14, 1993. ER -