TY - SER AU - Walker, R. AU - Mason, P. TI - Radon : the facts T2 - Voluntary Housing PY - 1993/// KW - DESIGNATED AREAS KW - HOUSING ASSOCIATIONS KW - NATIONAL RADIOLOGICAL PROTECTION BOARD KW - NRPB KW - RADON GAS KW - TESTING METHODS N2 - Reports on the effects of radon and focuses on what housing associations are doing in some of the worst affected areas. Includes maps of the percentage of homes above action level in Devon, Cornwall and Derbyshire ER -