000 00554cab a2200193 4500
001 WB2506-06
008 090401t1989 xxu||||| |||| 00| 0 eng d
035 _a(Sirsi) u53383
041 _aeng
245 _aRadon level under review
260 _c1989
350 _a0
490 _aBuilding
_vvol 254 no 7584, 10/2/89 p67
520 _aThe National Radiological Protection Board is reviewing the recommended maximum exposure for radon in housing .
650 _aSICK BUILDINGS
690 _aBUILT ENVIRONMENT
942 _n0
948 _c04/03/1997
999 _c32910
_d32910