000			00689cab a2200217 4500
001			ABS44932
008			090401t1991 xxu||||| |||| 00| 0 eng d
035			_a(Sirsi) u49936
041			_aeng
100			_aDixon, D
245			_aRaid on radon
260			_c1991
350			_a0
490			_aBuilding _v256(7708) 2 August 1991, 42-43(2)
520			_aReports on three methods, developed by Cornwall CC, of dispersing radon from buildings; a sump, underfloor extraction and the creation of higher internal pressure than outside pressure.
650			_aRADON GAS
690			_aBUILT ENVIRONMENT-CONSTRUCTION DESIGN
700			_aGregory, T.
942			_n0
948			_c04/03/1997
999			_c31251 _d31251