General Overview of Radon Studies in Health Hazard Perspectives

Table 1

Summary of radon surveys in dwellings [14].

Country	Indoor radon concentration (Bq/m^3)
	Arithmetic mean	Geometric mean	Geometric standard deviation
Australia	11	8	2.1
Belgium	48	38	2.0
Canada	28	11	3.9
Czech Republic	140	44	2.1
Denmark	59	39	2.2
Finland	120	84	2.1
France	89	53	2.0
Germany	49	37	2.0
Greece	55	44	2.4
Ireland	89	57	2.4
Italy	70	52	2.1
Portugal	62	45	2.2
Mexico	140	90	NA
Netherlands	23	18	1.6
Spain	90	46	2.9
United Kingdom	20	14	3.2
USA	46	25	3.1
Switzerland	78	51	1.8
Republic of Korea	53	43	1.8
Japan	16	13	1.8

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