. 2016 Aug 8;6:31061. doi: 10.1038/srep31061

Table 3. Measured Values of Radon and Thoron Concentrations (Bq/m³) in different types of houses of Garhwal Himalaya.

	Cemented Houses				Mud Houses				Wooden Houses
	(Cement + Stone + Bricks)				(Mud + Stones)				(Wood)
	Ground Floor (Number of Houses = 19)		First Floor (Number of Houses = 21)		Ground Floor (Number of Houses = 10)		First Floor (Number of Houses = 12)		Ground Floor (Number of Houses = 05)		First Floor (Number of Houses = 05)
	²²²Rn	²²⁰Rn	²²²Rn	²²⁰Rn	²²²Rn	²²⁰Rn	²²²Rn	²²⁰Rn	²²²Rn	²²⁰Rn	²²²Rn	²²⁰Rn
Min	12 ± 2	5 ± 2	5 ± 1	1 ± 0.3	18 ± 3	10 ± 2	6 ± 2	4 ± 1	10 ± 2	15 ± 3	4 ± 1	6 ± 2
Max	123 ± 7	108 ± 8	79 ± 6	122 ± 8	142 ± 8	61 ± 6	74 ± 6	76 ± 6	142 ± 8	61 ± 6	174 ± 12	71 ± 6
Average	56	38	18	22	67	31	21	22	46	42	45	26

Table 3. Measured Values of Radon and Thoron Concentrations (Bq/m3) in different types of houses of Garhwal Himalaya.