Monitoring of ²²⁰Rn Concentrations in Buildings of Kufa Technical Institute, Iraq

Table 3

Results of thoron progeny concentration and annual effective dose in study area.

No.	Code Building	PAEC (mWL)	Annual effective dose (mSv/y)
1	B1	1.44	0.42
2	B2	0.86	0.81
3	B3	0.57	0.16
4	B4	0.51	0.15
5	B5	0.48	0.14
6	B6	0.45	0.13
7	B7	0.38	0.11
8	B8	0.32	0.09
9	B9	0.28	0.08
10	B10	0.27	0.07
11	B11	0.21	0.06
12	B12	0.14	0.04
13	B13	—	—
14	B14	—	—
15	B15	—	—
Average ± S.D		0.53 ± 0.11	0.20 ± 0.06