Radon-222 Exposure and Dose Concentration Levels in Jordanian Dwellings
Table 2
Summary of current measurement results of radon concentration and annual effective dose of indoor radon in dwelling buildings for the mean values of floor levels (B1, GF, F1, F2, F3, F4) and for the basement level (B1) compared with the literature-reported values of lower range and higher ranges for various Jordanian cities.
City
Literature-reported lower values Bq/m3
Literature-reported higher values Bq/m3
Current measurement (B1, GF, F1, F2, F3, F4) Bq/m3
Current measurement (B1) Bq/m3
Current measurement of effective dose (B1, GF, F1, F2, F3, F4) mSv/year
Current measurement of effective dose (B1) mSv/year
Zarqa
6.9
113.1
49.9
143.9
1.3
3.6
Madaba
28
212
54.1
122.8
1.4
3.1
Amman
20
440
30.8
48.3
0.8
1.2
Aqaba
12
64
47.6
71.3
1.2
1.8
Karak
24
556
64.9
107.0
1.6
2.7
Ma'an
40
440
87.1
216.3
2.2
5.5
Mafraq
12
80
34.0
52.2
0.9
1.3
Irbid
3.1
163.9
72.3
142.2
1.8
3.6
Russeifa
4
1532.9
102.9
314.7
2.6
7.9
Grand meana
16.7±12.4
400.2±460.9
60.4±56.2
135.4±85.4
1.5±0.6
3.4±2.2
aGrand arithmetic mean and its one sigma standard deviation for each Jordanian province.
