Table 2 Summary of indoor radon concentrations in homes throughout Korea
From: Indoor radon exposure and lung cancer: a review of ecological studies
no | Institution[ref] | Period | Area | No. of dwellings | 222Rn (Bq/m3) | |||
|---|---|---|---|---|---|---|---|---|
AM(SD) | GM(SD) | Median (Min, Max) | Excessive rate (ER)a (%) | |||||
1 | KINS [25] | 1988 (winter) | 7 citiesc | 530 | 99.9(-) | - | 88.8(-) | 16.0 |
2 | KAERI [26] | 1990.4–1990.10 | Nationwide | 340 | 59.57(-) | - | 48.90 (-) | - |
3 | 1993 | Nationwide | 34 | 27.75(4.07) | - | -(8.14, 99.9) | - | |
4 | ||||||||
5 | 1994.9–12 | Seoul | 410 | 18.9(10.7) | - | 19.70 (9.3, 30.7) | - | |
6 | 1995.9–12 | Northern area of Gyeonggi | 197 | 34.6(4.1) | - | -(18.5, 54.0) | - | |
7 | 1996.9–11 | Southern area of Gyeonggi | 384 | 29.4(19.4) | - | -(7.4, 132.8) | - | |
8 | 1997.8–11 | Incheon, Daejeon, Chungnam, Chungbuk | 590 | Incheon: 8.0(10.9) | - | Incheon: (2.7, 89.7) | - | |
Daejeon: 25.0(12.6) | Daejeon: (5.7, 82.2) | |||||||
Chungnam: 32.1(21.5) | Chungnam: (4.9, 145.7) | |||||||
Chungbuk: 20.0(20.3) | Chungbuk: (2.7, 131.6) | |||||||
9 | KINS [67] | 1999.12–2000.11 | Nationwide | 2,190 | 53.4(57.5) | 43.3(1.8) | 39.8 (13.6, 1,350) | 1.7 (200b) |
10 | KINS [33] | 2002–2004 | Nationwide | 450 | 40.4(56.0) | 10.7(2.9) | 25.4 (-, 731) | - |
11 | NIER [34] | 2011.12–2012.5 | Nationwide | 7,885 | 124.9(144.7) | 91.2(2.1) | 85.7 (7.0, 2,821.3) | 22.2 |
12 | NIER [35] | 2013.11–2014.4 | Nationwide | 6,648 | 102.0(114.2) | 74.9(2.0) | 68.0 (9.8, 1,936.6) | 16.3 |
‘12 highest radon level A area | 1,737 | 155.0(167.8) | 107.4(1.1) | 99.3 (7.4, 1,956.5) | 32.1 | |||
13 | CRIPHE [32] | 2013.11–2014.3 | Chungnam 5 province | 114 | 92.5(-) | - | -(9.6, 640.4) | 15.8 |