Skip to main content

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 NIH [2729] 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 KFDA [30, 31] 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
  1. aER is 148 Bq/m3 of the US Environmental Protection Agency’s (USEPA) recommended action level; b200 Bq/m3 of the recommended value in International Commission on Radiological Protection (ICRP) 65; cseven cities include Seoul, Chuncheon, Daejeon, Daegu, Gwangju, Pusan, and Jeju.
  2. AM arithmetic mean, SD standard deviation, GM geometric mean, Min minimum, Max maximum, KINS Korea institute of nuclear safety, KAERI Korea atomic energy research institute, NIH national institute of health, KFDA Korea food and drug safety, NIER national institute of environmental research, CRIPHE Chungnam research institute public health and environment