2015. 1. 15 ( )

1

14 3 2

5m

13.6m 1

2

Wikimedia Commons

137

3

Newton 7: 30, 2011

2.14

40 12.77

14 5,730

87 488

(2008) 5

6

1895 11 8 X7

X

1895 11 8 X

e-

8

X

1898

9

GM

10

X

1

11

(Sv)

X 1

1

5 20

20

Sv= X Gy

12

(Sv)

13

14

15

•

•

• DNA

16

60 Gy

1 12 Gy 48 Gy90 %

2 Gy 60 Gy17

50 %LD50/60)

2.7 – 3.1 Gy

Critical dose = 5 Gy

6 Gy

7-10 Gy

18

100 %

50 %

5 Sv

7 Sv

1 Sv(1,000 mSv)

1 mSV(1,000 Sv)

1 Sv

100 mSvLog10

10 mSv

19

20

( : ICRP Publication41 )

21

022

23

40 400 600 mSv

(Kondo S. Nuclear Science & Technology 36 1-9, 1999)

( 1

2 3 3

)

24

ICRP2007

2

0.2%/Sv

0.1%/Sv

Vol . 2 2010

25

2.4 mSv0.3 mSv y ( 0.03 Sv o

0.3

40 0.3222Rn 0.3

2.1 mSv

1 2 mSv

( ) 1 0.2 mSv

26

(mSv)

10.2 260 Ra

5.5 35

3.8 35

3.5 5.4

0.67 1

0.43 1.26

27

28

0 1 10 (mSv/ )

( )

0

29

100 mSv 3 Sv

(Gilbert ES, Int J Radiat Biol. 85: 467-482, 2009)

5.5%/Sv4.1%/Sv(ICRP 2007 )

30

•••••

31

20 1945 12 14

32

93,620Preston . Radiation Res. 162: 377-389 (2004)

0-2 Gy

(Sv)

33

( Pierce DA, Preston DL, 2000, Radiat Res 154: 178-186 )

3Km5mSv

(10,159 )

3Km5mSv

(33,652 )

(Sv)

0-0.10 Sv

34

Preston . Radiation Res. 162: 377-389 (2004)

1Sv

10

30

50

35

Preston . Radiation Res. 162: 377-389 (2004)

(Sv)

36

Preston . Radiation Res. 162: 377-389 (2004)

1Sv

40

0 9

40

20 39

37

15 407,391 13( Cardis E et al. BMJ 9:331, 2005)

100 mSv 0.97(0.03-1.88)100 mSv

1.19(<0-8.47)

100 mSv 9.7% 19%

!

38

Kerala 101990 1996

(Krishnan Nair M et al.: Population Study in the High Natural BackgroundRadiation Area in Kerala, India Radiation Research 152 S145-S148, 1999

5 mGy

39

Nair RK(2000)

4mGy70 mGy/

385,103 10.5 69,958-0.13/Gy

Zuoyuan W(1990)

2

2.9 mGy(140 mGy)

50-65

1,001 9.5 %

1.0mGy(50 mGy) 1,005 9.3 %

40

Rafnsson V (2005) 4453.02 (1.44-6.35)

Blettner M (2003) 928,000 (1960-97 )

547,564 x(SMR)

2,244 SMR=0.68(0.61-0.67)

1.78(1.15-2.67)0.53(0.44-0.62)

Zeeb H (2002) 6,.061 (1960-97 )80.5 mSv

105,037 x(SMR)

255 SNR0.48(0.42-0.54) 76

SMR 0.56(0.43-0.74)

Gundestrup M(1999) (AML) 3,877

169 (153.1 ) 5,000

AML

Pukkala E (2003) 10,211(SIR)

466

SIR AML

(

41

0 1 10 100 mSv

( )

(2.1 mSv)

9.7%(Cardis)

1%( )

2%(10 )

0.43%(Preston )0.55%(ICRP)

0

Health Risks from Exposure to LowLevels of Ionizing Radiation: BEIR VII , 2005 42

••

•( 20mSv 30% 30.1%

)•

100mSv

43

ICRP(95) 100mSv

100mSv

(96) 100mSv

(ICRP 2007 )ICRP

44

45

•

• 10-50mSv

12.5 mg1 3 25 mg3 13 38 mg13 40 76 mg40

46

-131 -134,137 -90 -239

8.04 Cs 134 2Cs 137 30 28.8 2.4

12812 Cs 137 70 49.3 50

20

47

2013.9

48

49

50

1 mSv 20 mSv50 mSv

100 mSv100 mSv 250 mSv

51

3/15 11,930 Sv/

3/16 752 Sv/3/17 4,165 Sv/ 2012.1.4

2012.1.17

52

134 1371m

2011.12.16

53

2014.12.5Sv/

0.056 0.49

0.053 0.46

0.043

0.062

0.084

0.066

0.063

0.044

0.119

0.075

0.06 0.07 Sv/h 54

•

• (Sv)

•

•

55

• 100mSv

•

•

56

• 20mSv

•

•

57