Unit 1
R/B Unit 2
R/B
Unit 3 R/B
Unit 4 R/B Unit: mSv/h
2.0
0.28
0.70 0.055
0.35 0.32
Transfer 1.5(Surface)pipe 1.0(Atmosph
ere )
Transfer 1.2(Surface)pipe 0.80(Atmosp
here ) Transfer pipe
0.10(Surface) 0.060(Atmosp
here )
Transfer pipe 80(Surface) 10(Atmosphe
re )
Transfer pipe 0.18(Surface) 0.18(Atmosph
ere )
Transfer pipe 0.35(Surface) 0.065(Atmosph
ere ) 0.15
0.10 July, 2011
70~ 100 Unit 1& 2
SGTS pipe
>10,000
October, 2012
0.26
0.30
0.060 0.21
0.10 0.90 0.65
0.25 0.17 0.38 0.17 0.20
0.050
0.25 0.30 0.20
June, 2012 July, 2012
0.25
0.4 1.3
0.50
0.20
0.50
(Rooftop)
1.0
0.20
0.300.05 0.43 0.24 1.3
0.60 0.50
0.21
0.10
0.20 0.20
0.60
1.0 0.7 0.20
November, 2012
December, 2012 March, 2013
0.019 0.050 0.018
0.085 0.011 0.026
0.18 0.050
0.040
0.15 0.3 0.15
0.8 0.3
1.3 0.27 0.20
Upper part of concrete-filed vertical shaft 0.25(after gravel installation)
0.14 0.10
0.10
0.040
0.090 0.050
0.20
0.90 1.0
1.0 0.40
0.092
0.060
0.47 0.085
0.090
0.25
0.55
0.026 0.12
0.068 0.20
2.5
0.080 0.11 0.20
June, 2013
0.35
July, 2013 0.20
2.0
2.5 4.0
Atmosphere 1.8 Ground surface 8.5 1.5
Atmosphere 1.7 Ground surface 8.5
1.0
September, 2013 November, 2013
0.4
In front of the door of carry-in entrance
3.5
2.7
0.045 0.35
0.050
0.045 0.085
0.055 0.080
0.050
April, 2014
0.030 0.050
0.050 0.026
0.025 0.050
0.040
0.050 0.080 0.20
July, 2014 June, 2014
0.11
September, 2014 Fukushima Daiichi NPS Survey Map (As of 5:00 PM on September 9, 2014)
Bottom of side ditch 30(Surface)
1.3 (Atmosphere)