Table 2 Percentage contribution of the highly contaminated grains to the total weight and the total radiocaesium activity in the southern area of Minamisoma City in 2013.

From: Evaluation of the cause of unexplained radiocaesium contamination of brown rice in Fukushima in 2013 using autoradiography and gamma-ray spectrometry

Sample ID

Percentage contribution

To the total weight (%)

To the total activity (%)

HG *

LG*

HG *

LG*

MSG1

5.9

94.1

63.2

36.8

MSG4

5.4

94.6

72.2

27.8

MSG7

7.7

92.3

60.6

39.4

MSG8

7.1

92.9

57.0

43.0

MSG11

3.3

96.7

55.9

44.1

MSG14

4.4

95.6

49.4

50.6

MSG17

4.4

95.6

49.8

50.2

MSG18

2.5

97.5

55.1

44.9

MSG19

2.2

97.8

41.4

58.6

MSG20

5.3

94.7

60.8

39.2

  1. *HG: highly contaminated grains. LG: less contaminated grains.
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