|
Date
|
Source of info.
|
Radioactive materials
|
Amount
|
|
Oct. 1
|
Tokyo Evening News
|
cesium 138 (xenon 138)
|
not reported
|
|
Oct. 2
|
Mainichi Evening News
|
barium139,
|
not reported
|
|
strontium 91 (krypton 91)
|
not reported
|
|
cesium 137
|
a minute amount
|
|
Oct. 2
|
Asahi Evening News
|
sodium 24(300m west of the site)
|
64Bq/kg
|
|
sodium 24 (3 km west of the site)
|
1.7Bq/kg
|
|
cesium 137
|
a minute amount
|
|
Oct. 3
|
Mainichi News
|
sodium 24 (3 km west of the site)
|
1.7Bq/kg
|
|
cesium 137
|
a minute amount
|
|
Oct. 4
|
Kyodo News
|
strontium 91(in the atmosphere of an area 900m south-east of the site)
|
0.021Bq/m3
|
|
Oct. 4
|
TBS (NEWS23)
|
iodine 131 (from leaves of a mugwort plant and soil)
(Mr. Koide of Kyoto University Research Reactor Institute)
|
54.7 Bq/kg
|
|
iodine 133 (leaves of a mugwort plant)
(Mr. Koide of Kyoto University Research Reactor Institute)
|
not reported
|
|
Oct. 5
|
Mainichi News
|
iodine 131 (from leaves of a mugwort plant and soil)
|
23 to 55Bq/kg
|
|
iodine 133 (leaves of a mugwort plant)
|
not reported
|
|
Oct. 5
|
Asahi News
|
iodine 131 (from leaves of a mugwort plant and soil)
(found by Mr. Koide of Kyoto University Research Reactor Institute on Oct. 2nd at an area 100m away of the site.)
|
54.7 Bq/kg
|
|
iodine 133 (leaves of a mugwort plant)
(found by Mr. Koide of Kyoto University Research Reactor Institute on Oct. 2nd at an area 100m away of the site.)
|
not reported
|
|
xenon 139 (from the hospitalized workers’ vomit.)
|
not reported
|
