Chiba Prefecture > Business > Results of Radiation measurements for seawater at Chiba port
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Update:May 18, 2012
Results of Radiation measurements for seawater at Chiba port
1 Overview
The radiation levels in the seawater at Chiba port are being measured as a result of the accident at TEPCO's Fukushima Daiichi Nuclear Power Plant.
(1)Survey day
Measurements are scheduled to be taken once a week from August 8,2011 until the end of March 2013.
In principle,measurements will be taken on Mondays. As soon as results of the survey have been determined,they will be posted on this website.
(2)Sampling point
Chiba routes
Click to view larger image
(3)Surveying Agency
Chiba Prefecture(measurements are carried out by contractors)
2 Measurement Results
unit：㏃／L
| Date | Iodine-131 | Caesium-134 | Caesium-137 |
|---|---|---|---|
|
May14（Monday） |
Not detected | Not detected | Not detected |
|
May7（Monday） |
Not detected | Not detected | Not detected |
|
May1（Tuesday） |
Not detected | Not detected | Not detected |
|
April23（Monday） |
Not detected | Not detected | Not detected |
|
April16（Monday） |
Not detected | Not detected | Not detected |
|
April9（Monday） |
Not detected | Not detected | Not detected |
|
April3（Tuesday） |
Not detected | Not detected | Not detected |
|
March26（Monday） |
Not detected | Not detected | Not detected |
|
March19（Monday） |
Not detected | Not detected | Not detected |
|
March12（Monday） |
Not detected | Not detected | Not detected |
|
March5（Monday） |
Not detected | Not detected | Not detected |
|
February27（Monday） |
Not detected | Not detected | Not detected |
|
February20（Monday） |
Not detected | Not detected | Not detected |
|
February13（Monday） |
Not detected | Not detected | Not detected |
|
February 6（Monday） |
Not detected | Not detected | Not detected |
|
January 30（Monday） |
Not detected | Not detected | Not detected |
|
January 23（Monday） |
Not detected | Not detected | Not detected |
|
January 16（Monday） |
Not detected | Not detected | Not detected |
|
January 10（Tuesday） |
Not detected | Not detected | Not detected |
|
January 4（Wednesday） |
Not detected | Not detected | Not detected |
|
December 26（Monday） |
Not detected | Not detected | Not detected |
|
December 19（Monday） |
Not detected | Not detected | Not detected |
|
December 12（Monday） |
Not detected | Not detected | Not detected |
|
December 5（Monday） |
Not detected | Not detected | Not detected |
|
November 28（Monday） |
Not detected | Not detected | Not detected |
|
November 21（Monday） |
Not detected | Not detected | Not detected |
|
November 14（Monday） |
Not detected | Not detected | Not detected |
|
November 7（Monday） |
Not detected | Not detected | Not detected |
|
October 31（Monday） |
Not detected | Not detected | Not detected |
|
October 24（Monday） |
Not detected | Not detected | Not detected |
|
October 17（Monday） |
Not detected | Not detected | Not detected |
|
October 11（Tuesday） |
Not detected | Not detected | Not detected |
|
October 3（Monday） |
Not detected | Not detected | Not detected |
|
September 26（Monday） |
Not detected | Not detected | Not detected |
|
September 20（Tuesday） |
Not detected | Not detected | Not detected |
|
September 12（Monday） |
Not detected | Not detected | Not detected |
|
September 5（Monday） |
Not detected | Not detected | Not detected |
|
August 29（Monday） |
Not detected | Not detected | Not detected |
|
August 22（Monday） |
Not detected | Not detected | Not detected |
|
August 15（Monday） |
Not detected | Not detected | Not detected |
| August 8（Monday） | Not detected | Not detected | Not detected |
※Not detected indicates that the radiation levels do not exceed the detection limit.
