千葉県Chiba Prefectural Government

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Chiba Prefecture > Business > Results of Radiation measurements for seawater at Chiba Port

Update:November 15, 2017

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 2018.
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

sampling point

Click to view larger image

(3)Surveying Agency

Chiba Prefecture(measurements are carried out by contractors)

2 The Latest Measurement Result

Date:November 13,2017(Monday)
Iodine-131 Caesium-134 Caesium-137
Not detected Not detected Not detected

※Not detected indicates that the radiation levels do not exceed the detection limit.

3 Past Measurement Results

Radiation has never been detected.