Obvious gap of contamination between Tokyo and Okinawa

The gap of the contamination level was clearly shown in this experiment done in Tokyo and Okinawa, on 12/29/2011.

In Tokyo, they measured radiation in Yoyogi Shibuya.

 


大きな地図で見る

 

In Okinawa, they measured radiation in Naha shintoshin park.

 


大きな地図で見る

Obvious gap of contamination between Tokyo and Okinawa

 

Obvious gap of contamination between Tokyo and Okinawa2

 

Tokyo (Street, not gutter)

2cm from the ground : 0.611 microSv/h (493 CPM) (The total of α,β,γ)

On the ground : 0.107 microSv/h (156 CPM) (Only γ)

 

Okinawa (Street, not gutter)

2cm from the ground : 0.110~0.145 microSv/h (135 CPM) (The total of α,β,γ)

On the ground : 0.046~0.056 microSv/h (91 CPM) (Only γ)

(Source)

 

 

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