[ RadSafe ] Trivial comments from Busby (Was LLD question)

[Thompson, Dewey L]

Hey Busby. Can you read at at least a fifth grade level?  It appears not.

Stewart never said the Fukushima releases were trivial.   

He SAID that people are panicking from trivial amounts of radioactivity in the US. (Which they were). 

Sheesh

Dewey
Dear Radsafers,
This is a reply to Stuart Farber who talks about trivial levels from Fukushima. I have measured Cs137 in air filters from cars driving for known periods of time 100km from Fukushima and in one case in Chiba which is East of Tokyo. I have used NaiTl and also had the labs at Harwell do high resolution counting.  Activity of Cs134 in these Filters was between 120 and 270Bq.
This can be shown (from the cubic capacity of the engine, the rpm and the mileage after Fk) to give levels of Cs137 of about 1-3Bq/cubic metre. Northerm hemisphere peak activity of Cs137 was about 2 to 3mBq (milliBecquerels, Yes) Cs-137 per cubic metre as measured in Harwell UK at the peak opf the fallout in 1963. I just say this to advise you that the Fukushima releases are not trivial. About 1000 times higher than the peak fallout levels.
Cheers
Chris


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