Re: LD/50 for rats and humans

[Brian Rees <brees@lanl.gov>]

Jim,

I'm curious about the methodology used, from pictures I've seen that show
the exposure apparatus for rats (mice, etc.),  you'd invoke an aversion
response in me too after being placed in an (scaled) exposure chamber a few
times.  :  ( )   If there were no "placebo" exposures I'd start to question
the results.   

Brian Rees
brees@lanl.gov


>Specifically, I have been reviewing a paper written in 
>1967 that demonstrates that rats would avoid flavored 
>water that they had been conditioned to associate with 
>low levels of radiation exposure.  Specifically, doses of 
>10 - 50R (independent of dose rate) were cited as 
>adequate to induce this aversion response.  What would 
>this be in "human rem?"
>
>Thanks in advance,
>
>Jim Barnes, CHP
>Radiation Safety Officer
>Rocketdyne/Boeing
>james.g.barnes@att.net
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