Sorry for not making myself clear

Brian Burlinson Brian.Burlinson at btinternet.com
Mon Mar 16 16:23:22 EST 1998

Surely LD50s are a thing of the past - there are numerous references to the
step procedure for determining acute toxicity.
Nigel Moore wrote in message
<01bd3b92$8822fbe0$470f66a1 at eusunw2105.rec.bp.com>...
>As Chris said, published LD50 values are only a guide to the acute toxicity
>of a substance. Many variables (including technical as well as biological)
>will act upon the final result.
>The best methodology would be to carry out an LD50 in your own lab. That
>way the result will be properly controlled for your own set of conditions.
>Good luck.

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