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Banned Herbicides & Pesticides
Franz Heymann wrote in message ... "anton" wrote in message ... Why is it significant that organochlorines such as aldrin and dieldrin have 'half-lives' measured in years? With respect to this argument, the half-lives of those compounds are of no significance whatsoever.. It is possible that you misunderstood the concept of "half-life" in this context. I (possibly wrongly) understand it to mean that if I ate a 1gm of a substance now, the half-life of that substance in me is the time after which there will still be 1/2 gm of it left in me. [Franz Heymann] I understood it to mean the half-life in the soil, water, etc, but you might be right in believing it to be the half-life in our bodies. Either way, with respect to this argument, the half-lives of those compounds are of no significance whatsoever. To return to the point, the kneejerk classification of synthetic pesticides as 'poisons' is merely hysterical when there are so many natural poisons in the garden, and so many other 'poisons' in all other aspects of modern life. -- Anton |
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