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Banned Herbicides & Pesticides
"anton" wrote in message ... sw wrote in message ... anton wrote: Nick Maclaren wrote in message ... In article , Mary Fisher wrote: No- not amazing. You've just proved that it's perfectly safe if you follow the instructions on the can. Just like pesticides ;-) Sorry, but that's not true... organochlorines aren't 'perfectly safe' whether you follow the instructions on the tin or not :-/ Sorry, that's not true. PVC is an organochlorine and is 'perfectly safe' unless you start burning it. Which organochlorines in which tins are you suggesting ain't perfectly safe? I'll get my chair ... My tame biochemist is unable to think of any organochlorines that are safe for mammals in large quantities. Er- we seem to have an instance of moving goalposts. Safe 'if you follow the instructions on the tin' was the original target, not 'safe for mammals in large quantities'. Do you know the meaning of the word 'bioaccumulative'? Yes. Munch on this ragwort. 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] My suggestion was that (garden) pesticides are perfectly safe if instructions are followed. My suggestion was _not_ that previous generations of pesticides were safe, so don't bother me with aldrin and dieldrin, or I'll tell you about lead arsenate. Clearly in the light of the toxicity of water itself my 'perfectly' is an exaggeration, and I'll withdraw it if you like. There are some serious health issues on the subject of pesticides- the use of organophosphates by sheep farmers for instance- but these hardly apply on a garden scale. 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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