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No such restrictions impede the use of these poisons in the United States, however.
Fortunately Arsenic production in herbicides in the US is now banned, but imported use continues.
pentachlorophenol, sometimes known as “penta,” is used as a weed killer as well as an insecticide, often being sprayed along railroad tracks and in waste areas. Penta is extremely toxic to a wide variety of organisms from bacteria to man.
Pentachlorophenol still isnt banned in US.
the now famous cranberry-weed-killer aminotriazole, or amitrol, is rated as having relatively low toxicity. But in the long run its tendency to cause malignant tumors of the thyroid may be far more significant for wildlife and perhaps also for man.
Amitrol is still in use in US.
These particular refuges occupy critical positions in the conservation of western waterfowl.
I wonder what status is as of 2023.
two endangered species, the redhead and the ruddy duck.
2023 status?
Meanwhile, the nesting colonies of the grebes dwindled—from more than 1000 pairs before the first insecticide treatment to about 30 pairs in 1960. And even the thirty seem to have nested in vain, for no young grebes have been observed on the lake since the last DDD application.
As of 2023, theyve rebounded.
cost about $3.50 per acre—the most expensive, the most damaging, and the least effective program of all.
But i bet it was profitable to the chemical industry. Some things never change.
The choice, after all, is ours to make. If, having endured much, we have at last asserted our “right to know,” and if, knowing, we have concluded that we are being asked to take senseless and frightening risks, then we should no longer accept the counsel of those who tell us that we must fill our world with poisonous chemicals; we should look about and see what other course is open to us.
