Word: trifluormethyl
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...company that cooperated very closely with the U.S. Fish and Wildlife Service in destroying lampreys that almost killed the fish life from Erie to Superior, we find your article [July 13] up to date and most interesting. May we mention that the one chemical, 3-trifluormethyl-4-nitrophenol, invented by Farbwerke Hoechst of Germany, which did the trick-out of 6,000 chemicals unsuccessfully used-was given by us to the U.S. Fish and Wildlife Service. We are naturally proud of this international cooperation. G.I.O. RUEBCKE President Hostachem Corp. Mountainside...
...killed two of the fish and one larva. Finally, in 1955, Chief John Howell of the service's Hammond Bay, Mich., lab, found a jar with its two larvae dead and its four little fish alive and frisky. The tricky compound that did the job best was 3-trifluormethyl-4-nitrophenol- more handily known as TFM. Developed by Government Biologist Vernon Applegate, TFM reaches into the mud and attacks lamprey larvae. Millions of them pop out of their burrows and writhe helplessly for hours before they...
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