Word: carcinogen
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...flinty rock mined in the Mesabi Range into about 15% of the nation's iron ore supply. But Reserve also dumped 67,000 tons of tailings a day into the world's largest freshwater lake, thereby polluting it with tiny fibers similar to asbestos, a carcinogen. Recalls Jon Luoma, head of public relations for the Minnesota Pollution Control Agency: "If the sun was right, or you were in an airplane, you could actually see the tailings moving southwest toward Duluth. It looked like a green slime...
...because the scientific establishment to which he belongs keeps warning us, every other day, it seems, of some new carcinogen that has been found in the air we breathe, the water we drink or the food we eat. Under these depressing circumstances, hypochondria seems to me not only normal but inevitable...
...pounds of plutonium a year. One pound, distributed evenly through the atmosphere, is enough to give every person on earth lung cancer for so goes the estimate of Dr. Helen Caldicott, author of Nuclear Madness and an anti-nuclear activist). One-millionth of a gram of plutonium constitutes a carcinogen dose. That's just one of the dangers when reactors operate "safely." Since at Three Mile Island, the public has learned that far more dangerous accidents will happen, and the anti-nuclear movement has been swelling...
...staff found a successful alternative chemical, methylene chloride, which was used exclusively in the lab starting Thursday. The staff deserves credit for the quick action taken to find a substitute for EDB. But it was irresponsible to needlessly expose students to this suspected human carcinogen in the Tuesday and Wednesday labs...
Cranmer called for a better assessment of the risks and suggested that more research be done. Otherwise, he said, because of "current toxicological ignorance, we might act needlessly in an effort to eliminate a given carcinogen which, if the methods of quantifying risk existed, could prove less significant than a lifetime exposure from a package of cigarettes...