Word: low-level
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...fact, Soviet scientists envision few of the problems that concern even pro-nuclear Americans. Most feel that their present system for handling low-level radioactive wastes provides ample protection. They are cooled off by storage in on-site "swimming pools" for three years, then shipped to a reprocessing plant where their radiation is reduced even further, and finally they are pumped into deep wells. The scientists also insist that their country's method of disposing of highly radioactive wastes, which are also stored underground, is adequate. They figure that Americans worry too much about waste...
...disposal of chemicals 16 years ago; Canadian environmental protection officials are currently investigating the construction industry's use of contaminated landfill from an abandoned uranium mine in Quebec, and have unveiled radioactive highways and beaches and backyard gardens. Scientists have discovered that long-term exposure to federally-rated "safe" low-level radiation has killed people living and working near nuclear power plants. These researchers have seen their money withdrawn and their findings have gone unpublished...
...another Justice Department official said the cases "in a so-called advanced stage of development" involved "relatively low-level" persons...
...hums. Some of this noise came from so-called radio galaxies that were all but invisible in the mirrors and lenses of ordinary optical telescopes. Other signals came from the distant and powerful quasars. At Bell Telephone Labs, scientists working on a new satellite communications system even "heard" a low-level microwave hiss that may be lingering radiation of the Big Bang...
...earliest researchers to express concern over microwaves was a New York ophthalmologist, Dr. Milton Zaret, who warned more than a decade ago that even low-level exposure could produce a peculiar type of cataract, or clouding, on the rear surface of the lens. (The lens is especially vulnerable to microwave "cooking" because it has no blood vessels to carry off heat.) In 1968 the Department of Health, Education and Welfare said that another organ was vulnerable as well: the testes, because only slight temperature changes can affect the sperm-producing process...