Word: hazardous
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Dates: during 1970-1979
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...Island Sound for Massachusetts or Maine is in violation of the law for the first few miles if he has an overboard flushing system. Yet he cannot cruise far beyond the Sound unless he has such a system. Meantime, critics say, his holding tank fills up and poses another hazard: the possibility of explosion from gases generated by sewage...
...Francisco's street people have apparently turned polluters. Roche, who is head of his department's legal-affairs office, contends that hundreds of youths, squatting in buses, trucks, campers and cars, are littering city streets with garbage and human wastes. Worried about the growing health hazard, the San Francisco board of supervisors has voted to ban such motorized camp-ins from city streets between the hours of 10 p.m. and 6 a.m. If the mayor signs the ban into law, as is expected, anyone caught living in vehicles parked on city streets between those hours may be fined...
...reach the solar system's largest planet, a flight that could take two years or more. Pioneer F will have to survive a hazard never before encountered by a spacecraft: it will have to pass through the asteroid belt, which consists of some 50,000 asteroids that circle the sun between the orbits of Mars and Jupiter. If Pioneer runs the rocky gauntlet successfully, the way will be cleared for further explorations of the outer planets by unmanned spacecraft making Grand Tours* later in the decade, as well as future flights by man himself. A serious accident...
...time. Such materials may accumulate to 1000 times the radioactivity of one Hiroshima-sized bomb. Although a reactor cannot sustain a nuclear explosion, the presence of many hundreds of tons of material which is one billion times more toxic than any known industrial substance is an unparalleled hazard, especially during fuel replacement. Such replacement is an extraordinarily delicate operation and, in the case of Con Edison's Indian Point ?I plant at Buchanan, N. Y., took six weeks during which 40 of the 120 fuel elements were removed, each weighing nearly four tons...
Even worse, though, the plant is not equipped to trap any gas released during reprocessing and over 30,000 curies of gaseous radioactive krypton (K85) are released every month. One curie, fully absorbed, is fatal. With prevailing winds from the west a serious hazard is posed for Buffalo 30 miles to the northeast and for Vermont, which thought its problems had ended when the wastes first left the state...