Word: compound
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Dates: during 1980-1989
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...five years after it leaves the ground, N2O may finally reach altitudes of 15 miles and above, where it is broken apart by the same ultraviolet radiation that creates ozone. The resulting fragments -- called radicals -- attack and destroy more ozone molecules. Another ozone killer is methane, a carbon-hydrogen compound produced by microbes in swamps, rice paddies and the intestines of sheep, cattle and termites...
...getting a beauty treatment. Workers use a cutting and pointing process to cut out existing defective stone joints and replace them with new mortar, said Walter H. Packard, president of Chapman Waterproofing, which is in charge of the masonry work. Then workers use koppers bitumastic tank solution, a pitch compound, to repaint the bricks and restore their original appearance...
They thought that a compound like lovastatin might do the job. Working with Grundy and David Bilheimer, another UTHSCD researcher, they tried it in 1982 on six patients. Within a few weeks, blood-cholesterol levels had dropped from an average of 350 to 250. Furthermore, the drug actually boosted the amount of high-density lipoprotein (HDL), a natural substance that seems to scavenge excess cholesterol out of the bloodstream. "That study really opened people's eyes," recalls Grundy...
...Agency announced that Illinois-based Velsicol Chemical Corp., the sole manufacturer of the chemical cousins, had agreed to stop production. The company disputed that exposure to the pesticide, which has been linked to increased risk of cancer, is a health hazard. But Velsicol said it would stop making the compound, which under the brand name Termide is used in about 1 million U.S. homes each year, until the EPA is satisfied that it can safely be applied...
Most of the 1987 events have been bringing in $10,000 to $25,000. The son of Sen. Robert F. Kennedy has not planned any large events similar to last year's cookout at the Kennedy compound on Cape Cod that brought in some $75,000, McDermott said...