Word: vinyl
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Dates: during 1970-1979
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...windy December 21 afternoon, high winds ripped one corner of Harvard's 5-year-old temporary track bubble and within two minutes the vinyl-coated nylon, air-supported structure had completely collapsed...
...Though it is a small fair by New York or Montreal standards, Spokane's Expo has a number of imaginatively designed pavilions. The $11.5 million U.S. pavilion dominates the site. Its theme: "Earth does not be long to man; man belongs to the earth." Umbrellaed by a translucent vinyl canopy that would cover nearly two football fields but does not touch the ground, the pavilion inside has an al fresco feeling and a cinema with the largest screen in the world (nine stories wide, six stories high). It features a film on U.S. ecology that opens with a soaring...
Asbestos is used in thousands of everyday products, and roughly a hundred new ones appear on the market each year. Pot holders, ironing board covers, draperies, rugs, movie screens, electrical tape, automobile brake linings, vinyl floor tiles and metal alloys contain asbestos, as do a whole host of plastic articles ranging from frying pan handles to playdough. The asbestos-cement industry is a principal user, employing asbestos in the fabrication of shingles, insulation and plastic board, pipes, roadways, sidewalks, asphalt and almost every other fireproof or high-friction cement product. No satisfactory substitute has yet been discovered...
...taken to reduce the sort of community exposure that, in its extreme form, began to occur twenty years ago in Johannesburg. Asbestos exposures at Harvard, for example, are no less severe than in other urban communities. A substantial occupational danger exists where University-employed workers sand down old vinyl and asbestos floor tiles to make a flat surface on which to lay new ones. Pipe insulation installers become covered with crumbling asbestos sealants while working in the steam tunnels that connect Harvard buildings. The incessant swirl of stop-and-go traffic around Cambridge exposes us all to fibers ground...
Evidence of vinyl chloride's toxicity has been around for years. Production of polyvinyl chloride (PVC) was begun in 1938 by B.F. Goodrich Co. That year experiments showed that the vinyl chloride gas used at the plant was dangerous to animals. A 1949 Russian study showed that vinyl chloride (VC) caused nonmalignant liver damage in 15 of 48 workers exposed to the chemical; surveys in other European countries over the next decade and a half confirmed the connection. In 1966 and 1967 British scientists examining PVC workers reported a high incidence of acro-osteolysis, a condition partially characterized...