Word: betz
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Dates: during 1970-1979
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High Fever. The pollution-control industry is smaller than the big-dollar amounts might indicate. About 1,000 companies claim to be in the act, but only 200 to 300 have any real stake. Among them are Betz Laboratories, Re-search-Cottrell, American Air Filter, Sy-bron and Zurn Industries. Most anti-pollution equipment is neither new nor exotic. In air pollution, it consists largely of particle collectors for smoke stacks, fabric filters and electrostatic precipitators. Only 10% of the money spent on water and waste treatment goes into hardware; the rest is accounted for by labor, engineering and materials...