Word: epa
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Dates: during 1970-1979
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...Agriculture Department had sprayed Mirex from airplanes two or three times annually on infested areas. But in 1972 tests showed that when Mirex was washed into estuaries and bays, it killed shellfish. Experiments at the National Cancer Institute also indicated that it might cause cancer in humans. So the EPA cut the permissible number of aerial sprayings to only one a year and in 1973 began investigations-which are still continuing -to determine just how dangerous Mirex really might...
Johnson said that EPA estimates show that 7 per cent of the gasoline to go into an automobile is not burned, and is released into the atmosphere...
...Johnson, deputy regional administrator for the Environmental Protection Agency (EPA), said last night that the agency may require that traffic in Harvard Square be reduced if it finds that current anti-pollution measures are insufficient...
Johnson, speaking to the Society of Harvard Engineers and Scientists, said he expects that parking bans and anti-pollution devices on automobiles could lower pollution levels to EPA requirements...
Johnson said the current EPA regulation requiring employers to reduce employees' vehicle use was an effort to lower "photochemical oxidant levels by reducing the number of miles vehicles travel...