Word: acidic
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Dates: during 1990-1999
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Since such a shift did not occur, "we now see decay products of sulfur dioxide that move into acid rain" instead of direct sulfur dioxide pollution, Dockery said...
...result, the 24-Cities study was initiated to look into acid aerosols that stay suspended in the air and are "very toxic," said Dockery...
...study, started in 1987 while the Harvard team was still collecting data for the Six-Cities study, "was designed to monitor the air a year before we went to examine the children," said Speizer. This way, he said, the researchers could determine whether the levels of acid aerosols had any health effects...
Speizer emphasized that the cities involved "are not representative of the nation as a whole." The cities were picked because researchers had already suspected that they "would have high acid values," said Speizer...
...contaminated cargo originated in 1989 when a train carrying acrylic acid and other chemicals derailed in Freeland, Mich. CSX Transportation of Jacksonville, Fla., cleaned up the mess and sent it to be landfilled. But members of Greenpeace and other environmental groups bird-dogged the train, and some protesters even chained themselves to it. Two weeks ago, South Carolina fined CSX $21,975 because the train was leaking what appeared to be a toxic liquid. Meanwhile the controversy has scared off four landfill operators so far. Last week the train rolled out of Sumter, S.C., like a rail-bound Flying Dutchman...