Radio drama rose to the level of art with The Mercury Theatre on the Air, founded by Orson Welles and John Houseman.

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Tom Wolfe, in his book "The Right Stuff, " about the original Mercury astronauts, wanted to describe for readers just what level of devotion the newly named astronauts had received from the American people.

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"What we found for our 124 sharks that we sampled was that about one-third of them came in with mercury levels that were over the Food and Drug Administration's action level of one part per million, " said Hueter.

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These standards were called for by the Clean Air Act Amendments more than 20 years ago and level the playing field for the many utilities that have already invested in modern mercury pollution control technologies.

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