Air Act amendments break new ground

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      <subfield code="a">Air Act amendments break new ground</subfield>
      <subfield code="c">by Bud Ward</subfield>
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      <subfield code="a">This is the second in a series of continuing analyses of major new provisions of the 1990 clean air Act amendments. This paper contains: perfection: the enemy of good; new air toxics provisions; residual risk analysis; the bhopal legacy; a sweeping approach</subfield>
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      <subfield code="g">Vol. 143, nº 3, March 1991 ; p. 35-38</subfield>
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