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40 years later, EPA fighting to prove its worth

Now, the need for oversight is often challenged

WASHINGTON - A polluted drainage ditch that once flowed with industrial waste from Lake Charles, La., petrochemical plants now teems with overgrown, wild plants.

A light-rail line zips past the spot where a now-defunct Portland, Ore., gasoline station advertised in 1972 that it had run out of gas.

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