First evaluation of the Clean Water Act’s effects on coastal waters in California reveals major successes

ScienceDaily: Oceanography News


First evaluation of the Clean Water Act’s effects on coastal waters in California reveals major successes

Posted: 26 Apr 2012 10:49 AM PDT

Levels of copper, cadmium, lead and other metals in Southern California’s coastal waters have plummeted over the past four decades, which researchers attribute to sewage treatment regulations that were part of the Clean Water Act of 1972 and to the phase-out of leaded gasoline in the 1970s and 1980s.
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