Excerpt
JEFFREY BROWN (Newshour): And now to part two of our investigative look at the safety of America's drinking water.
Science correspondent Miles O'Brien reports on the toxic chemical made famous in the movie "Erin Brockovich," its potentially harmful effect on human cells, and the agency charged with regulating it.
His report is the result of a partnership with the Center for Public Integrity.
AMIE HOLMES, University of Southern Maine: There is some lead chromate in here and some zinc chromate.
MILES O’BRIEN: At the Wise Laboratory at the University of Southern Maine, they are very wise indeed about a widely used heavy metal that gives millions of Americans shiny bumpers, vivid paint, and, possibly, cancer. It is hexavalent chromium, or chromium 6.
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