The last of these compounds shows an amazing property when hydrated ... However, the presence of both toxic lead and hexavalent chromium of Erin Brockovitch fame has led to it being largely replaced ...

Northrop Grumman's "data gap sampling plan" goes beyond the requirements of the 2013 agreement, the DEC acknowledged in its ...

(The Hill) — Wildfires in parts of the U.S. West may be transforming a benign form of chromium into its cancer-causing counterpart — potentially endangering first responders and surrounding ...