May 15, 2013
A Washington federal judge Wednesday upheld a decision by the U.S. Department of Health and Human Services to include styrene on a list of cancer-causing substances, rejecting a challenge by producers of the chemical.
June 14, 2011
The world's largest foam cup manufacturer and an industry group sued the U.S. Department of Health and Human Services in Washington on Friday, attacking the department's decision to include the chemical styrene on list of cancer-causing substances.