EPA Delays Deregulating Popular Chemical Based On Cancer Risk Data

EPA air officials have postponed for now the planned deregulation of a widely used solvent because of recent data on what they say is a closely related chemical that raises cancer risk concerns. But a chemical industry source says the substances are different enough to merit separate risk evaluations. Sources say the information prompted EPA air officials to hold off on including methyl ethyl ketone (MEK) in a group of seven other air toxins that the agency delisted from regulatory...