The U.S. Court of Appeals for the District of Columbia Circuit has largely upheld EPA’s rule for handling confidential business information (CBI) under TSCA, rejecting environmentalists’ broad claims that the law shields far too much data from disclosure while vacating a much narrower set of provisions that industry groups targeted. In its Dec. 20 decision , a unanimous three-judge D.C. Circuit panel in Environmental Defense Fund (EDF), et al., v. EPA, et al. , says language in the rule that...