(August 11, 2016, 1:44 PM EDT) -- TRENTON, N.J. — Environmental groups that have sued NL Industries Inc. alleging lead contamination filed a brief in New Jersey federal court on Aug. 9, contending that when the district court granted summary judgment dismissal to some of the defendants, it made “clear legal and factual errors that warrant reconsideration” (Raritan Baykeeper Inc., et al. v. NL Industries Inc., et al., No. 09-4117, D. N.J.)....