Mealey's (May 10, 2018, 11:25 AM EDT) -- TRENTON, N.J. — NL Industries Inc. on May 7 filed a supplemental brief in New Jersey federal court arguing that the court should deny environmental groups’ motion for reconsideration of its prior ruling that they failed to produce sufficient evidence to show that NL and other companies violated the Clean Water Act (CWA) when they discharged pollutants in levels that exceeded federal permits and contaminated local groundwater (Raritan Baykeeper, et al. v. NL Industries Ind., et al., No. 09-4117, D. N.J.)....