(April 1, 2016, 10:47 AM EDT) -- ST. LOUIS — A federal judge in Missouri on March 28 granted Union Pacific Railroad Co.’s motion for certification to finalize a ruling awarding it summary judgment on claims brought by Asarco LLC seeking cost recovery and contribution under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) in order for Asarco to appeal the decision, but denied the railroad company’s motion for bill of costs (Asarco LLC v. NL Industries Inc., et al., No. 11-CV-864 JAR, E.D. Mo.; 2016 U.S. Dist. LEXIS 39859)....