Mealey's (July 11, 2019, 1:19 PM EDT) -- HELENA, Mont. — Transporting vermiculate in the 1970s was not an abnormally dangerous activity for a railroad, and federal law preempts any claims arising from “small traces” of asbestos contamination, BNSF Railway Co. tells the Montana Supreme Court in a July 8 brief (BNSF Railway Co. v. The Asbestos Claims Court of the State of Montana, et al., Nos. OP 19-0085, Mont. Sup.)....