BNSF Railway says it didn't know about asbestos that's killed hundreds in Montana town

abcnews.go.com:

BNSF Railway attorneys are expected to argue before jurors that the railroad should not be held liable for the lung cancer deaths of two former residents of an asbestos-contaminated Montana town

HELENA, Mont. — BNSF Railway attorneys are expected to argue before jurors Friday that the railroad should not be held liable for the lung cancer deaths of two former residents of an asbestos-contaminated Montana town, one of the deadliest sites in the federal Superfund pollution program.

Attorneys for the Warren Buffett-owned company say the railroad's corporate predecessors didn't know the vermiculite it hauled over decades from a nearby mine was filled with hazardous microscopic asbestos fibers.

The case in federal civil court over the two deaths is the first of numerous lawsuits against the Texas-based railroad corporation to reach trial over its past operations in Libby, Montana. Current and former residents of the small town near the U.S.-Canada border want BNSF held accountable for its alleged role in asbestos exposure that health officials say has killed several hundred people and sickened thousands.

Looming over the proceedings is W.R. Grace & Co., a chemical company that operated a mountaintop vermiculite mine 7 miles (11 kilometers) outside of Libby until it was closed 1990. The Maryland-based company played a central role in Libby's tragedy and has paid significant settlements to victims.

U.S. District Court Judge Brian Morris has referred to the mining company as “the elephant in the room” in the BNSF trial. He reminded jurors several times that the case was about the railroad's conduct, not W.R. Grace's separate liability.

Federal prosecutors in 2005 indicted W. R. Grace and executives from the company on criminal