Title: EPA finalizes Libby asbestos health assessment On: 2014-12-09 Author: KBZK Bozeman NewsEPA finalizes Libby asbestos health assessmentKBZK Bozeman NewsThe asbestos air concentrations in Libby are now about 100,000 times lower than when mine and processing facilities were in operation, making the air quality in Libby similar to other Montana cities. The information will be used to identify how ...