Pennsylvania steel mill asbestos

https://thecruciblesteelmidlandfocus.alderbrief.com/posts/asbestos-risks-at-crucible-steel-midland-what-workers-and-families-should-know

In Pennsylvania's steel mills, asbestos was once used for insulation and fireproofing, coating pipes and furnaces. Decades later, those who worked there remember the toxic dust floating in the air, a hidden hazard that now means serious health risks for many former workers and their families.