July 29th, 2014, 03:39
Considering when the WTC was built in the early 1960's, I bet there were at least tons of asbestos dust floating in the air. Here, back then, it was used everywhere as a regular building material, used both as an insulating agent and on roofs, no one knew at the time what kind of a health hazard it posed.
Not only it was used in private buildings, it was also used in public buildings, schools, hospitals, all kind of industrial buildings and infrastructures, all of modern cowsheds built during those years were roofed with it. It was regarded as a cheap, almost eternal material. A common name brand here for large roofing panels back then, made out of asbestos, was "Eternit"..... imagine how lightly it was taken!
Reclamation and cleanup of asbestos is still going on to date here, it...