Friday, June 18, 2010
However, given the wide use of asbestos in the past, it was almost inevitable that unknown occurrences of asbestos would turn up. Such happened when removing the roof of the administrative wing and asbestos rich tar paper turned up beneath the wooden slats of the roof. This brings work to a halt while the discovery is sampled, its hazard analyzed, and a safe removal plan developed. Such matters take some time and demolition can be frustratingly halted --- but asbestos is a health hazard and so there is little choice. It was recognized as early as the first century AD that slaves weaving asbestos clothing in the Roman Empire often had a lung sickness (1).
Photos courtesy of Dinosaur National Monument
(1) “Asbestos” Wikipedia. http://en.wikipedia.org/wiki/Asbestos accessed 18 June 2010