Asbestos problems were mentioned in 2011 in the Senate: http://safedesign.wordpress.com/2013/05/31/nbn-asbestos-raised-in-the-australian-senate-two-years-ago-m

Asbestos problems were mentioned in 2011 in the Senate: http://safedesign.wordpress.com/2013/05/31/nbn-asbestos-raised-in-the-australian-senate-two-years-ago-may-2011/ http://safedesign.wordpress.com/2013/05/31/nbn-asbestos-rais... Beyond that anyone who had looked at plans from the 1940s to 1970s would have known it was there: http://safedesign.wordpress.com/2013/05/31/nbn-asbestos-known-from-the-start/ http://safedesign.wordpress.com/2013/05/31/nbn-asbestos-know... Either the NBN people were completely incompetent, which is highly unlikely, or the Asbestos problem was raised much earlier internally, probably as soon as people became serious about the project.