The regulations also extended the existing prohibition on the supply and use of products containing amphibole asbestos to those containing chrysotile.
Last year HSC carried out a widespread consultation on proposals to ban chrysotile.
Even published studies are now agreeing that in the pleura they find more chrysotile, mainly short fibers, than other types of asbestos.
The unresolved case of Canadian chrysotile is bound to cast a specter over the economic free-for-all.
At the last meeting, David Bernstein told a skeptical audience that " pure chrysotile is rapidly cleared from the lung.