Also known by this age old wisdom: If it ain't broke, don't fix it. For another point of comparison: Asbestos has been banned in new construction in Japan for

Also known by this age old wisdom: If it ain't broke, don't fix it. For another point of comparison: Asbestos has been banned in new construction in Japan for a long time, but asbestos in old construction are all still there. They are only dealt with when the building is demolished, because the risk of just leaving it there is close to nil.