Defence Infrastructure Organisation health and safety
DE primary areas of health and safety Policy and Guidance Management of Asbestos Containing Materials ( ACM ) on the Defence Estate Asbestos is a naturally occurring mineral. It can be amphibole asbestos which includes crocidolite (blue) and amosite (brown) asbestos, or serpentine asbestos which is chrysotile (white) asbestos. These are the three main types used in Great Britain.