Asbestos: Regulated Materials
“Regulated Asbestos-Containing Material” (RACM) is:
Friable asbestos material;
Category I non-friable ACM that has become friable
Category I non-friable ACM that will be, or has been, subjected to sanding, grinding, cutting or abrading
Category II non-friable ACM that has a high probability of becoming or has become crumbled, pulverized, or reduced to powder by the forces expected to act on the material in the course of demolition or renovation operations.