Glossary of Asbestos Terms

Common terms you'll encounter when dealing with asbestos surveys, registers, removal, and compliance in Australia and New Zealand.

ACM
Asbestos-containing material. Any material that contains asbestos fibres.
Amosite
Brown asbestos. One of the regulated asbestos types, commonly found in insulation and cement products.
Asbestos register
A document recording the location, type, and condition of all known or assumed ACMs in a building. Required for commercial buildings in AU under WHS regulations.
Asbestos management plan (AMP)
A plan outlining how identified ACMs will be managed, monitored, and maintained. Required alongside the register.
Chrysotile
White asbestos. The most commonly used form, found in roofing, walls, floors, and thousands of manufactured products.
Class A licence
AU licence required for removal of friable asbestos.
Class B licence
AU licence required for removal of non-friable (bonded) asbestos exceeding 10m².
Clearance certificate
Issued by a licensed assessor (independent of the removalist) confirming an area is safe for reoccupation after asbestos removal.
Crocidolite
Blue asbestos. The most hazardous form, commonly found in sprayed coatings, pipe insulation, and cement products.
Division 2 survey
Management survey. Identifies ACMs in accessible areas during normal occupancy.
Division 3 survey
Refurbishment or demolition survey. More invasive; required before any work that may disturb building fabric.
Duty holder
The person or entity responsible for managing asbestos risks in a workplace. Called PCBU in AU, duty holder in NZ.
Encapsulation
Sealing ACMs with a protective coating to prevent fibre release, as an alternative to removal.
Friable asbestos
ACM that can be crumbled, pulverised, or reduced to powder by hand pressure. Higher risk; requires Class A removal in AU.
HEPA filter
High Efficiency Particulate Air filter. Captures 99.97% of particles 0.3 microns and larger. Required on vacuums and air scrubbers during asbestos work.
In-situ management
Leaving ACMs in place and managing them through labelling, monitoring, and an asbestos management plan rather than removing them.
NATA
National Association of Testing Authorities (AU). Accredits laboratories for asbestos sample analysis.
Non-friable asbestos
ACM in which asbestos fibres are bonded in a solid matrix (e.g. fibre cement sheeting). Lower risk when undisturbed.
PCBU
Person Conducting a Business or Undertaking. The AU legal term for the entity with primary WHS duties.
Presumed ACM
Material assumed to contain asbestos until proven otherwise by laboratory analysis.
Restricted work (NZ)
Asbestos removal work in NZ that requires a WorkSafe-licensed removalist.
WHS
Work Health and Safety. The legislative framework governing workplace safety in AU.
WorkSafe
The WHS regulator in NZ and several AU states (e.g. WorkSafe Victoria, WorkSafe Queensland).