Asbestos-Containing Materials Identification Toolbox Talk

Asbestos was widely used in building materials because of its strength, insulation properties, and fire resistance. Although many newer buildings no longer contain asbestos, it may still be present in older facilities, equipment, and infrastructure. Workers should never assume a material is asbestos-free based on appearance alone. Suspect materials must be identified through building records, sampling, or laboratory analysis before work that could disturb them begins.

This toolbox talk reviews how to recognize potential asbestos-containing materials (ACMs), understand their limitations, and safely respond when asbestos is suspected.

Why This Matters

• Disturbing asbestos-containing materials can release hazardous airborne fibers.
• Inhalation of asbestos fibers can cause serious diseases, including asbestosis, lung cancer, and mesothelioma.
• Many asbestos-containing materials look similar to non-asbestos materials.
• Only proper identification can confirm whether a material contains asbestos.
• Recognizing suspect materials helps prevent accidental exposure.

Common Hazards

• Cutting, drilling, sanding, or demolishing suspect building materials.
• Damaging insulation, ceiling materials, flooring, or pipe coverings that may contain asbestos.
• Assuming older materials do not contain asbestos.
• Working without reviewing asbestos surveys or building records.
• Creating airborne dust from unidentified materials.
• Improper handling or disposal of asbestos-containing materials.
• Unauthorized removal or disturbance of suspect materials.
• Failing to report damaged asbestos-containing materials.

Safety Checklist

Before Work Begins

• Determine whether an asbestos survey or building assessment has been completed for the work area.
• Review available asbestos management plans, building records, or hazard information.
• Treat unknown or suspect materials as potentially containing asbestos until confirmed otherwise.
• Do not disturb suspect materials unless authorized procedures have been implemented.
• Ensure workers understand the locations of known or presumed asbestos-containing materials.
• Verify that only trained and authorized personnel perform asbestos-related work when required.

During Work

• Stop work immediately if previously unidentified suspect asbestos-containing material is discovered.
• Do not cut, drill, break, sand, scrape, or otherwise disturb suspect materials.
• Prevent unnecessary access to the affected area until it has been evaluated.
• Report damaged or deteriorated asbestos-containing materials immediately.
• Follow company procedures for hazard reporting and asbestos management.
• Resume work only after the material has been properly assessed and appropriate controls have been implemented.

Crew Talking Points

• Has the work area been evaluated for asbestos-containing materials?
• Where are known or presumed asbestos-containing materials located on this site?
• What should you do if you discover a suspect material during work?
• Who should be notified if asbestos is suspected?
• What activities could disturb asbestos-containing materials?
• Speak up immediately if you identify damaged or unidentified materials that could contain asbestos.

Stop Work If

• Suspect asbestos-containing material is discovered unexpectedly.
• Known asbestos-containing material has been damaged or disturbed.
• The required asbestos survey or hazard information is unavailable.
• Unauthorized work could disturb asbestos-containing materials.
• Required controls cannot be implemented.
• You are unsure whether a material contains asbestos.

Final Reminder

You cannot identify asbestos by appearance alone. Always review available asbestos information before starting work, treat unidentified materials as potentially hazardous until proven otherwise, and never disturb suspect asbestos-containing materials without proper authorization and controls. When in doubt, stop work and report the concern immediately.