Safety checklist — Asbestos / Decontamination

Asbestos removal and decontamination work. Compliant with Québec's Construction Safety Code (CSTC) and CNESST standards.

14 items

✓
Lab analysis confirming asbestos presence (expert report)Critical
ℹ️ RSST art. 69.1 — analysis mandatory before any work on suspected materials
✓
Risk level determined (low, moderate, high) — work plan adaptedCritical
ℹ️ RSST Appendix I — risk level determines required measures
✓
Workers trained for asbestos work (ASP Construction training)
✓
PPE worn: disposable Tyvek coverall, P100 respirator or PAPRCritical
ℹ️ Minimum P100 for moderate risk — supplied air for high risk
✓
Containment zone installed with polyethylene if moderate/high risk
✓
HEPA-filtered air extractor under negative pressure in containment
✓
3-stage decontamination chamber installed (dirty → shower → clean)
✓
'DANGER — ASBESTOS' signage posted at all entrances
✓
Materials kept continuously wet to suppress airborne fibers
✓
No rotary power tools (saw, grinder) — use hand tools or low speedCritical
ℹ️ Sawing/grinding generates extremely high fiber concentrations
✓
Debris placed directly in sealed bags labeled 'ASBESTOS'
✓
Continuous HEPA vacuum — never dry sweep
✓
Regular verification of negative pressure in containment zone
✓
No food or drink in work zone

5 items

✓
Full worker decontamination at chamber before exiting
✓
Disposable coverall removed inside out and bagged
✓
Final air analysis performed — level < 0.01 fiber/cm³ to clear zoneCritical
ℹ️ Zone not clearable until air analysis confirms compliance
✓
Asbestos waste bags transported to authorized landfill
✓
End-of-work report completed and submitted (asbestos registry)