AHERA Asbestos Worker case studies
AHERA Asbestos Worker · Put your knowledge to work in context.
The AHERA Asbestos Worker credential is the federal-model training qualification that allows a person to perform asbestos abatement - removing, encapsulating, or enclosing asbestos-containing material - on projects covered by the Asbestos Hazard Emergency Response Act and comparable state programs. It is intended for abatement laborers, hazardous-materials technicians, and demolition or renovation crew members who work inside regulated work areas under supervision. The AHERA Asbestos Worker case studies are 5 cases and about 2,189 words.
1Cracked Filter Housing on a Half-Mask During Pipe Wrap Removal
A three-person crew is removing dry, friable pipe-wrap insulation from a mechanical room. The supervisor has assigned half-mask air-purifying respirators with P100 filters and has not yet run any air samples.
481 words, about 2 min2Clearance Sample Count on a Small Bathroom Abatement
A contractor has completed removal of friable ceiling texture from a 6 ft × 8 ft bathroom in an occupied apartment building. The containment is a single small room with one entry.
466 words, about 2 min3Bag Rupture While Carrying Debris Through a Occupied Corridor
A worker is carrying a sealed 6-mil polyethylene debris bag containing wet-removed friable insulation from a third-floor containment to a dumpster. The bag was double-bagged and goosenecked, but on the stairwell landing the outer bag tears on a exposed metal edge, spilling a fist-sized clump of wet material onto the floor.
437 words, about 2 min4Negative Pressure Reading Drifting During a Long Removal Shift
A crew is removing asbestos-containing floor tile and mastic from a 40 ft × 60 ft room using wet methods and manual scrapers. The containment has a HEPA negative air machine with a manometer at the entry.
406 words, about 2 min5Worker Reports Shortness of Breath and a New Cough Mid-Project
A 52-year-old abatement worker with 14 years in the trade mentions to the supervisor that over the past three weeks he has had a persistent dry cough and gets short of breath climbing the scaffold, which he never noticed before. He is a smoker and says it is probably "just a cold." He has had no medical surveillance since he was hired years ago, and the employer has no written respiratory protection program on file.
399 words, about 2 min