The NIOSH/WHO occupational-respiratory literature identifies moldy redwood sawdust as the exposure associated with sequoiosis, a hypersensitivity pneumonitis condition.
Source: WHO/NIOSH: WHO/NIOSH monograph on occupational respiratory diseases — redwood sawdust ↗Dust entry
Moldy redwood sawdust
Wood dust generated during redwood processing when the material is contaminated with mold.
Airborne form
dust
The form describes what is suspended in air at the point of exposure. A material can produce more than one form, such as dust during handling and fume during heating.
Health effects
sequoiosishypersensitivity pneumonitisinterstitial pneumonitisrespiratory symptoms
Evidence
Controls
- mold control
- enclosed sawing
- local exhaust ventilation
- dust collection
- exposure monitoring
- appropriate respiratory protection