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Cal/OSHA advises protecting workers from wildfire smoke

Cal/OSHA issued an advisory urging California employers to protect workers from unhealthy air caused by wildfire smoke from the Springs and Crown fires in Riverside and Los Angeles counties. The advisory reminds employers of existing requirements under the Protection from Wildfire Smoke standard, including monitoring PM2.5 levels, adjusting work practices, and providing respirators. When PM2.5 AQI exceeds 150, respirators must be provided; above 500, respirator use is required.