Inhale algae in algae preparation (pharmacist) or sea water (thalassotherapist)
Inhale aspergillus in bakery, beet sugar refinery, or biotechnology plant
Inhale bioaerosols in the home, school, or office environment
Inhale bioaerosols of moldy compost
Inhale bioaerosols of moldy hay, silage, straw, or grain
Inhale dust in livestock confinement building
Inhale insect allergens in fish food or fish bait
Inhale insect allergens in the laboratory
Inhale mists of contaminated water from plastics injection molding
Inhale mists of microbially contaminated, water-based metalworking fluids
Inhale mite allergens while farming or handling flour or grain
Inhale moldy wood dust
Inhale or handle nitrogen compounds that can induce methemoglobinemia
Inhale petroleum vapors containing benzene
Inhale pollen from cauliflower or broccoli plants (horticulturist)
Inhale Rhizopus nigricans in a coal mine
Installed insulation before 1975