Weld mild steel
Weld on metal painted with chlorinated polyester paint
Weld or machine on beryllium-containing alloys
Work as a dental technician with long-term exposure to CoCrMo dusts
Work as cement floorer with exposure to chromate salts
Work continuously with wet hands
Work for railroad in 1960s or 1970s as engineer, fireman, conductor, brakeman, or hostler
Work in a medical or research laboratory handling pathogens
Work in building infested with rodent fleas or mites
Work in conditions of extreme atmospheric pressure
Work in confined space
Work in forest in endemic areas of Central and South America
Work in grease, oil, or tar soaked clothing
Work in indoor pool as lifeguard or swimming instructor
Work in microwave popcorn plant that uses diacetyl for flavoring
Work in mite infested area of Central, Eastern, or Southeast Asia
Work in mouths of patients
Work in potroom at aluminum smelter
Work in the mercury cell room in a chloralkali plant
Work in tick infested area
Work in tunnel construction for years with heavy exposure to NO2 (blasting & diesel exhaust)
Work or swim in contaminated water (percutaneous exposure)
Work with flock (dryers and baggers/cutters) or clean plant with compressed air
Work with glue solvents
Work with toxic chemicals that could be spilled or released
Work with vibrating hand tools
Worked for years as painter or varnisher exposed to solvents
Worked in foundry for years with heavy exposure to gases/fumes and mineral dust
Worked in pulp and paper mill for years with repeated heavy exposures to irritating gases
Worked in smelter for years with heavy exposures to sulfur dioxide and metal fumes