Chimney sweeps in Sweden: a questionnaire-based assessment of long-term changes in work conditions, and current eye and airway symptoms.

Chimney sweeping tasks and use of protective equipment as well as type of fuel used by the clients changed significantly over the last 35 years, which may have changed chimney sweeps' exposure to soot. Still, chimney sweeps in Sweden have black-soot-sweeping-related eye and airway symptoms.