Species of Cladosporium and Alternaria peaked in July (76%
and 36%) in both sawmills, but both entities had a higher
frequency outdoors (90% and 75%) and were not recovered
from samples taken in November-December. Other identified
fungal entities were not detected in more than one sampling
period and occurred in 2-27% of sawmills samples, and in
12-75% of all outdoor samples.
Total airborne dust concentration. Employers from both
sawmills provided data obtained during obligatory checking
of working conditions within the sawmills, performed by
licensed firms for protection at work. In both sawmills, the
total airborne dust concentrations were below 1 mg/m3