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.