Table 6

Concentrations of α-amylase in area samples with values above the detection limit in the animal feed industry

Sampling area Concentration of α-amylase (ng/m3) Corresponding concentration of total dust (mg/m3)
Factory 1Loading of feed202.5
Factory 2Bagging901.7
Factory 3Next to enzyme doser500.6
Factory 3Next to enzyme doser301.1
Factory 3Process2007.8
Factory 3Process2004.5
Factory 4Bagging202.5
Factory 4Bagging (big sacks)7018