Monitoring of dust and endotoxins
During these visits, the following measurements were
also performed. Suspended fine dust was measured with
two instruments. The Grimm Portable Aerosol
Spectrometer 1108 (Grimm Aerosol Technik, Germany)
counts airborne particles in 16 size channels using laser
scatter technology. From these data particle masses in
standardised size ranges were calculated (environmental
standards: PM2.5 and PM10, occupational standards:
inhalable, thoracic and alveolic). Real-t