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Table 1 Total dust and endotoxin level during a normal day of hand picking coffee at a coffee factory; nine samples were taken (3 days of sampling), mean sampling time was a full work day for a hand picker, in our study 414 min (range 390–430)

From: Endotoxin, dust and exhaled nitrogen oxide among hand pickers of coffee; a cross-sectional study


Geometric mean (geometric standard deviation)


Total dust (mg/m3)

0.9 (0.5)


Endotoxin (EU/m3)

183 (119)