Table 1.

Average sampling time (minutes) and numbers of samples (n) using GSP inhalable dust samplers for personal sampling and Millipore ‘total dust’ samplers for stationary sampling

Nursery	Crop	Personal samplings			Stationary samplings
		Summer harvest	Autumn harvest	Clearing of plants	Summer harvest	Autumn harvest	Clearing of plants	Packing department	Potting machine	Outdoor reference
A	Cucumber	353 (n = 9)	352 (n = 4)	167 (n = 8)	250 (n = 3)	191 (n = 3)	255 (n = 2)	340 (n = 1)	(n = 0)	229 (n = 3)
B	Cucumber	339 (n = 7)	(n = 0)	276 (n = 7)	298 (n = 2)	(n = 0)	293 (n = 1)	145 (n = 1)	293 (n = 1)	265 (n = 2)
C	Tomato	411 (n = 6)	(n = 0)	275 (n = 9)	409 (n = 4)	(n = 0)	181 (n = 4)	(n = 0)	(n = 0)	228 (n = 2)
D	Tomato	362 (n = 9)	(n = 0)	277 (n = 10)	353 (n = 4)	(n = 0)	209 (n = 4)	(n = 0)	(n = 0)	292 (n = 2)