Fig. 10.29(a,b) The Burkard continuous monitoring sampler in assembled form (a) showing the air intake orifice, arrow-
head and (b) showing the reel covered with adhesive tape (double arrowhead) on which the spores are trapped.
(a) (b)Fig. 10.30(a) The Anderson spore sampler in assembled form, and (b) three of the metal disks with perforations in
their bases. (cāe) Examples of colonies from agar plates at different levels in an Anderson sampler.
(a) (b)(c) (d) (e)