Airborne samples were collected as part
of a comparison of the
Bi-Air® cassette with the Air-O-Cell cassette.
Four consecutive
side-by-side samples were collected. The concentrations
(spores/m3) have been compared for total airborne fungal
spores and
Cladosporium sporesfor each type of cassette.
Comparison
of Total Airborne Fungal Spore Concentrations
Sample
Air-O-Cell™
Bi-Air®
Ratio
1
493
1,409
2.9
2
616
1,899
3.1
3
431
490
1.1
4
185
980
5.3
AVERAGE
431
1195
3.1
Comparison
of Cladosporium Concentrations
Sample
Air-O-Cell™
Bi-Air®
Ratio
1
246
797
3.2
2
246
674
2.7
3
185
184
1.0
4
123
674
5.5
AVERAGE
200
582
3.1
The median concentrations, and the upper (UCL) and
lower
(LCL) 95% confidence limits for the median concentrations,
were also calculated for the above data.
Cassette
Spore Type
LCL
Median
UCL
Air-O-Cell™
Total
191
395
814
Bi-Air®
Total
476
1065
2,380
Cassette
Spore Type
LCL
Median
UCL
Air-O-Cell™
Cladosporium
123
193
303
Bi-Air®
Cladosporium
199
508
1,299
The data were also used to compare the distribution
of fungal spores between the two slits of the Bi-Air® cassette
for the four samples.