TABLE 3.
Concentrations of total airborne fungal spores during disturbance sampling within AHUs before and after installation of germicidal UV lamps
| Fungal taxon isolated | Concn (103 spores/m3)
|
|||
|---|---|---|---|---|
| Study floora
|
Control floor
|
|||
| Mayb | September | Mayb | September | |
| Alternaria | 0.04 (0.03)c | |||
| Cladosporium | 29.54 (8.75) | 5.43 (3.35)d | 19.00 (14.16) | 68.42 (30.91)d |
| Penicillium- Aspergillus | 27.49 (20.92) | 6.69 (2.09)d | 5.63 (2.55) | 185.56 (52.51)d |
| Ascospores | 0.01 (0.01) | 0.01 (0.01) | 0.03 (0.01) | |
| Basidiospores | 0.12 (0.06) | 0.04 (0.02) | 0.05 (0.03) | 0.06 (0.04) |
| Smuts | 0.03 (0.01) | 0.01 (0.01) | 0.04 (0.02) | |
| Other | 0.70 (0.25) | 0.24 (0.06) | 0.47 (0.2) | 1.46 (1.09) |
| Total | 57.92 (25.09) | 12.41 (4.47)d | 25.19 (16.73) | 255.54 (82.27)d |
a
UV lamps were used only on the study floor.
b
May concentrations were measured before the UV lamps were turned on.
c
Mean (standard error).
d
Concentrations on the control floor and the study floor were significantly different after the use of germicidal UV lamps (P < 0.05).