Table 4.
Comparison of commercially available filter air samplers
| Sampler | Description | References | Flow Rate (L min−1) | Collection Efficiency d50 (µm)* | Sample period | Compatible with analysis method |
||
|---|---|---|---|---|---|---|---|---|
| Culture | Microscope | Biosensor/Molecular | ||||||
| IOM http://www.skcltd.com/index.php/air-sampling-pumps/9-uncategorised/457-iom-part-numbers-and-accessories-3 | Filter (25-mm membrane or fibrous filter) | Aizenberg et al. (2000) | 2 | 4 | Yes (plating needed) | Yes (SEM and light mic possible) | Yes – requires processing steps | |
| Button http://www.skcltd.com/index.php/air-sampling-pumps/9-uncategorised/204-button-sampler | Filter (25-mm membrane or fibrous filter) | Aizenberg et al. (2000) | 4 | 4 | Yes (plating needed) | Yes (SEM and light mic possible) | Yes – requires processing steps | |
| DFU 1000 | Dual dry filter unit (1 µm polyester filters) | Rosati & Drake-Richman (2009) | 850 | <1 | continuous | Yes (plating needed) | Yes (processing steps needed) | Yes – compatible with hand held assays |
*
d50 is the aerodynamic diameter or size of particles above which 50% or more are collected and below which, less than 50% are collected.