Table 4 Comparison of action/alert levels using immunomagnetic separation based method (IMS) and culture for Legionella spp
From: Comparing methods of determining Legionella spp. in complex water matrices
IMS method no. | ||||||
|---|---|---|---|---|---|---|
Action | Alert | Satisfactory | Total | |||
Legionellaspp | ≥10 4 CFU l −1 | ≥10 3 CFU l −1 | <10 3 CFU l −1 | |||
Culture no. | Action | ≥104 CFU l−1 | 0 | 0 | 0 | 0 |
Alert | ≥103 CFU l−1 | 0 | 2 | 1 | 3 | |
Satisfactory | <103 CFU l−1 | 1 | 2 | 59 | 62 | |
Total | 1 | 4 | 60 | 65 | ||