Sampled water | Samples (n.) | Item (n.) | Possible detection (n.) | Positive detection (n.) | Efficiency* (%) |
Run-on | 10 | 4 spinosyns | 40 | 40 | 100 |
Run-on | 10 | 1 KBr | 10 | 10 | 100 |
Runoff | 15 | 4 spinosyns | 60 | 60 | 100 |
Runoff | 9 | 1 KBr | 9 | 9 | 100 |