| Sample | Surfactant | Dose | Total | Origin |
| 0 |
|
|
| Pool |
| 1 |
|
|
| Collector |
| 2 | MIBC | 0.014 mg/l | 1 ml | Collector |
| 3 | MIBC | 0.028 mg/l | 2 ml | Collector |
| 4 | Tween 20 | 0.007 mg/l | 0.5 ml | Collector |
| 5 | Tween 20 | 0.014 mg/l | 1 ml | Collector |
| 6 | Casein | 1 mg/l | 70 mg | Collector |
| 7 | MIBC | 0.014 mg/l | 1 ml | Collector |
| 8 | MIBC | 0.014 mg/l | 1 ml | Pool |
| 9 | Tween 20 | 0.007 mg/l | 0.5 ml | Collector |
| 10 | Tween 20 | 0.007 mg/l | 0.5 ml | Pool |
| 11 | Casein | 5 mg/l | 350 mg | Pool |
| 12 | Casein | 5 mg/l | 350 mg | Collector |
| 13 | Casein | 1 mg/l | 70 mg | Collector |
| 14 | Casein | 1 mg/l | 70 mg | Pool |
| 15 | Casein + MIBC | 1 mg/l + 0.014 ml/l | 70 mg + 1 ml | Collector |
| 16 | Casein + Tween 20 | 1 mg/l + 0.007 ml/l | 70 mg + 0.5 ml | Collector |