Table 3.
Limits of detection (LOD) and quantification (ng/mL) (LOQ) for each of the six retested APIs in Phase 2 simulation in liquid effluent, sludge, ashpot solids, and the air emission
| API | Liquid effluent | Sludge | Ashpot | Air | ||||
|---|---|---|---|---|---|---|---|---|
| LOD (ng/mL) | LOQ (ng/mL) | LOD (ng/mL) | LOQ (ng/mL) | LOD (ng/mL) | LOQ (ng/mL) | LOD (ng/mL) | LOQ (ng/mL) | |
| 5-Fluorouracil | 35.3 | 117.6 | 188.2 | 627.3 | 188.2 | 627.3 | 313.6 | 1045.5 |
| Atenolol | 2.6 | 8.6 | 1.0 | 3.4 | 0.9 | 2.9 | 1.7 | 5.7 |
| Estradiol | 12.6 | 42.1 | 7.8 | 26.1 | 15.7 | 52.2 | 18.3 | 60.9 |
| Ethinylestradiol | 63.2 | 210.5 | 35.5 | 117.6 | 70.6 | 235.3 | 84.7 | 282.4 |
| Ibuprofen | 180.0 | 600.0 | 120.0 | 400.0 | 150.0 | 500.0 | 300.0 | 1000.0 |
| Ketoprofen | 540.0 | 1800.0 | 144.0 | 480.0 | 160.0 | 533.3 | 32.0 | 106.7 |