Table 2.
Dialysis material extraction and sorption results.
| Material Extracts | PFBA | PFHxA | PFHpA | PFOA | PFNA | PFBS | PFHxS | PFOS | Surrogate Recovery |
|---|---|---|---|---|---|---|---|---|---|
| Collection tube | <LOD | <LOD | <LOD | <LOD | <LOD | <LOD | <LOD | <LOD | 89% |
| Recover tube | <LOD | <LOD | <LOD | <LOD | <LOD | <LOD | <LOD | <LOD | 90% |
| Dialysis membrane | <LOD | <LOD | <LOD | <LOD | <LOD | <LOD | <LOD | <LOD | 89% |
| Dialysis cap | <LOD | <LOD | <LOD | <LOD | <LOD | <LOD | <LOD | <LOD | 91% |
| Sorption to Materials | |||||||||
| 2000 ng/L Spike 1 | 5700 | 2700 | 3200 | 3300 | 2600 | 2600 | 2030 | 2700 | |
| 2000 ng/L Spike 2 | 2500 | 1500 | 2100 | 2600 | 1900 | 1700 | 2600 | 2400 | |
| % Recovery 1 | 285% | 135% | 160% | 165% | 130% | 130% | 101% | 135% | |
| % Recovery 2 | 125% | 75% | 105% | 130% | 95% | 85% | 130% | 120% |