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| samples | silane loading (%) | total PFOS/PFOA (ppt) | PFOS (ppt) | PFOA (ppt) | pressure drop (psi) |
|---|---|---|---|---|---|
| challenge water | N/A | 1250 | 860 | 390 | |
| 4603 control | 0 | 239 | 29 | 210 | 1.0 |
| F13 on 4603 | 1.0 | 96 | <MRLa | 96 | 1.2 |
| F17 on 4603 | 0.1 | 86 | 1 | 85 | 1.3 |
| F17 on 4603 | 0.5 | 16 | <MRLa | 16 | 2.9 |
| F17 on 4603 | 1.0 | 3 | 1 | 2 | 4.6 |
| GAC on 4603 | 0 | 167 | 47 | 120 | 0.6 |
MRL: minimum reporting level.
