Table 2.
Accuracy at the limits of quantification (LOQ) and upper limit of linearity (ULoL) and linearity (R2) for PFAS in serum (n = 5)
| Analyte | LOQ/ULoL | Target Conc. (ng/mL) | Mean (ng/mL) | %CV | % Deviation | R2 |
|---|---|---|---|---|---|---|
| PFHxS | LOQ | 0.05 | 0.048 | 4.00% | 97% | 0.9999 |
| ULoL | 25 | 25.240 | 3.05% | 101% | ||
| Linear PFOS | LOQ | 0.05 | 0.048 | 1.06% | 97% | 0.9999 |
| ULoL | 25 | 25.730 | 3.80% | 103% | ||
| br PFOS-P5 | LOQ | 0.024 | 0.024 | 3.52% | 98% | 0.9999 |
| ULoL | 12.22 | 12.280 | 4.08% | 101% | ||
| br PFOS-P6 | LOQ | 0.05 | 0.049 | 4.77% | 98% | 0.9999 |
| ULoL | 25 | 26.094 | 7.42% | 104% | ||
| Linear PFOA | LOQ | 0.05 | 0.048 | 2.18% | 95% | 0.9999 |
| ULoL | 25 | 24.549 | 5.59% | 98% | ||
| br PFOA-P5 | LOQ | 0.05 | 0.047 | 3.67% | 95% | 0.9999 |
| ULoL | 25 | 24.894 | 5.64% | 100% | ||
| PFNA | LOQ | 0.05 | 0.050 | 1.35% | 100% | 0.9999 |
| ULoL | 25 | 25.591 | 5.27% | 102% | ||
| MeFOSAA | LOQ | 0.05 | 0.049 | 1.39% | 98% | 0.9999 |
| ULoL | 25 | 25.754 | 3.99% | 103% | ||
| PFDA | LOQ | 0.05 | 0.049 | 4.44% | 98% | 0.9999 |
| ULoL | 25 | 25.022 | 5.85% | 100% | ||
| PFUnDA | LOQ | 0.05 | 0.044 | 7.98% | 88% | 0.9986 |
| ULoL | 25 | 26.214 | 7.98% | 105% |