| Series Number | Sample ID | Concentration µg/mL |
| 1 | LOQ Solution | 1 |
| 2 | 50% of linearity level | 2.5 |
| 3 | 100% of linearity level | 5 |
| 4 | 150% of linearity level | 7.5 |
| 5 | 200% of linearity level | 10 |
| 6 | 300% of linearity level | 15 |