34,420 mg/L = 34.589 PSU
| mg/L | PSU |
|---|---|
| 34,405 mg/L | 34.574 |
| 34,410 mg/L | 34.579 |
| 34,415 mg/L | 34.584 |
| 34,420 | 34.589 |
| 34,425 mg/L | 34.594 |
| 34,430 mg/L | 34.599 |
| 34,435 mg/L | 34.604 |
34420 mg/L = 34.589 PSU
1 g/kg ≈ 1.0049 PSU · 1 mg/L ≈ 0.001 PSU · 1 ppm ≈ 0.001 PSU (dilute aqueous approximation)