909 PSU = 904,567.6 mg/L
| PSU | mg/L |
|---|---|
| 894 PSU | 889,640.8 |
| 899 PSU | 894,616.4 |
| 904 PSU | 899,592 |
| 909 PSU | 904,567.6 |
| 914 PSU | 909,543.2 |
| 919 PSU | 914,518.9 |
| 924 PSU | 919,494.5 |
909 PSU = 904,567.6 mg/L
1 g/kg ≈ 1.0049 PSU · 1 mg/L ≈ 0.001 PSU · 1 ppm ≈ 0.001 PSU (dilute aqueous approximation)