912 PSU = 907,553 ppm
| PSU | ppm |
|---|---|
| 897 PSU | 892,626.1 |
| 902 PSU | 897,601.8 |
| 907 PSU | 902,577.4 |
| 912 PSU | 907,553 |
| 917 PSU | 912,528.6 |
| 922 PSU | 917,504.2 |
| 927 PSU | 922,479.8 |
912 PSU = 907,553 ppm
1 g/kg ≈ 1.0049 PSU · 1 mg/L ≈ 0.001 PSU · 1 ppm ≈ 0.001 PSU (dilute aqueous approximation)