951 PSU = 946,362.8 ppm
| PSU | ppm |
|---|---|
| 936 PSU | 931,436 |
| 941 PSU | 936,411.6 |
| 946 PSU | 941,387.2 |
| 951 PSU | 946,362.8 |
| 956 PSU | 951,338.4 |
| 961 PSU | 956,314.1 |
| 966 PSU | 961,289.7 |
951 PSU = 946,362.8 ppm
1 g/kg ≈ 1.0049 PSU · 1 mg/L ≈ 0.001 PSU · 1 ppm ≈ 0.001 PSU (dilute aqueous approximation)