1,520 ppm to PSU

1,520 ppm = 1.527 PSU

ppmPSU
1,505 ppm1.512
1,510 ppm1.517
1,515 ppm1.522
1,5201.527
1,525 ppm1.532
1,530 ppm1.537
1,535 ppm1.543

1520 ppm = 1.527 PSU

Formula

1 g/kg ≈ 1.0049 PSU · 1 mg/L ≈ 0.001 PSU · 1 ppm ≈ 0.001 PSU (dilute aqueous approximation)