To Convert:                 Into:                        Multiply By:
 ─────────────────────────── ──────────────────────────── ──────────────────
 parts/million               grains/gallon (British)      0.07015488
 parts/million               grains/gallon (US)           0.05841620
 parts/million               grams/liter                  0.001
 parts/million               milligrams/liter             1.0
 parts/million               pounds/million gallons       8.345