Dieselcraft Fluid Engineering introduced its Fuel Test #W-1 to test for 200 ppm suspended water in diesel fuel, jet fuel, kerosene and gasoline. Dieselcraft Fluid Engineering has introduced its ...

The natural fluoride level in the city, state records show, is 0.13 ppm. Newnham said it cost the city $126,520 to equip the city’s three water plants for fluoridation and $80,000 a year to ...

Fluoride is added to public water supplies at an average concentration of about 1 part per million (1 ppm) or 1 milligram per liter, or slightly below. Naturally occurring fluoride concentrations ...