3 ms·

Some of the levels studied (mg/L) -- .88, 1.8, 2.97, 1.81-2.69, 4.12, 2.0, 3.15, 2.9, 2.97, .57-4.5, 2.5, 1.24-2.34, 2.47, 2.38

• nitrogen 11y ago
  What are the levels used in US municipal fluoridation?
  • x5n1 11y ago
    between .7-1.2 mg now it's going down to .7 mg.