PPM

Parts Per Million. PPM is a way of describing how much “stuff” is in a liquid. For example, if you have tap water with a ppm of 200, that means 200 parts per million parts of that tap water is minerals and other stuff.

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Similar Terms

1. Parts per billion (PPB)
2. Micrograms per gram (µg/g)
3. Milligrams per kilogram (mg/kg)
4. Parts per trillion (PPT)
5. Parts per quadrillion (PPQ)