PPM has various meanings in the Business & Finance category. Discover the full forms, definitions, and usage contexts of PPM in Business & Finance.
Parts per million is a value that represents the part of a whole number in units of 1/1000000. Parts per million is dimensionless quantity, a ratio of 2 quantities of the same unit. For example: mg/kg. One ppm is equal to 1/1000000 of the whole.
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