Science Environmental Chem sections 1-3: A way of expressing very dilute concentrations of substances. Usually describes the concentration of something in water or soil. One ppm is equivalent to 1 milligram of something per litre of water (mg/l) or 1 milligram of something per kilogram soil (mg/kg).

Par·t·s Per Mil·lion
Related Words: Concentration

Question

A way of expressing very dilute concentrations of substances. Usually describes the concentration of something in water or soil. One ppm is equivalent to 1 milligram of something per litre of water (mg/l) or 1 milligram of something per kilogram soil (mg/kg).

Par·t·s Per Mil·lion
Related Words: Concentration

Arul Gupta · Accepted Answer

#18 Parts Per Million (PPM)

Science Environmental Chem sections 1-3

#18 Parts Per Million (PPM)

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