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Science Environmental Chem sections 1-3

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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

Author: Arul Gupta

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



Answer:

#18 Parts Per Million (PPM)


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