(ppm)-the number of parts of a given pollutant in a million parts of air

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Definition of (ppm)-the number of parts of a given pollutant in a million parts of air in English English dictionary

Related Terms

(PPM)-the number of parts of a given pollutant in a million parts of air

parts per million

Hyphenation

(ppm)-the num-ber of parts of a giv-en pol-lu-tant in a mil-lion parts of A-ir