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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
- (PPM)-the number of parts of a given pollutant in a million parts of air
- parts per million
Related Terms
(ppm)-the number of parts of a given pollutant in a million parts of air
Hyphenation
(ppm)-the num-ber of parts of a giv-en pol-lu-tant in a mil-lion parts of A-irPronunciation
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