picogram
Noun
Meaning
picogram (plural picograms)
A unit of mass equal to 0.000 000 000 001 grams. Symbol: pg
Synonyms
Anagrams
Examples
A 1000 Bq/m 3 (relatively high) concentration corresponds to 0.17 picogram per cubic meter.
Atmospheric concentrations of PCBs tend to be lowest in rural areas, where they are typically in the picogram per cubic meter range, higher in suburban and urban areas, and highest in city centres, where they can reach 1 ng /m³ or more.