Ppbv

Origin

From ppb.

{{abbreviation-old|en}}

abbreviation

(sciences) parts per billion by volume

CHAPTER 1. MEASURES OF ATMOSPHERIC COMPOSITION (Introduction to Atmospheric Chemistry, by Daniel J. Jacob, Princeton University Press, 1999.)

right now: 71° — mostly clear — 08:29:14 am — 68% humidity — wind: 10.5 mph — ozone: 25 ppbv — rain (24hrs): 0.00"

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