ppbv

(initialism) . parts per billion volume[http://acmg.seas.harvard.edu/people/faculty/djj/book/bookchap1.html CHAPTER 1. MEASURES OF ATMOSPHERIC COMPOSITION] ([http://acmg.seas.harvard.edu/people/faculty/djj/book/ Introduction to Atmospheric Chemistry, by Daniel J. Jacob, Princeton University Press, 1999.]).

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This entry was last updated on RefTopia from its source on 3/20/2012.