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ppb
1or p.p.b.
- (in publishing) paper, printing, and binding.
- parts per billion.
PPB
2or P.P.B.
- (in publishing) paper, printing, and binding.
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Example Sentences
So long as detected levels of carbendazim are low enough, in the range of 10 to 35 ppb, they can stay for sale.
From The Daily Beast
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