PPB definitions

Ppb

1) Parts per billion
Found on https://www.crosswordclues.com/clue/ppb

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PPB

Parts per billion (1 x 10-9)
Found on http://www.bocindustrial.co.uk/bocindustrial/technical/glossary/p.html

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ppb

<abbreviation> Parts per billion. ... (05 Mar 2000) ...
Found on http://www.encyclo.co.uk/local/20973

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ppb

Parts per billion (parts in 109 parts) e.g. the number of parts of active ingredient per billion parts of the substance in question.
Found on http://www.encyclo.co.uk/visitor-contributions.php

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ppb

Type: Abbreviation Definitions: 1. Abbreviation for parts per billion.
Found on http://www.medilexicon.com/medicaldictionary.php?t=71652

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ppb

See parts per billion.
Found on http://www.physicalgeography.net/physgeoglos/p.html

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ppb

acronym: parts per billion (109)
Found on https://www.encyclo.co.uk/local/20002

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PPB

(in publishing) paper, printing, and binding.
Found on https://www.infoplease.com/dictionary/ppb

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