Parts Per Billion ppb

Meaning, Term, and Glossary Definition - What is Parts Per Billion ppb?

Units commonly used to express contamination ratios, as in establishing the maximum permissible amount of a contaminant in water, land, or air.

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Related glossary terms:

AHERA Designated Person ADP   Air Changes Per Hour ACH   Air Permeability   Ambient Temperature   Cold Temperature CO   Comment Period   Cooperative Agreement   Core Program Cooperative Agreement   Cubic Feet Per Minute CFM   Dispersant   
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Analytical testing dots