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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