Abbreviation for Parts Per Billion. A unit of measurement used to describe the concentration of one substance in relation to another, specifically indicating one part of a substance in one billion parts of a solution or mixture. In cannabis testing, ppb is often used to measure the presence of contaminants, such as pesticides, heavy metals, or residual solvents, in cannabis products, ensuring they meet safety and regulatory standards.
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In the Wild — Example
The heavy metal results came back in the single digit PPB range, well within safe limits.
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