Contaminants

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August 25, 2024 3 min read Definitions
Parts Per Million (PPM): Ratio to Determine Molecular Presence
Chemistry Environmental Science PPM Chemical Analysis Concentration Measurement Environmental Monitoring Contaminants
Parts per million (PPM) is a unit of measurement used to describe the concentration of one substance within another, often used in chemical analysis to indicate the significant presence or absence of a particular substance in a medium.
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