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Glossary:Ppm

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Revision as of 14:43, 13 October 2015 by Denise Watts (Denisewatts) (talk | contribs) (Created page with "Part(s) per million. A measure of concentration of a substance in a solid, liquid, or gas. In solids ppm equates to milligrams per kilogram (mg/kg) and in liquids to milligram...")
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Part(s) per million. A measure of concentration of a substance in a solid, liquid, or gas. In solids ppm equates to milligrams per kilogram (mg/kg) and in liquids to milligrams per liter (mg/L).

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