Contaminants definitions

Contaminants

any unacceptable or unintended trace materials.
Found on http://www.pharmapackagingsolutions.com/expert-insights/glossary/

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Contaminants

Swimming pool chemistry: Any microparticle or organism which reduces water clarity or quality or presents health hazards. All of our filtering, circulating and sanitizing is directed here.
Found on http://www.poolsupply360.com/t-Understanding-Swimming-Pool-Terms.aspx

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