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Route of Exposure: Drinking Water

Route of Exposure: Drinking Water. Measuring chemicals in water. The concentration of chemicals in water or soil is often reported in parts or million (ppm) or parts per billion (ppb). Chemicals present in ppm or ppb amounts can have human health effects. Demonstrating ppm and ppb.

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Route of Exposure: Drinking Water

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  1. Route of Exposure: Drinking Water

  2. Measuring chemicals in water • The concentration of chemicals in water or soil is often reported in parts or million (ppm) orparts per billion (ppb). • Chemicals present in ppm or ppb amounts can have human health effects.

  3. Demonstrating ppm and ppb • Serial Dilution Activity

  4. Safe Drinking Water Act • Sets Standards for Drinking Water Contaminants • Maximum Contaminant Levels (MCLs) • Microorganisms • Disinfectants • Disinfection Byproducts • Inorganic Chemicals • Organic Chemicals • Radionuclides http://www.epa.gov/safewater/contaminants/index.html#mcls

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