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Handout
Epa: List of Drinking Water Contaminants Handout
US Environmental Protection Agency

Epa: List of Drinking Water Contaminants

For Students 9th - 10th
Table outlines the EPA's standards for safe drinking water, defining levels of contaminants and listing possible sources of these contaminants.
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Handout
Amethyst Galleries: Mineral Gallery: Minerals by Class Handout
Amethyst Galleries

Amethyst Galleries: Mineral Gallery: Minerals by Class

For Students 9th - 10th
This is a detailed reference list of minerals and mineral classes.
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