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National Association of Chemical Distributors (NACD) www.nacd.com/index.cfm |
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Chemical Education Foundation www.chemed.org/ |
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American Chemical Society www.acs.org/ |
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CHEMTREC (The 24-hr Hazardous Materials Communications Center) www.chemtrec.org/ |
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DOT's Hazardous Materials Safety Information http://hazmat.dot.gov/ |