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This site seems to be something of a family affair with lead names on the site Kenneth Barbalace, Roberta Barbalace, and Julia Darochkina Barbalace. It provides chemistry, environmental and hazardous materials educational resources including a detailed periodic table of the elements; chemistry articles, a geological timeline and more. The site has been on the web since October 1995, which makes it something of an old hand in the web world.
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