It was Ethel Dotson who discovered that the facility had also been used for uranium-melting experiments, and CAG member Sherry Padgett and others have found that the site also processed another toxic metal, beryllium.
While state and county health officials said a chemically contaminated site in southeast Richmond poses no dangers to their current users, concerns remain about past users and those to come.
They also acknowledge that their findings don't include the possible interactions between the more than 100 toxic metals and chemicals found at the site.
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