Dragon Glass: 33,500 ppm lead (Pb), 499 ppm cadmium (Cd), 60 ppm mercury (Hg), & 5,307 ppm chromium (Cr).
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The total lead content in dishes and items intended for adults (vs. items intended for children) is mostly not regulated at all (as measured with an XRF). Items intended for children are considered toxic at 90 ppm (parts per million) lead and above.
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