Shallow Heath Potteries Bowl (Sausalito, CA): 125,000 ppm Lead. For context: 90 ppm is unsafe in children’s items.
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Shallow Heath Potteries Bowl (Sausalito, CA): 125,000 ppm Lead. For context: 90 ppm is unsafe in children’s items.

When tested with an XRF instrument this blue glazed ceramic bowl by Heath Potteries of Sausalito, California (year of manufacture is unknown) had the following readings: Food Surface / Blue Glazed Interior of Bowl Lead (Pb): 838 +/- 28 ppm Barium (Ba): 585 +/- 38 ppm Antimony (Sb): 25 +/- 12 ppm Tin (Sn): 284…