Vintage Stoneybrook International China Rushwood Pattern: 12,100 ppm Lead on the food surface.

XRF reading on food surface of dish (yellow glaze area):
60-second reading

• Lead (Pb): 12,100 +/- 1,000 ppm
• Tin (Sn): 57,300 +/- 3,600 ppm
• Barium (Ba): 2,841+/- 1,071
• Bromine (Br): 146 +/- 64 ppm
• Zinc (Zn): 28,600 +/- 1,900 ppm
• Iron (Fe): 982 +/- 330 ppm
• Titanium (Ti): 1,733 +/- 191 ppm

XRF reading on food surface of dish (white speckled background area):
30-second reading

• Lead (Pb): 143 +/- 24 ppm
• Zirconium (Zr): 9,766 +/- 333 ppm
• Zinc (Zn): 33,400 +/- 1,000 ppm
• Copper (Cu): 308 +/- 58 ppm
• Iron (Fe): 611 +/- 169 ppm

As always, please let me know if you have any questions; I will do my best to answer them personally as soon as I have a moment. Thank you for reading and for sharing my posts.

Tamara Rubin
#LeadSafeMama