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…