Vintage Wilkerson Glass blue bowl: Lead-free, Arsenic-free, Mercury-free (10 ppm Cadmium & 1,451 ppm Antimony)
The full XRF test results for the vintage blue glass bowl by Wilkerson Glass (pictured here) are below. Some information about the logo mark found on this glassware item: 60-second test Lead (Pb): non-detect Cadmium (Cd): 10 +/- 2 ppm Mercury (Hg): non-detect Bromine (Br): 10 +/- 1 ppm Chromium (Cr): 385 +/- 109 ppm Iron…