2018 Starbucks Brown Ceramic Mug: 513 ppm Lead in the brown glaze – inside and outside. 90 ppm is unsafe for kids.
Canadian Things – 2009 Starbucks Red & White Ceramic Mug: 1,005 ppm Cadmium (a known carcinogen) + 259 ppm Lead.
2017 Starbucks Coffee “You Are Here” Collection, California Mug: 6,397 ppm Lead [> 90 is unsafe for kids.]