Red Vintage Pyrex Food Storage Container With lid: 310,000 ppm Lead + 14,200 ppm Arsenic + 33,200 ppm Cadmium
The exterior enamel on this Le Creuset kettle was positive for 9,163 ppm Cadmium. Cadmium is a known carcinogen.
How worn is your vintage Pyrex? Even with very worn paint, this piece is still positive for a high level of Lead (Pb) at 23,000 ppm.