Vintage “Horizon Blue” Pattern Pyrex Casserole. c. 1969-1972: 72,000 ppm Lead [90 is unsafe for kids’ items.]
Vintage Arcoroc Glass Plate: 256 ppm Lead. For context: 90 ppm is unsafe in items intended for use by children.
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.
