Vintage (c. 1972) “Butterfly Gold” Pyrex Casserole Dish: 87,000 ppm Lead. [Context: 90 ppm Lead is unsafe for kids.]
“Old Town Blue” Pattern Vintage Pyrex Tea Cup, c.1972 – 1982: 17,700 ppm Lead [90 ppm is unsafe for kids.]
Paint on 1980s El Camino car: 9,000 ppm Lead when tested with an XRF instrument. This is mostly an issue with metal cars.