Vintage Hall’s Superior Quality Kitchenware bowl (Tested and approved by Mary Dunbar, Jewel Homemaker’s Institute). 9,100 ppm Lead. Click to see the bowl!

XRF readings:
Lead: 9100 ppm · Cadmium: 0 ppm · Arsenic: 430 ppm

Verdict: High: FluoroSpec test required

This Vintage Hall’s Superior Quality Kitchenware bowl (Tested and approved by Mary Dunbar, Jewel Homemaker’s Institute). 9,100 ppm Lead. Click to see the bowl! tested at 9100 ppm lead, significantly elevated. The bioavailability question (can this lead reach a person?) depends on whether the lead is locked into a fired matrix or sitting on a painted surface. Arsenic reads 430 ppm, worth noting on top of the lead question.

What this XRF reading actually means →
XRF measures lead presence on the surface. It does not measure whether that lead can reach a person. That distinction matters for how you should react to this number. Read the full primer.

Test your own dishes with FluoroSpec →

Source: EverythingLead · Test method: XRF (Niton XL 5 Plus, 1.5 sigma)
License: Verdict and methodology © EverythingLead, CC-BY-SA 4.0. Factual XRF measurements are not copyrightable (Feist v. Rural Tel., 499 U.S. 340).