As expected (based on the testing of this brand that I have done to date) the food surface of this plate was positive for high levels of lead when tested with an XRF instrument.
To learn more about XRF testing, click here.
Here’s the XRF test results for this exact piece:
- Lead (Pb): 41,100 +/- 1,100 ppm
- Cadmium (Cd): Negative/ Non-Detect
- Mercury (Hg): Negative/ Non-Detect
- Arsenic (As): Negative/ Non-Detect
- Barium (Ba): 311 +/- 80 ppm
- Chromium (Cr): Negative/ Non-Detect
- Antimony (Sb): Negative/ Non-Detect
- Selenium (Se): Negative/ Non-Detect
- Bromine (Br): 112 +/- 33 ppm
To see more Portmeirion items I have tested, click here.
For context: The amount of Lead (Pb) considered unsafe for an item intended for use by children is anything 90 ppm Lead (Pb) or higher in the paint or coating and anything 100 ppm Lead (Pb) or higher in the substrate. There is no regulatory standard for limits on lead as detectable with an XRF in vintage or new dishware. Regulatory standards use other testing methodologies to test for toxicants, not methodologies that actually test for (or determine) the total quantifiable Lead (Pb) content in the glaze or substrate of the item.
I personally would never have ANYTHING like this in my home. There are too many lead-safe or lead-free options out there to justify the use of something for food purposes that is so high lead (regardless of whether or not a particular dish is determined to be leaching at the time of manufacture or not.) I would give this a “Grade F”.
To read more about the concern for lead in pottery and dishware, click here.
For some lead-free dish options, check out THIS LINK to start.
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