Lead Database

Vintage Libbey smoke glass with Dandelion pattern: 35,200 ppm lead by XRF
XRF readings: Lead: 35,200 ppm · Cadmium: 479 ppm · Arsenic: not measured Verdict: Very high, avoid food contact 35,200 ppm lead detected. at this concentration leaching into acidic foods (tomato, citrus, vinegar) becomes a realistic concern even in well-fired ware. FluoroSpec will confirm whether lead is surface-reactive. Also: 479 ppm cadmium present. There is no safe amount of lead. This number is a starting point, not a verdict on your safety. What matters is whether the lead can actually reach a person. Think of tacks: a box of them... Read more...
Vintage Libbey green glass with fern pattern: 34,800 ppm lead by XRF
XRF readings: Lead: 34,800 ppm · Cadmium: 1,133 ppm · Arsenic: not measured Verdict: Very high, avoid food contact + High cadmium 34,800 ppm lead detected. at this concentration leaching into acidic foods (tomato, citrus, vinegar) becomes a realistic concern even in well-fired ware. FluoroSpec will confirm whether lead is surface-reactive. NOTE: 1,133 ppm cadmium also detected, a separate and serious concern for colored glazes. There is no safe amount of lead. This number is a starting point, not a verdict on your safety. What matters is whether the lead... Read more...
Tom & Jerry Vintage Milk Glass Christmas Mug: 37,100 ppm lead by XRF
XRF readings: Lead: 37,100 ppm · Cadmium: 1,000 ppm · Arsenic: not measured Verdict: Very high, avoid food contact + High cadmium 37,100 ppm lead detected. at this concentration leaching into acidic foods (tomato, citrus, vinegar) becomes a realistic concern even in well-fired ware. Children should not handle this item. FluoroSpec will confirm whether lead is surface-reactive. NOTE: 1,000 ppm cadmium also detected, a separate and serious concern for colored glazes. There is no safe amount of lead. This number is a starting point, not a verdict on your safety.... Read more...
Vintage Christmas “Made in USA” Corning Glass Mug: 28,200 ppm lead by XRF
XRF readings: Lead: 28,200 ppm · Cadmium: 700 ppm · Arsenic: not measured Verdict: Very high, avoid food contact 28,200 ppm lead detected. at this concentration leaching into acidic foods (tomato, citrus, vinegar) becomes a realistic concern even in well-fired ware. Children should not handle this item. FluoroSpec will confirm whether lead is surface-reactive. Also: 700 ppm cadmium present. There is no safe amount of lead. This number is a starting point, not a verdict on your safety. What matters is whether the lead can actually reach a person. Think... Read more...
Vintage Libbey High Ball Christmas Glass: 60,600 ppm lead by XRF
XRF readings: Lead: 60,600 ppm · Cadmium: 2,940 ppm · Arsenic: not measured Verdict: Extreme, do not use + High cadmium 60,600 ppm lead, roughly 6x the CPSC 90 ppm children's limit. At this concentration, even fired ceramic glaze carries leaching risk under acidic food conditions. No food contact under any circumstances. FluoroSpec will glow. NOTE: 2,940 ppm cadmium also detected, a separate and serious concern for colored glazes. There is no safe amount of lead. This number is a starting point, not a verdict on your safety. What matters... Read more...
Vintage Libbey glass with red, white and blue floral pattern: 103,300 ppm Lead + 6,306 ppm Cadmium in the painted decorations.
XRF readings: Lead: 103300 ppm · Cadmium: 6306 ppm · Arsenic: 0 ppm Verdict: Extreme: do not use + High cadmium This Vintage Libbey glass with red, white and blue floral pattern: 103,300 ppm Lead + 6,306 ppm Cadmium in the painted decorations. tested at 103300 ppm lead, heavily contaminated. If any of the lead is on the painted surface, decoration, or worn area, expect bioavailable exposure with food contact, mouthing, or abrasion. Cadmium reads 6306 ppm, which is also flagged territory. What this XRF reading actually means → XRF... Read more...
Testing Aquaphor Healing Paste Baby (Fast Relief Diaper Rash Paste) for Lead, Cadmium, Mercury, and Arsenic with Independent, Third-Party Laboratory Analysis
XRF readings: Lead: 1 ppm · Cadmium: 0 ppm · Arsenic: 0 ppm Verdict: Low: probably not a concern This Testing Aquaphor Healing Paste Baby (Fast Relief Diaper Rash Paste) for Lead, Cadmium, Mercury, and Arsenic with Independent, Third-Party Laboratory Analysis reads 1 ppm lead, below the 90 ppm CPSC threshold for children's products and within the typical XRF noise floor for trace contamination. 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... Read more...
Popular “Pediatricians #1 Choice” Diaper Ointment Tests Positive for Alarming Amount of Lead with Independent, Third-party Laboratory Analysis: 10 ppm lead by XRF
XRF readings: Lead: 10 ppm · Cadmium: not measured · Arsenic: not measured Verdict: Low, probably not a concern 10 ppm lead detected, below the 90 ppm children's safety threshold. At this level, most toxicologists would not flag this as actionable for typical adult use. FluoroSpec test: if it doesn't glow, the lead is not in reactive surface form. There is no safe amount of lead. This number is a starting point, not a verdict on your safety. What matters is whether the lead can actually reach a person. Think... Read more...
Testing Triple Paste 40% Zinc Oxide Skin Protectant Diaper Rash Cream for Lead, Cadmium, Mercury, and Arsenic with Independent, Third-Party Laboratory Analysis: 1 ppm lead by XRF
XRF readings: Lead: 1 ppm · Cadmium: not measured · Arsenic: not measured Verdict: Low, probably not a concern 1 ppm lead detected, below the 90 ppm children's safety threshold. At this level, most toxicologists would not flag this as actionable for typical adult use. FluoroSpec test: if it doesn't glow, the lead is not in reactive surface form. There is no safe amount of lead. This number is a starting point, not a verdict on your safety. What matters is whether the lead can actually reach a person. Think... Read more...
A response to a band leader…: 20,000 ppm lead by XRF
XRF readings: Lead: 20,000 ppm · Cadmium: not measured · Arsenic: not measured Verdict: Very high, avoid food contact 20,000 ppm lead detected. at this concentration leaching into acidic foods (tomato, citrus, vinegar) becomes a realistic concern even in well-fired ware. FluoroSpec will confirm whether lead is surface-reactive. There is no safe amount of lead. This number is a starting point, not a verdict on your safety. What matters is whether the lead can actually reach a person. Think of tacks: a box of them in a drawer is fine,... Read more...
Vintage Ceramic Hull Brand (Made In USA) Coffee Cup
XRF readings: Lead: not measured · Cadmium: not measured · Arsenic: not measured Verdict: No readings No numeric XRF data found in this post, may be image-only. FluoroSpec test is the definitive check. There is no safe amount of lead. This number is a starting point, not a verdict on your safety. What matters is whether the lead can actually reach a person. Think of tacks: a box of them in a drawer is fine, the same tacks loose on the kitchen floor are not. Lead locked in a stable... Read more...
Vintage (1950s?) tin Spinning top toy With Rockets & Spacemen: 19,300 ppm Lead (90 ppm is unsafe)
XRF readings: Lead: 19300 ppm · Cadmium: 0 ppm · Arsenic: 0 ppm Verdict: Very high: avoid food contact This Vintage (1950s?) tin Spinning top toy With Rockets & Spacemen: 19,300 ppm Lead (90 ppm is unsafe) tested at 19300 ppm lead, heavily contaminated. If any of the lead is on the painted surface, decoration, or worn area, expect bioavailable exposure with food contact, mouthing, or abrasion. What this XRF reading actually means → XRF measures lead presence on the surface. It does not measure whether that lead can reach... Read more...