Oven Proof

Harkerware Oven-Proof vintage orange rooster plate: 78,600 ppm Lead (90 is unsafe for kids) + 1,318 ppm Arsenic.

Harkerware Oven-Proof vintage orange rooster plate: 78,600 ppm Lead (90 is unsafe for kids) + 1,318 ppm Arsenic.

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Posted: Friday, March 20, 2020 Introduction: Tamara Rubin is an independent advocate for consumer goods safety, and she is also a mother of Lead-poisoned children. She began testing consumer goods for toxicants in 2009 and was the parent-advocate responsible for finding Lead in the popular fidget spinner toys in 2017. She uses high-precision XRF testing (a…

Vintage Ceramic Hull Brand (Made In USA) Coffee Cup: 299,800 ppm [30%!] Lead (when tested with an XRF instrument.)

Vintage Ceramic Hull Brand (Made In USA) Coffee Cup: 299,800 ppm [30%!] Lead (when tested with an XRF instrument.)

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Ceramic “Hull” Made In USA “Oven Proof” Coffee Cup. When tested with an XRF instrument this cup had the following readings (each test done for a minimum of 60 seconds.) Exterior Brown of Cup Lead (Pb): 120,700 +/- 5,000 ppm Barium (Ba): 498 +/- 145 ppm Selenium (Se): 158 +/- 77 ppm Iron (Fe): 17,300…

Anchor Hocking Cornflower Pattern Vintage Milk Glass Casserole: 18,600 ppm Lead + 137 ppm Cadmium.

Anchor Hocking Cornflower Pattern Vintage Milk Glass Casserole: 18,600 ppm Lead + 137 ppm Cadmium.

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This Anchor Hocking milk glass casserole was positive for Lead when tested with an XRF instrument. The blue flowers had the following readings: Lead (Pb): 18,600 +/- 400 ppm Cadmium (Cd): 137 +/- 13 ppm The flowers were non-detect for mercury (Hg) and arsenic (As.) The plain white of the milk glass on this piece…

A short story of a small vintage ceramic bowl and a boy from Wisconsin who was poisoned.

A short story of a small vintage ceramic bowl and a boy from Wisconsin who was poisoned.

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I originally shared this in October of 2013, but given how much we have learned about dishware and lead since then, I thought it was an important one to re-share! I have quite a few friends in Wisconsin and have been invited several times to present to groups there (including presentations in Milwaukee, Madison and…

#Leaded: “Oven Proof” Blue Ceramic Fish Tray

#Leaded: “Oven Proof” Blue Ceramic Fish Tray

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Vintage “Oven Proof” Blue Ceramic Fish Tray: 596 ppm lead. Made in Japan. Please note: All of the vintage ceramics that I have tested that were marked “Oven Proof” on the back have been positive for high levels of lead. Most have been positive for levels much higher than the level found in this particular piece….