Archive | Oven Proof

Made in USA Hull Potteries Vintage Coffee Cup Lead Safe Mama 1

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

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 […]

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Cornflower Pattern Vintage Milk Glass Casserole, Anchor Hocking 1

#Leaded: Cornflower Pattern Vintage Milk Glass Casserole, Anchor Hocking

This Anchor Hocking milk glass casserole was positive for lead when tested with an XRF instrument. The blue flowers were 18,600 +/- 400 ppm lead (Pb) and 137 +/- 13 ppm cadmium (Cd). The flowers were non-detect for mercury (Hg) and arsenic (As.) The milk glass on this piece was negative for lead, mercury, cadmium […]

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Wisconsin Rose Bowl

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

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 […]

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#Leaded: “Oven Proof” Blue Ceramic Fish Tray

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. […]

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