US food safety expert Tamara Rubin has found a disturbing level of cadmium in popular vintage Pyrex jugs.

Rubin states she found eight times the safe level recommended by some authorities.

The US Department Of Labor states that: “Cadmium and its compounds are highly toxic and exposure to this metal is known to cause cancer and targets the body’s cardiovascular, renal, gastrointestinal, neurological, reproductive, and respiratory systems.

She writes on her website: ‘When tested with an XRF instrument this glass Pyrex measuring cup had the following readings:

Lead (Pb): Non-Detect/ND [Negative]
Cadmium (Cd): 326 ppm [in the red writing on the outside of the glass.]
‘Cadmium is a known possible carcinogen and does not belong in our cookware.

‘There are only two relevant standards for total Cadmium content. In Washinton State something is considered illegal if it has more than 40 ppm Cadmium. In Denmark something is considered unsafe or illegal if it is 75 ppm Cadmium or higher.’

“As always, I feel it is prudent to go with the lowest (most strict) toxicity limit for any toxic chemical – so, based on this information, I would feel comfortable saying that items with 40 ppm cadmium or more should not be considered safe for use by children.”


It’s not know what make or model of jug Rubin tested.

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