Pyrex Cooking

Please stop using vintage Pyrex glassware for cooking & serving food — it’s often coated with high-Lead paint & can test positive for Cadmium, Arsenic

Please stop using vintage Pyrex glassware for cooking & serving food — it’s often coated with high-Lead paint & can test positive for Cadmium, Arsenic

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  Please watch this 10 minute video first: Here’s a short (2 min 55 seconds) follow-up video, too: This is an ad-free article. Advertising and affiliate income help Lead Safe Mama, LLC cover the costs of the work we do here (independent consumer goods testing and childhood Lead-poisoning prevention advocacy). We have removed ads from…

“If the Lead is only on the OUTSIDE (… of my dish, measuring cup, mixing bowl, etc.) why does it matter?”

“If the Lead is only on the OUTSIDE (… of my dish, measuring cup, mixing bowl, etc.) why does it matter?”

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  For those new to the Lead Safe Mama website: Tamara Rubin is a multiple-federal-award-winning independent advocate for childhood Lead poisoning prevention and consumer goods safety, and a documentary filmmaker. She is also a mother of Lead-poisoned children (two of her four sons were acutely Lead-poisoned in 2005). Tamara owns and runs Lead Safe Mama,…

Pyrex® Glass Measuring cup (c. 1994): 6,253 ppm Lead in red Outside Markings (90 ppm is unsafe for kids)

Pyrex® Glass Measuring cup (c. 1994): 6,253 ppm Lead in red Outside Markings (90 ppm is unsafe for kids)

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  For those new to this website: Tamara Rubin is a multiple-federal-award-winning independent advocate for childhood Lead-poisoning prevention and consumer goods safety, and a documentary filmmaker. She is also a mother of Lead-poisoned children (two of her sons were acutely Lead-poisoned in 2005). Since 2009, Tamara has been using XRF technology (a scientific method used…

Pyrex Glass Measuring Cup: Positive for 326 ppm Cadmium in the Red Exterior Writing. 75 ppm is illegal in Denmark.

Pyrex Glass Measuring Cup: Positive for 326 ppm Cadmium in the Red Exterior Writing. 75 ppm is illegal in Denmark.

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Originally published: December 30, 2016 Updated: December 28, 2019 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.] Sorry – I don’t have any more information about the model number or…

Purple Pyrex glass measuring cup: 20,700 ppm Lead (90 is unsafe*) +175 ppm Cadmium (Yum! What are you baking with?)

Purple Pyrex glass measuring cup: 20,700 ppm Lead (90 is unsafe*) +175 ppm Cadmium (Yum! What are you baking with?)

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  For those new to the Lead Safe Mama website: Tamara Rubin is a multiple-federal-award-winning independent advocate for childhood Lead poisoning prevention and consumer goods safety, and a documentary filmmaker. She is also a mother of Lead-poisoned children (two of her four sons were acutely Lead-poisoned in 2005). Tamara owns and runs Lead Safe Mama,…

“How much Lead is in my vintage Pyrex?” Here are pictures of each one I’ve tested, with links to test results.

“How much Lead is in my vintage Pyrex?” Here are pictures of each one I’ve tested, with links to test results.

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Check back here periodically for updates. Each time I add a new post I will upload a picture to the photo grid below, and link it to the post with the test results.  Click any of the images below to see the corresponding XRF test results (listing all metals found) for that exact item pictured….

Made in USA Vintage Pyrex Clear Glass Double Boiler Cooking Pot: 216 ppm Lead

Made in USA Vintage Pyrex Clear Glass Double Boiler Cooking Pot: 216 ppm Lead

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  Vintage Pyrex Clear Glass Double Boiler Cooking Pot. I tested this with an XRF instrument and below am reporting two sets of readings for this piece. First is the reading for the vessel of the pot. This is from a two-minute (12o second) reading using an XRF instrument. If a metal is not listed…

Pyrex Glass 100th Anniversary Measuring Cup (2013): Positive for 54 ppm Cadmium in the Dark Blue Exterior Markings.

Pyrex Glass 100th Anniversary Measuring Cup (2013): Positive for 54 ppm Cadmium in the Dark Blue Exterior Markings.

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2013 “100th Anniversary” Pyrex glass measuring cup with dark blue painted markings. When tested with an XRF instrument this cup had the following readings: Lead (Pb): ND/Non-Detect (Negative) Cadmium (Cd):  54 +/- 8 ppm Cadmium is a known possible carcinogen and, regardless of regulatory standards and “allowable limits”, does not belong in our cookware. To…

Pyrex Glass Measuring Cup (c. 2004): Positive for 31,300 ppm Lead in the Red Exterior Writing. 90 ppm is unsafe.

Pyrex Glass Measuring Cup (c. 2004): Positive for 31,300 ppm Lead in the Red Exterior Writing. 90 ppm is unsafe.

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Pyrex Glass Measuring Cup. Purchased new circa 2004. When tested with an XRF instrument the exterior red writing on this measuring cup was positive for Lead (Pb) at the following level: 31,300 ppm For context: the amount of Lead (Pb) that is considered toxic in an item intended to be used by children is anything 90 ppm…