Red Glass

Antique juice glass (red & white swirl design), positive for concerning levels of Lead, Mercury and Antimony when tested with an XRF instrument.

October 14, 2022December 10, 2023

October 14, 2022 – Friday Full XRF test results for the glass pictured Reading taken on the side of the glass in an area with all colors of glass 60-second reading Readings repeated multiple times to confirm the results Lead (Pb): 34,800 +/- 900 ppm Cadmium (Cd): non-detect Tin (Sn): 345 +/- 25 ppm Mercury (Hg):…

Anchor Hocking royal ruby red pressed bubble glass tea cup: Lead-free, 24 ppm Cadmium (safe by all standards.)

November 2, 2020November 2, 2020

Vintage Red Glass Anchor Hocking Cup When tested with an XRF instrument the vintage red Anchor Hocking punch glass pictured here had the following readings. Cadmium (Cd): 24 +/- 5 ppm Bismuth (Bi): 37 +/- 9 ppm Tin (Sn): 873 +/- 28 ppm Copper (Cu): 574 +/- 50 ppm Indium (In): 36 +/- 7 ppm…

Vintage glass vase: 4,420 ppm Cadmium (Cd causes cancer, but I am not too concerned to find it in a vase.)

November 2, 2020November 2, 2020

Vintage Red Blown Glass Vase When tested with an XRF instrument the vintage red glass vase pictured here had the following readings. Cadmium (Cd): 4,420 +/- 197 ppm Barium (Ba): 452 +/- 59 ppm Silver (Ag): 40 +/- 9 ppm Palladium (Pd): 14 +/- 7 ppm Platinum (Pt): 777 +/- 212 ppm Zinc (Zn): 106,700…

A second antique (1906?) pressed-glass tiny mug: Also Lead-free!!! Click to see more images of “press line” examples.

November 9, 2019November 9, 2023

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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 by…

Red & clear vintage/antique pressed glass child’s mug: Lead-free!!! Please make a note of the “press lines”

November 9, 2019May 10, 2023

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Press lines often are a good indicator that an antique or vintage functional glassware item (mug, vase, bowl, platter, etc.) is Lead-free (see images below). This is not ALWAYS the case, of course — but is almost always the case…in more than 10 years of testing consumer goods for Lead using XRF technology – including…

Red Duralex Picardie Colors Tumbler: Lead-Free, Arsenic-Free, Cadmium-Free and Mercury-Free!

January 2, 2019January 2, 2019

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Duralex “Picardie Colors” Goblet / Tumbler, Red, 8-3/4 ounces. Made in France, purchased in December 2018. When tested with an XRF instrument this red Duralex glass had the following readings: Lead (Pb): Non-Detect (Negative) Mercury (Hg): Non-Detect (Negative) Cadmium (Cd): Non-Detect (Negative) Arsenic (As): Non-Detect (Negative) Vanadium (V): 108 +/- 25 ppm Titanium (Ti):…

2018 Dollar Store Red Glass Mason Jar Coffee Mug: 11 ppm Cadmium

November 19, 2018December 12, 2023

2018 Dollar Tree Red Christmas Mason Jar Glass. By Greenbrier International, Inc. Made in China. For exact XRF test results, scroll down. To learn more about XRF testing, click HERE. As many red-colored items are, this mug is positive for a trace level of Cadmium. This level of Cadmium is considered safe by all…