Archive | Ceramics


Green (Recycled?) Glass Mug: 431 ppm Lead. [For context: 100 ppm Lead is considered unsafe in toys.]

When tested with an XRF instrument this clear glass mug (with green tint, probably recycled glass) had the following readings: Lead (Pb): 431 ppm Mercury (Hg): Negative/Non-Detect (ND) Cadmium (Cd): Negative/Non-Detect (ND) Glassware with a tint often has at least some level of Lead. Recycled glassware also often has at least some level of Lead.  If […]

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Ask Tamara: Which mugs are lead-free?

Originally Published: December 24, 2016 Ask Tamara Question: Which mugs are lead-free?  What mugs do you use in your home? Answer: When I first got my hands on an XRF and started testing things for lead one of the very first things I tested was my favorite set of Chantal mugs.  I actually had a […]

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