Brass-colored cabinet knob: 7,986 ppm Lead (90 and up is unsafe for kids), 33 ppm Cadmium, 163 ppm Antimony

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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, LLC — a unique community collaborative woman-owned small business for childhood Lead poisoning prevention and consumer goods safety.
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XRF test results for the item pictured.
More information will be published shortly.

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Published: Friday, February 4 – 2022

Brass-colored knob
60-Second test:

• Lead (Pb): 7,986 +/- 161 ppm
• Cadmium (Cd): 33 +/- 12 ppm
• Mercury (Hg): non-detect
• Bromine (Br): non-detect
• Arsenic (As): non-detect
• Chromium (Cr): non-detect
• Manganese (Mn): 256 +/- 44 ppm
• Iron (Fe): 2.640 +/- 67 ppm
• Nickel (Ni): 2,940 +/- 64 ppm
• Copper (Cu): 578,900 +/- 700 ppm
• Zinc (Zn): 400,700 +/- 700 ppm
• Titanium (Ti): 256 +/- 136 ppm
• Niobium (Nb): 879 +/- 35 ppm
• Tin (Sn): 4,914 +/- 61 ppm
• Antimony (Sb): 163 +/- 24 ppm
• Barium (Ba): 136 +/- 57 ppm
• No other metals were detected in consumer goods mode.