Newer (but old fashioned style) FEIT Electric light bulb: 4,366 +/- 63 ppm Lead (+ 23 ppm Cadmium).

Introduction:

Tamara Rubin is an independent advocate for consumer goods safety, and she is also a mother of Lead-poisoned children. She began testing consumer goods for toxicants in 2009, and was the parent-advocate responsible for finding Lead in the popular fidget spinner toys in 2017. She uses XRF testing (a scientific method used by the Consumer Product Safety Commission) to test consumer goods for metallic toxicants (including Lead, Cadmium, Mercury and Arsenic). To read more about the testing methodology employed for the test results reported on this blog, please click this link.

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Reading #1.) on the glass of the light bulb
60-seconds per test (repeated multiple times)

• Lead (Pb): 4,366 +/- 63 ppm
• Cadmium (Cd): 23 +/- 3 ppm
• Bromine (Br): 6 +/- 2 ppm
• Chromium (Cr): 370 +/- 145 ppm
• Iron (Fe): 3,907 +/- 120 ppm
• Copper (Cu): 196 +/- 21 ppm
• Zinc (Zn): 77 +/- 10 ppm
• Zirconium (Zr): 1,143 +/- 18 ppm
• Nb: 1,060 +/- 18 ppm
• Molybdenum (Mo): 828 +/- 19 ppm
• Indium (In): 23 +/- 4 ppm
• Tin (Sn): 29 +/- 5 ppm
• Antimony (Sb): 35 +/- 7 ppm
• Barium (Ba): 1,369 +/- 31 ppm
• W: 301+/- 38 ppm
• Bismuth (Bi): 42 +/- 10 ppm

Reading #2.) on the gold colored metal threads of the light bulb
60-seconds per test (repeated multiple times)

• Iron (Fe): 230 +/- 37 ppm
• Nickel (Ni): 285 +/- 41 ppm
• Copper (Cu): 632,700 +/- 700 ppm
• Zinc (Zn): 362,900 +/- 600 ppm
• Nb: 968 +/- 35 ppm
• Tin (Sn): 670 +/- 25 ppm
• Barium (Ba): 2,089 +/- 69 ppm
• Bismuth (Bi): 62 +/- 32 ppm

Reading #3.) on the silver colored metal (solder) end of the light bulb
60-seconds per test (repeated multiple times)

• Lead (Pb): 342 +/- 48 ppm
• Nickel (Ni): 285 +/- 178 ppm
• Copper (Cu): 113,800 +/- 600 ppm
• Zinc (Zn): 113,500 +/- 500 ppm
• Tin (Sn): 763,700 +/- 1,400 ppm
• Antimony (Sb): 1,684 +/- 93 ppm
• Barium (Ba): 3,099 +/- 386 ppm
• Bismuth (Bi): 3,630 +/- 76 ppm

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Some additional reading that might be of interest:

• The post discussing the testing methodology used on this website
• Post discussing how to send in an item for testing
• Things that you can test at home.
• Things that might be better tested with an XRF instrument.
• “Can I test things myself at home?”

Thanks for reading. Thank you for sharing my posts. As always, please let me know if you have any questions and I will do my best to answer them personally as soon as I have a moment (which may not be right away – but I will try!)

Tamara Rubin
#LeadSafeMama

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