ProHear Machete Hunting & Shooting Earmuffs/ Hearing Protectors: Lead & Cadmium-free in all components, positive for trace Antimony

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Prohear hearing protectors

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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 the U.S. Consumer Product Safety Commission) to test consumer goods for toxicants (specifically heavy metals — including Lead, Cadmium, Mercury, Antimony, and Arsenic). All test results reported on this website are science-based, accurate, and replicable. Items are tested multiple times to confirm the test results for each component tested. Tamara’s work was featured in Consumer Reports Magazine in February of 2023 (March 2023 print edition).

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Reading #1) ProHear silver logo on headband
80-second test

• Lead (Pb): non-detect
• Arsenic (As): non-detect
• Cadmium (Cd): non-detect
• Mercury (Hg): non-detect
• Bromine (Br): 63 +/- 3 ppm
• Chromium (Cr): 129 +/- 31 ppm
• Iron (Fe): 1,583 +/- 33 ppm
• Copper (Cu): 29 +/- 9 ppm
• Zinc (Zn): 1,688 +/- 21 ppm
• Titanium (Ti): 300 +/- 128 ppm
• Antimony (Sb): 31 +/- 11 ppm
• Barium (Ba): 1,026 +/- 59 ppm
• Gold (Au): 18 +/- 8 ppm
• No other metals were detected in consumer goods mode.

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Reading #2) Black underside of headband
30-second test

• Lead (Pb): non-detect
• Arsenic (As): non-detect
• Cadmium (Cd): non-detect
• Mercury (Hg): non-detect
• Bromine (Br): non-detect
• Chromium (Cr): 171 +/- 48 ppm
• Iron (Fe): 106,800 +/- 1,200 ppm
• Copper (Cu): 61+/- 28 ppm
• Zinc (Zn): 139 +/- 17 ppm
• Titanium (Ti): 1,055 +/- 449 ppm
• Tin (Sn): 27 +/- 6 ppm
• Antimony (Sb): 15 +/- 8 ppm
• Barium (Ba): 84 +/- 20 ppm
• Bismuth (Bi): 20 +/- 8 ppm
• No other metals were detected in consumer goods mode.

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Reading #3) Black vinyl-covered foam around edges of ear cups
60-second test

• Lead (Pb): non-detect
• Arsenic (As): non-detect
• Cadmium (Cd): non-detect
• Mercury (Hg): non-detect
• Bromine (Br): 87 +/- 5 ppm
• Chromium (Cr): non-detect
• Iron (Fe): 61 +/- 36 ppm
• Zinc (Zn): 139 +/- 14 ppm
• Tin (Sn): 156 +/- 8 ppm
• Antimony (Sb): 123 +/- 9 ppm
• Barium (Ba): 138 +/- 23 ppm
• Bismuth (Bi): 9 +/- 6 ppm
• No other metals were detected in consumer goods mode.

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Reading #4) Silver writing on hard plastic outside of ear cups
30-second test

• Lead (Pb): non-detect
• Arsenic (As): non-detect
• Cadmium (Cd): non-detect
• Mercury (Hg): non-detect
• Bromine (Br): 60 +/- 2 ppm
• Chromium (Cr): 51 +/- 28 ppm
• Iron (Fe): 51 +/- 13 ppm
• Titanium (Ti): 445 +/- 133 ppm
• Tin (Sn): 19 +/- 9 ppm
• Barium (Ba): 243 +/- 58 ppm
• No other metals were detected in consumer goods mode.

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Reading #5) Focus over “screws” (plastic connectors)
30-second test

• Lead (Pb): non-detect
• Arsenic (As): non-detect
• Cadmium (Cd): non-detect
• Mercury (Hg): non-detect
• Bromine (Br): 77 +/- 2 ppm
• Chromium (Cr): non-detect
• Iron (Fe): 19 +/- 9 ppm
• Titanium (Ti): 192 +/- 99 ppm
• Antimony (Sb): 26 +/- 9 ppm
• Barium (Ba): 354 +/- 46 ppm
• No other metals were detected in consumer goods mode.

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Reading #6) Foam inside ear cups
30-second test

• Lead (Pb): non-detect
• Arsenic (As): non-detect
• Cadmium (Cd): non-detect
• Mercury (Hg): non-detect
• Bromine (Br): 56 +/- 6 ppm
• Chromium (Cr): non-detect
• Iron (Fe): 92 +/- 37 ppm
• Zinc (Zn): 34 +/- 11 ppm
• Tin (Sn): 188 +/- 28 ppm
• No other metals were detected in consumer goods mode.

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