Birdwatch Archive

Birdwatch Note Rating

2023-05-13 13:27:09 UTC - HELPFUL

Rated by Participant: 00C92E5020CEAD707EE6B9924AD34B58B3DE425EC55865D02F0C529358F81C4A
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Original Note:

This post presents no evidence verifying the source of these magnetic particles. Brake dust often contains iron bearing magnetic particles. Scientific Study: “The vehicle braking systems as main source of inhalable airborne magnetite particles in trafficked areas. https://www.sciencedirect.com/science/article/pii/S0160412021006164

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