Birdwatch Note Rating
2023-05-12 01:52:18 UTC - HELPFUL
Rated by Participant: F30772A808B26F62F045219632CEACDFF771FF8D156EF648E69020D3892FF9F4
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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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