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Great Western Coffee Shop > Journey by Journey > Transport for London > iron dust particles on the London Underground.
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Author Topic: iron dust particles on the London Underground.  (Read 1170 times)
infoman
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« on: December 16, 2022, 04:46:57 »
https://www.itv.com/news/london/2022-12-15/tube-polluted-with-metallic-particles-small-enough-to-enter-human-bloodstream
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Electric train
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« Reply #1 on: December 16, 2022, 06:44:27 »
Quote from: infoman on December 16, 2022, 04:46:57
https://www.itv.com/news/london/2022-12-15/tube-polluted-with-metallic-particles-small-enough-to-enter-human-bloodstream

Not a real shock, the content of the dust on the Tube has been known for a long time, human skin being the highest content.
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PrestburyRoad
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« Reply #2 on: December 16, 2022, 08:32:06 »
I've often noticed, getting home after a day trip to London with walking and tube, that when I blew my nose the substance added to my handkerchief had a black colouration.  The colouration being who-knows-what bits that I didn't want to think about.
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Bmblbzzz
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« Reply #3 on: December 16, 2022, 09:39:14 »
Similarly, metal particles from vehicles braking are one of the major components of urban air pollution above ground.
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« Reply #4 on: December 16, 2022, 15:44:40 »
And car tyres also.
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eightonedee
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« Reply #5 on: December 16, 2022, 18:27:53 »
Quote
I've often noticed, getting home after a day trip to London with walking and tube, that when I blew my nose the substance added to my handkerchief had a black colouration.  The colouration being who-knows-what bits that I didn't want to think about.

I'll bet it's nothing like as bad as it was in the days before they banned smoking on the Tube back in the 1980s!
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