I took an environmental toxicology class and learned benzene has no perceptible smell to us at levels dangerous enough to be cancerous to our bodies, but when we pump gas and smell it, it’s like 5-10x the cancer-causing concentration.https://twitter.com/Pinboard/status/1417478792428232705 …
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Replying to @mathowie
but you’d have to be exposed to that concentration for a year to be at risk. So workers at petrol pumps might have cause to worry. The average car driver, no.
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Replying to @charlesarthur
Yep true. A lifetime of 5-min fuel ups is not nothing, but it’s nothing compared to working around gasoline all day.
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Replying to @mathowie @charlesarthur
Another good heuristic for what to be afraid of at low exposures is to look at the occupational diseases of people who work making the stuff. I won't go near asbestos but happy to sit in a tub of benzene once or twice.
9:15 AM - 20 Jul 2021
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