Electronics > Beginners
Life expectancy vs Lead exposure?
Nominal Animal:
Wikipedia, here and here.
bsfeechannel:
--- Quote from: soldar on August 19, 2019, 03:52:18 pm ---I died once. Then I got better.
--- End quote ---
Well, technically, all cells of your body will be naturally replaced every decade or so.
janoc:
--- Quote from: Mr. Scram on August 20, 2019, 07:15:30 pm ---I'm sure the French government is spending millions to clean up due to "alarmist bullshit" instead of actual risks?
--- End quote ---
Are you seriously comparing exposure of the workers in the middle of hundreds of tons of lead from the cathedral roof that has both melted down, pulverized and evaporated in the heat of that huge fire to an exposure that you could get by soldering?
Really? :palm:
--- Quote from: Mr. Scram on August 20, 2019, 07:15:30 pm ---Actual research shows lead intake is cumulative and definitely harmful at blood levels of 10 µg/dL. It could be worse though. "There is no known safe blood lead concentration. But it is known that, as lead exposure increases, the range and severity of symptoms and effects also increases. Even blood lead concentrations as low as 5 µg/dL, once thought to be a “safe level”, may be associated with decreased intelligence in children, behavioural difficulties, and learning problems." You won't keel over instantly and the biggest risk is definitely associated with children but it is a veritable toxin and should be handled with consideration.
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Nobody is disputing toxicity of lead. But there is a big difference between touching lead and having it in your blood!
Here is some actually relevant reading material:
https://apps.dtic.mil/dtic/tr/fulltext/u2/a145663.pdf (OSHA study of soldering in military environment - "No significant inhalation hazard, low order ingestion hazard" (some were holding the solder in their mouths).
"Occupational Lead Exposure Of Soldering Workers In An Electronic Factory" - conclusion ("In conclusion, since the biological indicators showed normal values, the electronic circuit board soldering workers, are not at high risk of exposure to occupational lead.")
https://s3.amazonaws.com/academia.edu.documents/36286554/vol1no2271204.pdf?response-content-disposition=inline%3B%20filename%3DOccupational_Heat_Exposure_of_Workers_in.pdf&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIAIWOWYYGZ2Y53UL3A%2F20190821%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Date=20190821T143158Z&X-Amz-Expires=3600&X-Amz-SignedHeaders=host&X-Amz-Signature=4e095684a2168761addbc3525ece09b4ead79b1a37fedd5a27ca0f0610d88602#page=9
And if you are worried about kids, then either don't use leaded solder or keep them away from your work area (which is likely a prudent idea anyway, given the other dangers from the tools and electricity present there).
janoc:
--- Quote from: Nominal Animal on August 20, 2019, 08:48:31 pm ---Wikipedia, here and here.
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And your point is? Nobody is disputing that lead is toxic.
james_s:
--- Quote from: janoc on August 21, 2019, 02:49:24 pm ---
--- Quote from: Nominal Animal on August 20, 2019, 08:48:31 pm ---Wikipedia, here and here.
--- End quote ---
And your point is? Nobody is disputing that lead is toxic.
--- End quote ---
I think his point is that somebody asked where he got the information about absorption so he answered the question.
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