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< Reply # 3 on 4/16/2014 6:01 AM >
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I wanted to know if I'd be in any danger entering, for half an hour, the occasional building undergoing renovation and posted with asbestos warnings. I didn't really want to buy or carry around a mask, honestly. So this is probably confirmation bias; here is the 1999 article I found after a few minutes' research: http://www.larouch...danger_is_irra.pdf
In sum: the Occupational Health and Safety Authority says 0.1 fibers/cubic centimeter is the limit. But asbestos miners of Quebec worked for more than 20 years exposed to an average of 20 fibers/cubic centimeter and were found to live perfectly normal lives, with no increase in mortality. Measurements in more than 214 schools show the average fiber content in schoolrooms to be 0.0025 fibers per cubic centimeter of air -- 400 times lower than the OSHA requirement for worker safety.
In short, the risk has been hugely overblown. Or, as Ricky_from_TV put it:
|And to be clear - walking around in an asbestos factory for a few hours won't give you asbestosis, You need a regular moderate exposure. |
It reminds me of the received wisdom regarding drinking alcohol while pregnant. Sure, drinking 10+ drinks a day while pregnant leads to fetal alcohol syndrome in two-thirds of babies. But having a couple of drinks a day shows no effect. But most humans seem only able to think in black-and-white -- hence the horror and disgrace directed towards an expectant mother having an occasional glass of wine.
Anyway, I'm personally satisfied that I don't need to buy a respirator for now, and that I can go in that building I have my eye on.
|Vectored Approach |
Location: Morgan Hill, CA
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< Reply # 4 on 4/16/2014 3:40 PM >
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If they are actively working on asbestos removal, don't go in the building. Generally though, asbestos is perfectly fine if left alone. You'll find it in pipe wrapping, fireproofing materials, floor tiles mostly. The asbestos I've come across has always been encapsulated, wrapped and tagged as containing asbestos. If you don't disturb it, don't make it airborne, there's very little to be concerned about.
Honesty may be the best policy, but it's important to remember that apparently, by elimination, dishonesty is the second-best policy. -George Carlin (1937 - 2008)
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< Reply # 9 on 11/2/2015 6:53 AM >
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The link above is the mask I use as my favorite location is laden with asbestos. When you are looking for protection for toxic dusts and such a P100 rating is usually sufficient. They can be found in local hardware stores for between 20-35$ or on Amazon they start at about 12-13$. If you need something a bit cheaper an N95 or R95 is certainly better than nothing. R95 would be a little bit better because it is resistant to oil in the air as well.
the TL;DR of ratings
N95- Will remove 95% of the bad shit from the air, not resistant to oil.
R95- Will remove 95% of the bad shit from the air, is resistant to oil.
P100-Will remove 100% (or pretty damn close) of the bad shit from the air.
If you can afford a P100, Get it. Cancer is a bad time.
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