Interesting PG issue.

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Legato525

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Mar 14, 2009
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Ok, so, while researching some safety information for myself all of this has kinda come together. I knew PG was an alcohol, but I never thought it could show on a B.A.C. test. Here's why I believe that. PG is used in cosmetics because of it's lasting moistening effects. This principle does not change (I believe) in it's vapor form. Since the PG vapor sticks slightly to your lungs, not enough to be unsafe, but it is there. Now, I think that somone who vapes as much as I do throghout the day, my lungs are slightly coated, so if given a breath analysis I would show a slight false test due to the PG in my lungs. I called a pharmasist here in Las Vegas and posed this question. He said that their is a good chance of a false test if exposed to PG vapor throughout the day. So I know this seems like no big deal, but it is. As a truck driver I can be shutdown if a test shows any reading, as long as it is not above .04. This is so if there is a flase reading, its no big deal, except, my company will terminate any employee who is shut down, even if it is a flase reading. In fact our employee handbook flat out says to avoid any product that can gove a flase reading specifically for this purpose. Anyone have any information they can point me to that would disprove this? I have switched to analogs (OMG it's horrible) until this issue is resolved.
 

rlorange

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Mar 2, 2009
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Very interesting. PG is kind of like two ethanol (alcohol) molecules joined together so there is every reason that the sensors in RBT devices would give a false reading from PG.

I dispute the fact that PG hangs around in the lungs though. It will be absorbed very quickly and there would not be enough in the blood to give a reading once the residual is absorbed from the lungs.

I definately think that if you blew into one just after a vape there would be enough to give a false reading; assuming that this is indeed accurate.

Lots of info on this forum regarding PG vs VG, latest active thread:

Glycerin and the 'Acrolein problem' anyone vaping VG read this
 

wanderlust

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Mar 15, 2009
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Saw the post and can't locate through search but, tried a dot approved AlcoHawk digital alcohol detector immediately after vape (steady use) and did not register. Device will register anything over .01%BAC. Oh, should note that I have been using 36 mg pg soulution daily on a real regular basis. Hope this helps
 
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