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machinc, Electrical Technician
Category: Electrical
Satisfied Customers: 911
Experience:  AC/DCElectricity / Relay and apparatus/circuit reading/ 30 yrs Bell South
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I had a 1 pound Coleman Propane tank hooked via an adapter

Customer Question

I had a 1 pound Coleman Propane tank hooked via an adapter to a gas grill. I tried to take the tank off and the adaptor came off with it. The tank started hissing and leaking propane into the air. So I set it down. All this occurred outside on a balcony on my 2nd floor.
The tank sort of froze and I thought it was all out. I then tried to remove the adapter and it started hissing again. 10 minutes later it seems to have stopped. The inside of my house does not smell. However, the balcony area outside still has a pretty strong propane smell.
I obviously won't be lighting anything out there for a while. But, I read propane gas goes down not up, and can pool. So, my concern is that my infant sleeps in a room a the first floor below where this occured. I went out her door and could smell it a little.
1. So is there danger in her breathing a little propane if it comes in through the windows (which are closed)?
2. How long do I need to worry about a fire risk? It is not windy, so I'm not sure it's really dissipating quickly?
3. Should I just leave it where it is, or is there somewhere safe to move it?
Thank you.
Submitted: 2 years ago.
Category: Electrical
Expert:  machinc replied 2 years ago.
I will answer your question momentarily
Expert:  machinc replied 2 years ago.
While your incident happened outside
everything should be alright.
You do however have some legitimate
You should call your local fire department.
They have the equipment to test for latent
gas that may have collected and they can safely
dispose of the defective tank.
They should have a number other than 911.
If you call 911 just let them know Your concerns.
Expert:  machinc replied 2 years ago.
Just a check back about the adapter.
Before using again make sure it is the
proper type and is not defective.
Use only approved adapters between the
tank and grille.