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 Hunter_11
 |  | Methane?
< on 3/20/2006 2:29 PM >
|  | | | A few friends and I have found a storm drain. There is a fair amount of water in it. Probably about chest deep. There is mud at the bottom that I poked with a stick and something bubbles up. Is this methane? Is it safe to go in there or is this a clear sign that I should stay out of it.
[Moved to UE Tutorials, where it might be more appropriate. -Misfit]
[last edit 3/20/2006 3:05 PM by -MisfitStyle- - edited 1 times]
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Hobosewer
Location: Somewhere Dark
Gender: Male
| | Re: Methane?
<Reply # 1 on 3/20/2006 2:42 PM >
| | | | It probably is, people illegally dump stuff all the time. I still think we at least go further in on the dry end.Maybe we could go later today.
[Most of this post really could've been taken into a PM. -Misfit]
[last edit 3/20/2006 3:06 PM by -MisfitStyle- - edited 1 times]
Success is like ladderrrr!! You can not climb with hands in pockets!!!!! |
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Raticus
      
Moderator
Location: Tyler
Gender: Male
Ratus exploricus abandonae
| | Re: Methane?
<Reply # 2 on 3/20/2006 8:35 PM >
|  | | | Posted by Hunter_11
A few friends and I have found a storm drain. There is a fair amount of water in it. Probably about chest deep. There is mud at the bottom that I poked with a stick and something bubbles up. Is this methane? Is it safe to go in there or is this a clear sign that I should stay out of it.
[Moved to UE Tutorials, where it might be more appropriate. -Misfit]
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Personally, I would recommend staying out unless you know for certain, without a doubt, what is causing it and that it is safe. I have personally seen a 15,000 volt electric cable bubble like that, looks just like air or gas, and the bubbles were caused by arching in the wires. Not a safe situation at all.
Wise men speak because they have something to say; Fools speak because they have to say something. |
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nobody
 
Location: VANCOUVER B.C.
Gender: Male
5:55 is a state of mind
| | Re: Methane?
<Reply # 4 on 3/20/2006 8:39 PM >
| | | | Doesn't organic matter in general emit some kind of gas while rotting? N.
Operating Entirely With Bad Intentions |
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Raticus
Moderator
Location: Tyler
Gender: Male
Ratus exploricus abandonae
| | Re: Methane?
<Reply # 5 on 3/20/2006 8:40 PM >
| | | | Yeah, it does. And chances are what is bubbling is completely harmless. But I just wouldn't venture into it without knowing. Especially being chest deep and unable to see what your next step is, and in a drain.
Wise men speak because they have something to say; Fools speak because they have to say something. |
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blackhawk
This member has been banned. See the banlist for more information.
Location: Mission Control
UER newbie
| |  | Re: Methane?
<Reply # 6 on 3/20/2006 10:43 PM >
| | | | Longer might you live if you heed the Rat's advice. In confined spaces methane in large enough concentration, can suffocate a person. The bubbling gas could be hydrogen sulfide, which smells like rotten eggs. It is extremely toxic, and may fatigue your sense of smell so it's not noticed after continued exposure. The effects are cumulative, and in higher concentrations one breath will cause instant collapse. Death. If one of your fellow explorers is stricken in this manner you will not be able to rescue them, as you'll be lucky to even get out yourself.
Just when I thought I was out... they pulled me back in.
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Hobosewer
Location: Somewhere Dark
Gender: Male
| | Re: Methane?
<Reply # 7 on 3/20/2006 11:35 PM >
| | | | hey dowcet did you ever raft down the drain?
Success is like ladderrrr!! You can not climb with hands in pockets!!!!! |
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basilthebatlord
Location: Ann Arbor, Michigan
Gender: Male
The Mattel and Mars Bar Quick Energy Chocobot Hour
| |  | Re: Methane?
<Reply # 8 on 3/21/2006 12:30 AM >
| | | | usually a good test for sufficient amounts of oxygen is lighting a match, HOWEVER this is not a good idea if you think there are high levels of ambient methane, as methane is very flammable. whether or not there are other inexpensive ways to test composition (not spectrograph), i dont know, but you should make sure to know what you'll be breathing.
Vote Democratic, it's easier than getting a job. |
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blackhawk
This member has been banned. See the banlist for more information.
Location: Mission Control
UER newbie
| | | Re: Methane?
<Reply # 9 on 3/21/2006 1:31 AM >
| | | | Posted by basilthebatlord
usually a good test for sufficient amounts of oxygen is lighting a match, HOWEVER this is not a good idea if you think there are high levels of ambient methane, as methane is very flammable. whether or not there are other inexpensive ways to test composition (not spectrograph), i dont know, but you should make sure to know what you'll be breathing.
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A flame can burn long after you pass out from lack of O2.
21% Normal Concentration at 70 F
14% at 70 F lowest point of Combustion
17% Some Impairment of Coordination
9% Unconsciousness
6% Death within a few minutes
2% can support combustion if temp is high enough (a burning match uses an oxidizer to ignite so it will reach a high temp rapidly)
http://www.safetyl...cture23/l23_03.asp
Just when I thought I was out... they pulled me back in.
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Dowcet
Location: Middletown, ct
| | | Re: Methane?
<Reply # 10 on 3/21/2006 2:12 PM >
| | | | Posted by Hobosewer
hey dowcet did you ever raft down the drain?
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No, but I think I'm going to try it as soon as the weather gets slightly warmer. I may not go far because I'm still a little nervous about the air, but the entrance is pretty wide and this place just looks too good to pass up!
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junkyard
Location: LaCrosse, WI
Gender: Male
Strategic Beer Command where the metal hits the meat.
| | | Re: Methane?
<Reply # 12 on 3/21/2006 5:28 PM >
| | | | It's probably Helium DiSulphide. A deadly storm drain gas. You will surely die without protection like a goofy little mask like everyone else wears.
I drink gasoline for breakfeast and beer for dinner!
Any problem can be licked with a case of beer and a few sticks of dynamite.
Strategic Beer Command ruling the desert since 1995 http://www.strategic-beer-command.com |
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Hobosewer
Location: Somewhere Dark
Gender: Male
| | Re: Methane?
<Reply # 13 on 3/28/2006 6:06 AM >
| | | | where do you get the goofy masks that everyone else wears
Success is like ladderrrr!! You can not climb with hands in pockets!!!!! |
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-MisfitStyle-
| | Re: Methane?
<Reply # 14 on 3/28/2006 6:16 AM >
| | | | Those "goofy masks" are respirators and we wear them so we don't...oh, I don't know...die.
"I feel like I just got in a battle of wits with some kid in a helmet I found licking a window."
Need help? Please use the Contact a Mod forum — I'm slow to see PMs. |
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seicer
Location: New York
Gender: Male
| | | Re: Methane?
<Reply # 15 on 3/28/2006 2:19 PM >
| | | | Posted by Hobosewer
where do you get the goofy masks that everyone else wears
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This is why we don't tell you anything important.
These "goofy" masks, since you are being obtuse and completely ignorant, protects you from PCB's, asbestos, mold, among many other hazardous airbourne particles and chemicals. They cost money, and protect you from getting cancer.
Find them at your local hardware store. And not those paper masks, but real respirators.
Please, next time search around on the forum. There are 1000 threads on this already.
Abandoned |
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Nexis
Location: Mt. Pleasant, Iowa
Gender: Male
| | | Re: Methane?
<Reply # 17 on 3/30/2006 7:47 PM >
| | | | Even if your no longer concerned about the methane or other gasses in the water, if you cant see where your going, dont. Would be a rather nasty supprise to jump into a pool of water, and end up with a piece of rebar or something up your backside. There was this tunnel system near my house I was thinking of exploring, the first few times I checked it, it was full of water. I went back after a dry spell, and checked it again. When i looked down, there was a LOT of trash down there, stuff that would cut you up badly, break bones, and the like.
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blackhawk
This member has been banned. See the banlist for more information.
Location: Mission Control
UER newbie
| | | Re: Methane?
<Reply # 18 on 3/30/2006 8:10 PM >
| | | | Posted by Nexis
Even if your no longer concerned about the methane or other gasses in the water, if you cant see where your going, dont. Would be a rather nasty supprise to jump into a pool of water, and end up with a piece of rebar or something up your backside. There was this tunnel system near my house I was thinking of exploring, the first few times I checked it, it was full of water. I went back after a dry spell, and checked it again. When i looked down, there was a LOT of trash down there, stuff that would cut you up badly, break bones, and the like.
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Yeap, a compound fracture, or a deep laceration would not be good in waist deep water. Then you have to get out, as your going into shock in that waist deep water.
Just when I thought I was out... they pulled me back in.
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