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 phractal
 
Location: freeland, WA
Gender: Male
I think therefore I'll tell you what I think.
 |  | Re: military surplus gas masks
<Reply # 20 on 6/27/2011 7:41 PM >
|  | | | I use one of these.
http://www.mfasco....medium-p-4828.html
For Urbex, a military style gas mask just doesn't give a wide enough field of vision. A civilian respirator is plenty fine for most urbex environments. It won't supply oxygen where there is none, but neither will the M15. And I agree with the sentiment that a civilian respirator makes you look safe, while a military gas mask makes you look like a terrorist.
I use the full face version masks for a few reasons. For starters, they feel more secure on my head. The half face masks always slip on me. Secondly, If I'm in an environment that has crap I want to filter out of my air, it probably has crap I don't want in my eyes. Dust, debris, vapors, even spider webs. Thirdly, as a demolition technician that worked in burnt out and flooded buildings, that mask made me feel safe when there were chunks of concrete and wood splinters flying through the air. (We were a rowdy bunch of demo techs) The weight of the mask is negligible when your in a place where you need it. Mine never fogs up because the incoming air comes in through the filters and circulates around the face piece before being sucked into the mouth piece. The mouth piece has 1 way baffles so that when you exhale, it goes out the mouth piece instead of back up into the face piece. There are filters available for a wide variety of environments but for most urbex, the regular pink P100 ones are fine. (And they're flat so they don't add the mass of the mask, and it's easy to carry spares.)
Regular P100 filters provide 99.97% filter efficiency against oil and non-oil, certain dusts, fumes, mists, radionuclides and asbestos-containing dusts and mists. I use P100 organic vapor/acid gas filters when draining. They're a bit more expensive than regular P100s but they make the air quality so much better.
With the military style masks, your choices of filters is gonna be way smaller. (not to mention way over kill and way more expensive.) You can get expired NBC filters cheap but I don't know if I would trust them. Buying new 3M filters at the hardware store is easier than trying to find fresh 40mm NBC filters.
Hope that helps.
Where'd my oh there it is go?...damn.
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Samurai
     
Vehicular Lord Rick
Location: northeastern New York
No matter where you go, there you are...
| | Re: military surplus gas masks
<Reply # 21 on 6/27/2011 7:53 PM >
| | | | i was just thinking of this... for those of you going draining, one piece of equipment you should have is a 'cricket'... it's about the size of a pager and rattles/beeps/screams when the air becomes fouled with H2S, methane or whatever other gas you'd encounter in a sewer.
this is one of the models we use where I work. (H2S is a hazard in a paper mill)
[last edit 6/27/2011 7:54 PM by Samurai - edited 1 times]
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phractal
Location: freeland, WA
Gender: Male
I think therefore I'll tell you what I think.
| | Re: military surplus gas masks
<Reply # 22 on 6/29/2011 2:37 AM >
| | | | Nice. I wonder though if it's super sensitive and would go off if I farted. There are levels of those gasses all over the place. I wouldn't want to abandon a potentially kick ass sneak just because my beeper caught a passing whiff of something foul. Does it tell you the ppm of whatever gas?
Where'd my oh there it is go?...damn.
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CatalogOfCulture
Location: All over the northeast
Gender: Male
| |  | Re: military surplus gas masks
<Reply # 23 on 6/29/2011 2:47 AM >
| | | | Posted by phractal
Nice. I wonder though if it's super sensitive and would go off if I farted. There are levels of those gasses all over the place. I wouldn't want to abandon a potentially kick ass sneak just because my beeper caught a passing whiff of something foul. Does it tell you the ppm of whatever gas?
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Don't mount it in your ass and it should be fine.
If it rusts I will find it |
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Fl1k3r
Gender: Male
| | Re: military surplus gas masks
<Reply # 24 on 6/29/2011 3:09 AM >
| | | | Posted by CatalogOfCulture
Don't mount it in your ass and it should be fine.
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+1
"Government exists to protect us from each other. Where government has gone beyond its limits is in deciding to protect us from ourselves."
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Samurai
Vehicular Lord Rick
Location: northeastern New York
No matter where you go, there you are...
| | Re: military surplus gas masks
<Reply # 25 on 6/29/2011 7:00 AM >
| | | | Posted by phractal
Nice. I wonder though if it's super sensitive and would go off if I farted. There are levels of those gasses all over the place. I wouldn't want to abandon a potentially kick ass sneak just because my beeper caught a passing whiff of something foul. Does it tell you the ppm of whatever gas?
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no they don't go off when you fart. that's usually the first thing newbies to our department do when they get these things. And yes, the models we use for both H2S and ClO2 display the PPM.
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phractal
Location: freeland, WA
Gender: Male
I think therefore I'll tell you what I think.
| | Re: military surplus gas masks
<Reply # 26 on 6/29/2011 10:03 PM >
| | | | Nice bit of kit, but definitely not "cheap". The cheapest I found em on google just now was $133 from PK Safety Supply. Still, some of my safety equipment cost about that. It's kinda hard to put a price on your own life.
Where'd my oh there it is go?...damn.
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Samurai
Vehicular Lord Rick
Location: northeastern New York
No matter where you go, there you are...
| | Re: military surplus gas masks
<Reply # 27 on 6/30/2011 12:26 AM >
| | | | Posted by phractal
Nice bit of kit, but definitely not "cheap". The cheapest I found em on google just now was $133 from PK Safety Supply. Still, some of my safety equipment cost about that. It's kinda hard to put a price on your own life.
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especially when strong concentrations of H2S kill you without any smell. 
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SinCalRyder
Location: Bakersfield CA
Gender: Male
Less worrying, more exploring!
| | | Re: military surplus gas masks
<Reply # 28 on 6/30/2011 12:49 AM >
| | | | I carry an h2s monitor with me pretty much at all times, Im a Health and safety person in the oilfields, and yeah they arent cheap, but worth it if you think there is the slightest chance. Not sure what the chances are in most explores of coming into contact with H2S though. I am however next month getting a quad monitor for work and exploring. The quad is far better, but more costly, about $500. But it will give you more of what you need. Not only does it do h2s but also combustible gases, and oxygen level. In fact in a pant we explored last weekend I did not do one area I wanted to because I did not have a monitor, and low lying areas is where the oxygen levels get low and gases accumulate.
"Dream as if you'll live forever, Live as if you'll die today"
http://CurtisNoblePhotography.Com |
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