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Can you breathe up all the oxygen in your rig? - Printable Version

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RE: Can you breathe up all the oxygen in your rig? - highdesertranger - 10-22-2019

" They recommend eating and using winter clothing "

does that down jacket taste good?
naw needs salt

highdesertranger


RE: Can you breathe up all the oxygen in your rig? - crofter - 10-22-2019

Yer killin me!  Their (North Dakota Uni) site talked mostly about surviving by using the items you prepared in advance of the cold weather. When I lived in Wyoming the winter travel kit went into the truck in September and stayed there till June: included high calorie food and some of the backpacker food, water jug kept in the cab to keep it from freezing, warm coat, hat, gloves, and insulated overalls, Sorels, winter rated sleeping bag. I was caught out in the ditch only one time without my winter travel kit, and had to walk 3 miles back to the house in a blizzard wearing my town clothes and wrapped in a wide load sign. Woulda froze if it wasn't for that wide load sign.   ~crofter


RE: Can you breathe up all the oxygen in your rig? - LivingOurPeace - 10-22-2019

"does that down jacket taste good?
naw needs salt"

Reminds me of that old Bugs Bunny "down in the mouth" joke. LOLOL


RE: Can you breathe up all the oxygen in your rig? - michaelwnoakes - 10-23-2019

(10-18-2019, 01:38 PM)maki2 Wrote:  The following information is from the Enviromental Health and Safety website.  As this issue of working in a confined space creates hazards for workers in industry they have prepared informational postings about what is what.

For those who think it is all about the carbon monoxide it is not. But it certainly is one factor that can decrease the amount of available oxygen in a confined space.

"Oxygen Deficiency

Human beings normally breathe air that is 20.9 percent oxygen by volume under normal atmospheric pressure conditions. When the concentration of oxygen decreases even slightly by a little more than 1 percent to 2 percent, people immediately begin to feel the effects. Healthy individuals are unable to work strenuously and their coordination may be affected in oxygen environments of 15 percent to 19 percent. With the depletion of oxygen to a mix of only 10 percent to 12 percent, respiration increases, lips turn blue and judgment is impaired. Fainting and unconsciousness begin to occur at 8 percent to 10 percent oxygen. Death occurs in 8 minutes at 6 percent to 8 percent oxygen; recovery is possible after 4 to 5 minutes if oxygen is restored. These values are approximate and may vary greatly depending on an individual’s health, physical activity and the specific working environment that they encounter.

There are a variety of causes that lead to oxygen deficiency. Leaking materials from storage tanks, natural gas lines, process valves and more release gas that displaces oxygen in poorly ventilated areas or confined spaces. Decomposing organic matter, such as animal, human or plant waste, produces methane, carbon monoxide, carbon dioxide and hydrogen sulfide that displace or consume oxygen. Even corrosion, such as rust, or fermentation or other forms of oxidation will consume oxygen and pose a hazard."

An automobile is not a confined space by the standards definition.


RE: Can you breathe up all the oxygen in your rig? - bullfrog - 10-23-2019

The main point of this thread is to rehash a common situation that occurs every winter when the most common heat source is unvented propane used in a small space with little or minimum ventilation without jeopardizing one's health or life. All manufactures provide guidelines but due to the many different environments we use them in there is concern. General consensus seems to be always have enough covers or sleeping bags to survive without any external heat source so you don't have to use an unattended heat source while sleeping to stay warm. Insure there is plenty of ventilation while using them. Always use secondary detectors while they are operating to insure you will know if something malfunctions. What it comes down to is there is a certain amount of risk involved when using this type of heater and it is easy to use them improperly or have a malfunction and do harm to yourself and those with you.


RE: Can you breathe up all the oxygen in your rig? - crofter - 10-26-2019

What has not been mentioned, is that if possible you should move to a warmer area that stays above freezing at night. It is possible to frostbite your toes when you think you are warm enough, and that can cripple you if the frostbite is bad enough.  I keep a thermometer inside the van to check on the minimum temperature of the wall. Usually when sleeping, your feet are by the outside wall.   ~crofter


RE: Can you breathe up all the oxygen in your rig? - nature lover - 01-03-2020

last post on this thread was months ago but I will add my 2 cents - if its worth that.  I never slept with any open flame in the van or tent but I used a homemade heat battery.  I used e denatured alcohol gel (like sterno but a less expensive brand)    With that fuel burning only while I was still awake.  I filled my largest cast iron dutch oven with marble slabs and chips and covered it with the cast iron lid.  By heating this "battery" for 3 or more hours and putting out the flame before falling asleep; the van stayed warm for some time without an open flame.  I never did a formal measured test but remember waking to go to the potty and the "battery" was very warm (not hot) after 4 + hours.

Nature lover - part time in GMC safari and tent for 20 years starting full time in a shuttle bus May 1.


RE: Can you breathe up all the oxygen in your rig? - maki2 - 01-04-2020

(10-23-2019, 09:17 AM)michaelwnoakes Wrote:  An automobile is not a confined space by the standards definition.
You must have missed the sentence in the description where it said poorly ventilated OR confined. If the windows are rolled up then it is both a relatively small and poorly ventilated area. Insufficient oxygen is not the same thing as zero oxygen. So you don't actually run out of all oxygen, you just don't have enough for a human.


RE: Can you breathe up all the oxygen in your rig? - Firebuild - 01-04-2020

(10-18-2019, 12:51 AM)michaelwnoakes Wrote:  As for heaters, it isn't the consumption of oxygen, but the emission of carbon monoxide that causes death. Carbon monoxide is an odorless, tasteless gas that displaces your blood oxygen levels as you breathe in. To avoid this issue, have a carbon monoxide detector in your vehicle, which goes off before the carbon monoxide level reaches dangerous amounts. When the alarm goes off, turn of the heater and open the window to get a cross draft that dissipates the carbon monoxide level.  Cracking your windows and placing the heater between them and you will provide the necessary ventilation for the heater and provide the heat for you. Don't sleep with the heater on, so you can hear the alarm if it goes off, as well as preventing a fire hazard due to your blanket getting up against the heater, etc.
Thank you! I was wondering if we were going to ignore carbon monoxide! While I agree these heaters are not as dangerous as we've been led to believe when operated properly, I personally would never rely on a vehicle's lack of inherent air-tightness. Cracking a window is imperative, I think.


RE: Can you breathe up all the oxygen in your rig? - B and C - 01-04-2020

Cracking a window with a CO alarm and a propane alarm.