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Safe levels of CO
Ok five years in the fire service and I can't get someone nailed down on Co Levels in a nonfire situation. Like on a CO check what level is to much. I know our SOPS for CO levels and SCBAs. I know that it effects children faster. But at what level do we vent the house and shut things down? Is any level of CO acceptable in the standerd home setting. Everyone I ask gives a different anwser. So I am asking everyone.
Replies to This Discussion
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Permalink Reply by Norm Tindell on
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I stand corrected. You are correct, sir.
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Permalink Reply by Ben Waller on
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50 PPM will put your CO sensor into alarm unless you've altered the factory settings.
The factory setting (U.S.) for CO is 35 PPM.
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Permalink Reply by Robert James Herring on
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This is a great discussion on the subject of CO the silent killer but guys and gals take in consideration the other wicked stuff we can/could/do inhale due to incomplete combustion or the off gasing of materials that have been heated to the point of decompstion.Hydrocarbons such as carpet,vinyl coverings are just a few that will speed up your early dirt nap.We ventilate with ppvs which is dumping a CO and hydrocarbon back into were we wanna get the CO and wicked stuff out.....we need to vent our fans or go back to the time tested Electric ppv fans.
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That's the smart move. At 35 PPM the CO monitor will be in alarm unless someone has altered the factory settings.
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Permalink Reply by John Dobson on
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Robert has a point I have seen my Dept vent with a gas powered vent fan after a chimney fire. It was in my mind what are we pumping into house with a gas engine. In my thoughts we were putting in things that were alot worse than clean wood smoke from the stove.
We have had trouble with are gas ppv fan it keeps dying in the middle of ventilation. So we have talked about a new fan. I brought up the idea of going to a electric fan and it seemed no one was even up to consider the idea. We do carry a npv fan that is electric.
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Permalink Reply by Thad Rather on
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I had to do a lot of checking on this to several years back. I hate to say it but for so long we were winging it. I have found that a lot of dept are doing differant things. We have one dept around me that if the co levels are above 10 they shut the gas off and evacuate the residence. I find it hard to set a SOG to say anything over this # you need to do this and here is why. If the house has a middle age couple with no kids or pets then they may not feel any effects of Co. Kids, pets, and elderly co will effect more at lower levels.
Fire places and home of smokers you will find higher levels of co in the home and depending on when the last time they smoked in the house You have to take things like that into account. I have a link to a Web site that may be what you want: www.coheadquarters.com/ZerotoMillion1.htm
I hope this helps. The one thing I will add is your dept may want to take the time to find or make a paper to document what your reading were and where the reading were taken. Have a place for them to sign and if the reading are above the 10-20 ppm mark write on the paper that it is the suggestion of the fire dept to have a certified repair person to check all gas appliances. Our paper shows anything above 20ppm dangerous and anything lower as non-hazardous but if it is between 15-20 ppm we have them get it checked. If you want to see what we did as far as our co document let me know I can e-mail it to anyone that wants it.
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