Deep freeze and family safety: Watch the carbon monoxide levels
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Virginia Natural Gas (VNG) offers a checklist for detecting potential signs of carbon monoxide buildup and poisoning symptoms and we had them all. The buildup clues are: stuffy or stale air, very high humidity, fallen soot from the chimney or draft hood, and a hot draft coming from the draft hood. The poisoning symptoms were very similar to those being pounded into us by all the stories about the flu epidemic.
According to the VGN technician who assessed our home, the CO level should have been no higher than 9 parts-per-million by the handheld meter that he brought. Our home was at 240 PPM and climbing fast. “At levels over 9 PPM, CO begins to adversely affect your health if you persist in breathing it for over eight hours," according to eHow’s David Scott.
Today everyone is fine. We opened all the windows, shut down appliances, got the people, cats, and dog outdoors and had a neighbor who has a heating business make an emergency visit. He found the chimney blocked, saying it was birds or squirrels trying to keep warm by filling the chimney with twigs and leaves in hopes of building a nest.
I talked to VGN spokesman Duane Bourne, who said our situation is not uncommon. “These [carbon monoxide] leaks occur most often during the winter months, when an improperly vented furnace is turned on for the first time and when a furnace runs more frequently during colder temperatures like what you have been experiencing."
The debris filled a 5-gallon bucket, and then all was right with the world again. I bought a slightly more expensive detector that has both batteries as well as a plug for sockets. Sure, times are tough, but our family is priceless.
I wish a little bird had told me what to look for a month ago, instead of creating distress in our nest. I am putting up netting around the chimney cap and two new birdhouses down in the yard.
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