Institute of Environmental Health Sciences says H2S can be detected at about 1/400 of the threshold for harmful human effects.
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of Public Health describes that as “the same as a thimble full of hydrogen sulfide gas in a theater full of air. The human nose can detect H2S at levels as low as 0.005 to 0.02 parts per million (ppm). H2S isĬommon in nature, frequently as a result of rotting vegetation or animal manure. Thermal runaway does not always expel H2S. Darkening of copper battery terminals is also an indication of H2S. That is most likely caused by hydrogen sulfide (H2S ) gas. People sometime complain of a bad, “rotten egg” smell or tingling of the nose after a thermal event. The next day APC replied with 9 questions but no recommendation to remove the UPS from the work area.Īccording to their bulletin, the issue is with “rotten egg” odors. I still have a hacking cough and hope to be better soon. I took the initiative and moved the UPS out of my office to the garage. In the meantime, I got a pounding headache, my throat went from raw to sealed shut. Is this normal for the unit to vaporize odors? What is the solution?”
Today my throat is raw and the air in my office is pungent. I thought is was the new cardboard smell. There was a smell of sulfur immediately on taking the ups out of the box. “I installed an XS900 ups backup one week ago. I emailed APC the manufacturer of the UPS. I checked the UPS, which uses sealed lead-acid batteries. I noticed a sharp sulfuric acid smell that grew stronger each day. Since I wrote this, better UPS backups have come on the market without this problem. It seemed like a wise purchase.īuy – CyberPower CP1350PFCLCD PFC Sinewave UPS 1350VA 810W PFC Compatible Mini-Tower Within only one day, we had a power spike and dropout that killed everything but my desktop.
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I hooked it up and Windows 7 immediately recognized it as a UPS and added a monitoring icon in the tray. I thought nothing of buying a new one two weeks ago. I’d been using battery powered interruptibility power supplies (UPS) at work for decades. In my case it gave me a sore throat that led to the worst cold in years. Ignoring the risk can cause throat irritation, headaches and even death. Sulfur odor from a UPS battery back up is dangerous to your healthīy Stephen Pate – Using a UPS batter backup for your office or home office computer comes with the health risks from exposure to hydrogen sulfide and sulfur gas.
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