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For carbon monoxide concentrations not exceeding 4 mg/m 3 24-hour mean. [ 2 ] Up to 30 % of Europeans living in cities are exposed to air pollutant levels exceeding EU air quality standards.
The UK standards for schools say that carbon dioxide levels of 800 ppm or lower indicate that the room is well-ventilated. [92] Regulations and standards from around the world show that CO 2 levels below 1000 ppm represent good IAQ, between 1000 and 1500 ppm represent moderate IAQ and greater than 1500 ppm represent poor IAQ. [88]
That is, the level is unknown, not non-existent. ... Carbon monoxide: 1380 mg/m 3: 1200 ppm: 630080: 56-23-5: 0024: Carbon tetrachloride: 1258 mg/m 3: 200 ppm: 56235 ...
Carbon monoxide poisoning typically occurs from breathing in carbon monoxide (CO) at excessive levels. [3] Symptoms are often described as "flu-like" and commonly include headache, dizziness, weakness, vomiting, chest pain, and confusion. [1] Large exposures can result in loss of consciousness, arrhythmias, seizures, or death.
Carbon monoxide (CO): The EPA set the first NAAQS for carbon monoxide in 1971. The primary standard was set at 9 ppm averaged over an 8-hour period and 35 ppm over a 1-hour period. [10] The majority of CO emitted into the ambient air is from mobile sources.
"Upon inspection, their furnace was emitting dangerous levels of carbon monoxide. By installing high-quality CO detectors, I was able to diagnose and fix the issue, avoiding potential disaster."
The Consumer Product Safety Commission says prolonged exposure to carbon monoxide levels of 150 to 200 ppm can cause death. 18 residents were relocated and four apartments were condemned.
If you believe you have been exposed to carbon monoxide or are at risk of CO poisoning, Bruccoleri says you can call the Tennessee Poison Center at 1-800-222-1222. The Center is staffed 24/7, 365 ...
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