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Household air pollution (HAP) is a significant form of indoor air pollution mostly relating to cooking and heating methods used in developing countries. [1] Since much of the cooking is carried out with biomass fuel, in the form of wood, charcoal, dung, and crop residue, in indoor environments that lack proper ventilation, millions of people ...
Chronic exposure to low concentrations of carbon monoxide may lead to lethargy, headaches, nausea, flu-like symptoms and neuropsychological and cardiovascular issues. [26] [24] The WHO recommended levels of indoor CO exposure in 24 hours is 4 mg/m 3. [27] Acute exposure should not exceed 10 mg/m 3 in 8 hours, 35 mg/m 3 in one hour and 100 mg/m ...
Primary and Secondary 35 μg/m 3: 24-hour 98th percentile, averaged over 3 years 40 CFR 50.18: Carbon monoxide (CO) Primary 35 ppm (40 mg/m 3) 1-hour Not to be exceeded more than once per year 40 CFR 50.8: Primary 9 ppm (10 mg/m 3) 8-hour Not to be exceeded more than once per year 40 CFR 50.8: Ozone (O 3) Primary and Secondary 0.12 ppm (235 μg ...
According to the Centers for Disease Control and Prevention, hundreds of people die each year from accidental carbon monoxide poisoning in the U.S., and thousands more are hospitalized. Between ...
“In high concentrations of carbon monoxide, it can take fewer than five minutes to get carbon monoxide poisoning,” according to the Cleveland Clinic. “Under lower concentrations, it can take ...
Carbon monoxide is a strong reductive agent and has been used in pyrometallurgy to reduce metals from ores since ancient times. Carbon monoxide strips oxygen off metal oxides, reducing them to pure metal in high temperatures, forming carbon dioxide in the process. Carbon monoxide is not usually supplied as is, in the gaseous phase, in the ...
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