WebJul 18, 2024 · The U.S. Clean Air Act requires EPA to set National Ambient Air Quality Standards for six common air pollutants. These pollutants (known as "criteria pollutants") are found all over the United States. They are particulate matter (often referred to as particle pollution), ground-level ozone, carbon monoxide, sulfur dioxide, nitrogen dioxide, and ... WebJan 23, 2024 · When hydrolyzed in the water content of the airway mucosa, nitrogen dioxide generates toxic nitrous and nitric acid species. Also, nitrogen dioxide promotes free radical activity. Airway and lung injury may occur anywhere along the respiratory tract, but the principal site of damage is the terminal bronchioles and more distal airways.
Nitrogen Dioxide (0.0001% - 0.005%,) Oxygen (19.5 - 23.5%,) in …
WebJan 1, 2001 · At higher doses, the major toxicologic effect of NO 2 is pulmonary edema ( Centers for Disease Control, 1988 ). In rats, histopathologic changes and increased lung weight have been reported following inhalation of 25–50 ppm NO 2 for 30 min ( Stavert and Lehnert, 1990 ). Web* Breathing Nitrogen Dioxidecan irritate the nose and throat. * Breathing Nitrogen Dioxidecan irritate the lungs causing coughing and/or shortness of breath. Higher exposures can cause a build-up of fluid in the lungs (pulmonary edema), a medical emergency, with severe shortness of breath. french country settee loveseat
Basic Information about NO2 US EPA
WebPhysical Description. Yellowish-brown liquid or reddish-brown gas (above 70°F) with a pungent, acrid odor. [Note: In solid form (below 15°F) it is found structurally as N₂O₂.] … WebToxFAQs™ for Nitrogen Oxides. CAS#: 10102-43-9 (nitric oxide); #10102-44-0 (nitrogen dioxide) This fact sheet answers the most frequently asked health questions about nitrogen oxides. For more information, call the ATSDR Information Center at 1-800-232-4636. This fact sheet is one in a series of summaries about hazardous substances and their ... WebJun 1, 1994 · However, the effects of exposure to high-level NO2 are of great interest to the military since high levels of NO2 may be found in combat situations. It is also important to the civilian section in... french country secretary desk