by Tennessee Valley Authority, Office of Natural Resources, Air Resources Program in Muscle Shoals, Ala .
Written in English
|Statement||prepared by Kenneth G. Wastrack|
|Contributions||Air Resources Program (Tennessee Valley Authority)|
|The Physical Object|
|Pagination||57 p. :|
|Number of Pages||57|
Analysis of sulfur dioxide excess at Colbert Station 1 on November 7, / prepared by Kenneth G. Wast Followup analysis of sulfur dioxide excess at Kingston Station 7 on February , / prepared by Ke Analysis of sulfur dioxide excess at Gallatin Station 1 on April , / prepared by Kenneth G. Wast. Sulfur Dioxide Surrogates The Development and Application of Sulfur Dioxide Surrogates in Synthetic Organic Chemistry Edward J. Emmett and Michael C. Willis*[a] Asian J. Org. Chem. , 4, – The Authors. Published by Wiley-VCH Verlag GmbH&Co. KGaA, WeinheimCited by: Sulfur Dioxide Concentrations Sulfur dioxide (SO2) is one of the multiple gaseous oxidized sulfur species and is formed during the combustion of fuels containing sulfur, primarily coal and oil. The largest anthropogenic source of SO2 emissions in the U.S. is fossil fuel combustion at electric utilities and other industrial facilities. For sulfur dioxide (SO 2)the TLV had been ppm for many years, but in ACGIH announced its intention to reduce that TLV to ppm; that was done in The reason for this was recent information indicating that chronic (long term, repeated) exposure to sulfur dioxide concentrations near ppm was found to have some minimal effects.
Air quality monitors measure concentrations of SO 2 throughout the country. EPA, state, tribal and local agencies use that data to ensure that SO 2 in the air is at levels that protect public health and the environment. Nationally, average SO 2 concentrations have decreased substantially over the years. The charts below show national and regional trends in SO 2 concentrations. A recent report on ambient sulfur dioxide trends concluded that sulfur dioxide data at non-urban stations are too scarce to justify formal analysis (EPA ). Considerable data are available on non-urban sulfate concentrations. Appendix A presents the annual average sulfate levels measured at non-urban sites from to Sulfur dioxide’s primary health concern is that it will attack the lungs, mucous membranes and the eyes, and the skin leading to severe injury or death. Sulfur dioxide’s odor is strong enough that it can be detected at levels around ppm but some symptom have been reported to occur around levels of 1 ppm. Symptoms of. Page 7 vrije Universiteit amsterdam rev1 SOx The EU total SOx emissions in were 7,9 emission trends (1): 46 Gg. This is almost a 70% reduction compared to the level of emissions reported in Since , SOx emissions have increased in only two member states of the EU Romania (%) and Greece (%).
Sulfur dioxide (SO 2) is a colorless, nonflammable gas with a strong, suffocating odor. It condenses at degrees at ordinary pressure to form a colorless liquid. It is sometimes referred to as sulfurous anhydride or sulfurous oxide. When sulfur dioxide comes in contact with water, it forms sulfurous acid. The formation of sulfurous acid (H 2. 37 Sulfur dioxide is a colorless gas with a strong, pungent odor. It is nonflammable and very soluble in water. 38 Sulfur dioxide is a strong reducing agent and is highly reactive. 39 40 Due to its high vapor pressure, sulfur dioxide is primarily present in the gaseous phase and can move. Sulfur dioxide was first liquefied by Northmore () by compression in a glass cylinder. Waiden () was the first to recognize its value as a solvent. Liquid sulfur dioxide is a commercial chemical (Hitchcock, ) and an excellent chemical medium for a variety of reactions (Audrieth, ). It is a polar solvent, with a dielectric. More detailed maps showing the current 1-hour sulfur dioxide levels measured at each site in a particular area are available by clicking on the boxes on the map. These levels are based on data measured at the IDEM's continuous air monitoring stations and may include data from local governments and private monitoring networks.