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Air Pollution -- Sulfur Dioxide
Environmental Effects: Sulfur dioxide and nitrogen oxides are the major precursors of acid rain, which has acidified soils, lakes and streams, accelerated corrosion of buildings and monuments, and reduced visibility.
Sulfur dioxide | chemical compound | Britannica.com
Sulfur dioxide: Sulfur dioxide, (SO2), inorganic compound, a heavy, colourless, poisonous gas. It is produced in huge quantities in intermediate steps of sulfuric acid manufacture.
Hawaii volcano: Ash, sulfur dioxide, lava concerns for ...
A plume of ash from the Kilauea volcano rose 12,000 feet into the air before dropping ash on sections of the Big Island of Hawaii, prompting officials Tuesday to warn residents to stay indoors and airplanes to stay away from the area.
CDC - NIOSH Pocket Guide to Chemical Hazards - Sulfur dioxide
Physical Description Colorless gas with a characteristic, irritating, pungent odor. [Note: A liquid below 14°F. Shipped as a liquefied compressed gas.]
Acid Rain Program - Wikipedia
The Acid Rain Program is a market-based initiative taken by the United States Environmental Protection Agency in an effort to reduce overall atmospheric levels of sulfur dioxide and nitrogen oxides, which cause acid rain.
Air Quality Health Advisory Levels. Air quality at Kīlauea is affected by volcanic sulfur dioxide gas (SO 2) and particulate matter (PM 2.5).Unhealthy levels of these pollutants can occur within the park.
Glossary of Terms: S - Physical Geography
Salinity Concentration of dissolved salts found in a sample of water. Measured as the total amount of dissolved salts in parts per thousand.
National Air Quality: Status and Trends of Key Air ...
EPA sets national air quality standards for six common air pollutants. Each year EPA tracks the levels of these air pollutants in the air. EPA posts the results of our analyses to this web site.