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The MTBE controversy concerns methyl tert-butyl ether (MTBE), a gasoline additive that replaced tetraethyllead. MTBE is an oxygenate and raises gasoline's octane number . Its use declined in the United States in response to environmental and health concerns.
Methyl tert-butyl ether (MTBE), also known as tert-butyl methyl ether, is an organic compound with a structural formula (CH 3) 3 COCH 3.MTBE is a volatile, flammable, and colorless liquid that is sparingly soluble in water. [1]
The demand for ethanol produced from field corn was spurred by the discovery that methyl tertiary butyl ether (MTBE) was contaminating groundwater. [25] [28] MTBE's use as an oxygenate additive was widespread due to mandates in the Clean Air Act amendments of 1992 to reduce carbon monoxide emissions. MTBE in gasoline had been banned in almost ...
Methyl tert-butyl ether (MTBE) is used as a gasoline additive, as well as in various industrial manufacturing processes. The compound has contaminated groundwater and soil across the U.S., and its use has been banned in some states, including California and New York. (See MTBE controversy.) EPA included MTBE on its first Contaminant Candidate ...
In the article it is stated at its first paragraph that (quote) Methyl tert-butyl ether, also known as methyl tertiary butyl ether and MTBE, is a chemical compound with molecular formula C5H12O. MTBE is a volatile, flammable and colorless liquid that is immiscible with water.
Maps show the areas impacted by storm surge, rainfall levels and more as Helene, once a major hurricane and now a tropical storm, moves inland from Florida's Gulf Coast over Georgia.
Florida rank U.S. rank Metropolitan area Population (2023 est.) 1 9 Miami–Fort Lauderdale–West Palm Beach: 6,183,199 2 17 Tampa–St. Petersburg–Clearwater: 3,342,963 3 21 Orlando–Kissimmee–Sanford: 2,817,933 4 38 Jacksonville: 1,713,240 5 63 North Port–Bradenton–Sarasota: 910,108 6 72 Cape Coral–Fort Myers: 834,573 7 75 ...
With Florida's flat landscape and surrounding ocean, rivers recede exceptionally slowly. In the Ridge Manor community about 50 miles west of Orlando, water still covers yards and homes more than a ...