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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 ]
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 March 2009, a Baltimore County, Maryland, jury awarded the nearly 300 plaintiffs $150 million. [3] [4] The awards consisted of $300,000–$1,000,000+ for the value of their homes, $4,000–500,000 for medical expenses or monitoring depending on family size and age of its members, and an average of $1 million for emotional stress.
In a 2008 water contamination case against several major US oil companies, the Hess Corporation was forced to pay part of a $422 million settlement. The case was filed by 153 public water providers in 17 states against the oil companies "over drinking water contamination caused by the gasoline additive Methyl Tertiary Butyl Ether (MTBE)". The ...
The hospice business has undergone a dramatic transformation over the past decade, from a collection of small religious-affiliated entities into a booming mega industry dominated by companies seeking to reap big profits from the business of dying.
The demand for ethanol fuel produced from field corn was spurred in the U.S. by the discovery that methyl tertiary butyl ether (MTBE) was contaminating groundwater. [44] [45] MTBE use as an oxygenate additive was widespread due to the mandates of the Clean Air Act amendments of 1992 to reduce carbon monoxide emissions. As a result, by 2006 ...
MTBE was phased out in the U.S. due to groundwater contamination and the resulting regulations and lawsuits. Ethanol and, to a lesser extent, ethanol-derived ETBE are common substitutes. A common ethanol-gasoline mix of 10 percent ethanol mixed with gasoline is called gasohol or E10, and an ethanol-gasoline mix of 85 percent ethanol mixed with ...