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1,4-dioxane is a recently identified contaminant of concern. The regulatory criteria for 1,4-dioxane is constantly changing as more is learned about this contaminant. 1,4-dioxane has a high solubility in water and a low Henry's Law constant which combine to present complex challenges associated with remediation.
1,4-Dioxane (/ d aɪ ˈ ɒ k s eɪ n /) is a heterocyclic organic compound, classified as an ether. It is a colorless liquid with a faint sweet odor similar to that of diethyl ether . The compound is often called simply dioxane because the other dioxane isomers ( 1,2- and 1,3- ) are rarely encountered.
At Rice, Mahendra studied how silver nanoparticles contained in water filtration membranes, polymers, and oil paints, worked to disinfect viruses, bacteria, and fungi. She also led a project to explore natural and engineered bioremediation of 1,4-dioxane in colder climates. [2]
By doing that, Sanford and Seminole County lowered 1,4-dioxane levels in drinking water to about half of the state and federal advisory level – 0.35 parts of the chemical in 1 billion parts of ...
Samples taken Wednesday found 1,4-dioxane at one of five sample sites, at levels just over one part per billion. The U.S. Environmental Protection Agency considers 1,4-dioxane, ...
DEQ’s limits on PFAS are being opposed by the NC Chamber, while Triad-area utilities are opposed to 1,4-dioxane limits in surface water.
In the simplest sense this consists of an aqueous hydroxide solution and an organic phase containing the chloroform. Therefore, the two reagents are separated and must be brought together for the reaction to take place. This can be achieved by rapid mixing, phase-transfer catalysts, or an emulsifying agent such as 1,4-dioxane as solvent.
People wonder about the health risks they face – from driving on Interstate 4, to sun exposure, to consuming alcohol, to eating bacon and more – but drinking tap water usually isn’t one of them.