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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.
Prior to the release, 1,4-dioxane was measured at 2.4 parts per billion in the Haw, below the Environmental Protection Agency’s health advisory goal of 35 ppb. After the release, The N&O ...
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.
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.
" indicates that no standard has been identified by editors of this article and ns indicates that no standard exists. μg/L = micrograms per litre, or 0.001 ppm; mg/L = 1 ppm, or 1000 μg/L. * means action level; not a concentration standard.
In the 1980s, the European Union began harmonising regulatory requirements. In 1989, Europe, Japan, and the United States began creating plans for harmonisation. The International Conference on Harmonisation of Technical Requirements for Registration of Pharmaceuticals for Human Use (ICH) was created in April 1990 at a meeting in Brussels.
The South Burlington Wastewater Treatment Plant, where the slug of 1,4-dioxane made its way into the Haw, has a capacity of 12 million gallons a day and averages seven to eight million gallons daily.
1,4-Dioxane contamination [ edit ] Products containing SLES can be contaminated with up to 300 ppm of 1,4-dioxane , a by-product of SLES production. 1,4-Dioxane is classified by the International Agency for Research on Cancer as a Group 2B carcinogen : possibly carcinogenic to humans .