The threshold for reporting the presence of dioxane in tap water in The Netherlands, a country with a stringent environmental legislation, is 3 parts per million parts of water. (treehugger.com)
The Suffolk County Water Authority is the first supplier in New York to get state approval to use new technology that removes the probable carcinogen 1,4 - dioxane from drinking water. (nystateofpolitics.com)
Ecover on the other hand, was found to have almost twice the amount of dioxane that regular off - the - shelf dish washing detergent (2.4 parts per million, versus 1.6). (treehugger.com)