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1,4-Dioxane in Minnesota... <br />•1,4-Dioxane has been detected in several public water supplies in Minnesota. <br />•MDH does not regulate 1,4-Dioxane in public water supplies. <br />•MDH does have a health-based guidance value for 1, 4-Dioxane. <br /> <br /> <br /> 1,4-Dioxane in St. Anthony Village… <br />•Small amount was found in your city’s public drinking water system. <br />•Do not exceed the guidance value recommended by MDH. <br /> <br /> <br />MDH Guidance: 1, 4-Dioxane in drinking water <br />1 ppb (1 ppb = 1 microgram per liter, or μg /L) <br />•1,4-Dioxane was found to cause liver cancer in animal experiments - no <br />human cases of cancer have been linked to it. <br />•Based on drinking water daily, over long-term or lifetime of exposure – <br />not an immediate health risk. <br />•Includes factors to account for other exposures (diet, consumer products). <br /> <br />MDH first reviewed 1, 4-Dioxane in 2011; <br />adopted the guidance as a rule in September 2013. <br /> <br />33