New York — New York has adopted a first-in-the-nation drinking water standard for emerging contaminant 1,4-Dioxane, setting the maximum contaminant level of 1 part per billion for 1,4-Dioxane. Maximum contaminant levels have also been announced for emerging contaminants PFOA and PFOS in New York's drinking water, which are among the lowest in the U.S. for PFOA and PFOS at 10 parts per trillion. The