The Environmental Protection Agency (EPA) has classified 1,4-Dioxane as a likely carcinogen that does not break down readily.  Purge and trap concentration and liquid-liquid extraction are the most common techniques for the sampling of 1,4-Dioxane.  Each of these techniques has its advantages and drawbacks.  This application will explore Solid Phase Microextraction as a possible option for the sampling of 1,4-Dioxane.