Dr Volz's research interests are primarily focused on how industrial & municipal contaminants, including toxic heavy metals & elements move through the air, water, soil & groundwater to reach people & how to block this movement. He is a specialist in the fields of human & ecological receptor exposure assessment & fate & transport of contaminants through environmental media. Dr. Volz's CHEC group is conducting research in the Marcellus Shale region to determine levels of; metals, anions and organic chemicals in effluent from sewage treatment plants accepting gas production brine water; and organic chemicals in air volatilized from gas production operations.