William Shotyk is Professor of Environmental Geochemistry at the University of Heidelberg where he and his team have tested bottled waters from around the world. In their special clean lab, they have also tested groundwaters from the Elmvale area and ice samples thousands of years old from the arctic of Canada. William is also the President of the Elmvale Foundation, and the Founder of the Elmvale Water Festival. Email: info[at]elmvale[dot]org