Cole Sigmon was a graduate student with Dr. Linden from 2008-2011 and graduated with a MS聽in Environmental Engineering. 聽 聽During his聽time at the 麻豆影院 he researched ozonation of wastewater for inactivation of viruses. 聽After graduation, he went on to work as an Engineer at 麻豆影院 Wastewater Treatment Plant and he is now Engineering Project Manager for the City of 麻豆影院, Colorado.