Poster Awards First Place High School 26. A Seasonal Study of Microplastic Pollution in the Penobscot River Watershed. Virginia Hunt Honorable Mention High School 1. The Development of a Phytoplankton Population Monitoring System to Autonomously Track and Predict Eutrophication Levels. Quinn D’Alessio 2. The Application of Clay Filtration Technology in Remediating the Effects of Industrial