Novel Sampling Devices for Sewage System Monitoring: The Beaver Dam and OPEnS Integrating Sampler

John Steven Selker1, Chet Udell1, Cara Walter1 and Hadi AL-agele2, (1)Oregon State University, Biological and Ecological Engineering, Corvallis, OR, United States, (2)Oregon State University, Biological &Ecological Engineering, Corvallis, OR, United States