PES Environmental, Inc., 1682 Novato Blvd; Ste 100, Novato, CA 94946, United States
U.S. Geological Survey, National Research Program Water Resources Division 345 Middlefield Rd MS496, Menlo Park, CA 94025, United States
Clackamas Community College, Engineering Science Water and Environmental Technology Oregon City Campus 19600 S. Mollalla Avenue, Oregon City, OR 97045, United States