Map of Sampling Sites (IMAGE) University of Washington Caption To look for potentially concerning chemicals in Puget Sound, researchers at the University of Washington and UW Tacoma collected water from 18 regions (marked by red diamonds) -- from Port Townsend to Olympia -- of Puget Sound's nearshore, meaning the team collected the water samples while standing on docks or the shore, not a boat. Credit Tian et al./Environmental Science & Technology Usage Restrictions For reuse with appropriate credit. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.