COASST volunteers (IMAGE) University of Washington Caption Volunteers with COASST survey beaches monthly for at least a year. They use flags (orange) to mark rectangles at random spots along the beach, then record and collect litter inside that area. These volunteers are sampling Point No Point, in Washington’s Puget Sound, in September 2019. Credit Erik Wagner/COASST Usage Restrictions With credit License Original 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.