Shellfish toxin sign (IMAGE) American Geophysical Union Caption Liaisons for communities participating in the SEATOR shellfish toxin testing program decide how to best communicate risks to their communities. Methods range from posting signs to visiting families and reporting updates personally. Credit Hugh Roland Usage Restrictions Credit must be given to the creator. License CC BY 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.