Beach Hazard Sign (image) DOE/Lawrence Berkeley National Laboratory Share Print E-Mail Caption At Gillin's Beach in the Mahaulepu watershed, signs were frequently posted warning beach goers not to swim. However, the team found no evidence of any contamination during an entire year year of monitoring. Credit Eric Dubinsky/Berkeley Lab Usage Restrictions None Share Print E-Mail 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.