Avoiding Contamination (image) University of Georgia Share Print E-Mail Caption Researchers wore sterile suits and masks and used sterile instruments for sampling to avoid possible contamination of Don Juan Pond in Antarctica. They also collected the minimal amount of material necessary to achieve their research goals. Credit The University of Georgia Usage Restrictions Please credit the University of Georgia 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.