IS2B (1 of 2) (image) Arizona State University Share Print E-Mail Caption An earlier version of the in situ sampling device. The lower portion of the tubular instrument is submerged in sediment while the upper portion is exposed to pore water. The IS2B tool can register contaminants at very low detection limits for a broad spectrum of contaminants, ranging from fully water-soluble to highly sorptive and hydrophobic. Credit The Biodeisign Institute 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.