The U.S. Environmental Protection Agency has released updated procedures for collecting groundwater samples through its Laboratory Services and Applied Science Division. The guidance describes general ...

Lead author Nyssa Silbiger (CSUN) and co-author Megan Donahue (HIMB) collecting water samples during the experiment at the Hawai'i Institute of Marine Biology. Disclaimer: AAAS and EurekAlert! are not ...

Researcher Jim Elser and research technician Laura Steger taking samples of water for chemical analysis. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted ...