Collecting Gas Samples from Leakin Park, Baltimore, MD (2 of 2) (image) Cary Institute of Ecosystem Studies Share Print E-Mail Caption Baltimore field lead Dan Dillon collects a gas sample. Credit Laura Templeton Usage Restrictions To promote this press release. 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.