Subway (image) US Department of Homeland Security - Science and Technology Share Print E-Mail Caption In late August 2012, an inert form of a naturally occurring innocuous bacterium will be released in select Boston subway stations to test new sensors. A draft environmental assessment was posted for public comment for 45 days, and a public forum was held to capture comments and concerns. No issues related to the safety of the material or test plans were raised during this public notice period. Credit Lawrence Berkeley National Laboratory 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.