Military-Style Silicone Dog Tag (IMAGE) Oregon State University Caption Firefighters in the Kansas City, Missouri, area, wore personal passive samplers in the shape of a military-style dog tag made of silicone on an elastic necklace. The samplers detect chemicals in the air. Credit Carolyn Poutasse, Oregon State University. Usage Restrictions None License Licensed content 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.