Puffer Machine (IMAGE) Chemical Insights Research Institute Caption The puffer machine sits inside of an environmental exposure chamber in Chemical Insights Research Institute’s analytical toxicology lab in Marietta, Ga. Credit Chemical Insights Research Institute Usage Restrictions None License Original 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.