Cylinders Volume 2 / Issue 4 UNDER THE MICROSCOPE The Dartmouth College laboratory safety newsletter Contact EHS for specific ques7ons, 646-1762 or e-mail [email protected] The Basics: Cryogen Reminders 1. Extreme cold contents can cause instant and severe frostbite 2. Always wear leather or cryogen specific gloves, lab coat, safety goggles or glasses and faceshield 3. Oxygen displacement. Cryogens will quickly displace oxygen within the room 4. Cold embrittlement. Cryogens can cause rubber and plastic to become very brittle 5. Explosion hazard. Containers without ventilation can explode due to vapor expansion when warming 6. Only use those cryogens for which you have had material specific training Cryogen Cylinder Valve Components ² Chain cylinders ² Close valves when not in use ² Use correct regulator and do not modify ² Replace cap and use a cart when moving In the News: Cylinder Explosion University of Hawaii at Manoa h.p://khon2.com/ 2016/04/18/hfd-releases- inves@ga@on-report-on-uh- manoa-lab-explosion/ Follow the link below