LIQUID NITROGEN * PRE-START * POTENTIAL HAZARDS * FIRE * EXPLOSION * FROSTBITE * ASPHYXIATION * PHYSICAL INJURY FROM LIFTING * DROWSINESS / HEADACHE / VOMITING / UNCONSCIOUSNESS 1. Acquire a thorough knowledge of cryogenic procedures, i.e. equipment, safety devices, protective equipment, material properties (e.g. plastic/rubber become more brittle, metal becomes stronger); see MSDS. 2. Locate in a well-ventilated area. 3. Do not store in public areas. 4. Locate away from heat and ignition sources (liquid nitrogen can condense oxygen from the air, which may settle on an object and lead to ignition). 5. Only use equipment (storage boxes, dewars, transfer lines, vials) designed specifically for cryogenic liquids. 6. Keep system and equipment extremely clean. 7. Vessels for storage/handling should be no more than 80% full to allow for thermal expansion.