Major Chemical Spill or Spill of an
Extremely Hazardous Substance

Some spills are large (> 1 liter) or involve very hazardous or unknown substances. You should not clean them up by yourself! Example of very hazardous substances include: bromine, hydrazine, cyanides, Class 1 A flammable solvents, alkali metals and white phosphorus. If you have a major spill you should:

• Immediately call Emergency Response 785-3555 or the University Police 911.
• Alert people in the surrounding area to evacuate.
• Attend to injured or contaminated persons and remove them from exposure. In case of personal contamination, remove affected clothing and flush contaminated skin with water for at least fifteen minutes. Seek medical attention immediately.
• If it will not place your health or safety at risk, turn off ignition and heat sources, maintain fume hood ventilation and open windows to increase ventilation.
• Close doors to affected areas as you leave.
• Have person with knowledge of incident and laboratory assist emergency personnel upon arrival.