You should feel confident about the training you have had for handling these items. If you have doubts, stop, and get help from someone more knowledgeable. A copy of the Material Safety Data Sheet for each highly hazardous material should be readily available. You should be familiar with the information contained in the MSDS, before using highly hazardous materials. You should be sure you are prepared to handle spills and exposures.
Accidents do happen to the most careful individuals preparedness pays off.
Be sure that you have the supplies and training you need to clean up spills safely. Know how to recognize when a situation is beyond your training and you need outside assistance. Contact the University Police to request assistance on spill clean up, or for other emergencies. A simple precaution, which can help in a spill or exposure situation, is NFPA labeling . Be sure the numbering on the NFPA is current and updated whenever beginning or ending work with highly hazardous materials.