Excess liquid oxygen should be allowed to evaporate in a well-ventilated outdoor area. Vent oxygen gas to outside location. Locations should be remote from work areas, open flames, or sources of ignition and combustibles. Return empty and excess cylinders of oxygen to manufacturer. For more information on disposal procedures, see Chapter 7 of this volume.
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Appendix B: Laboratory Chemical Safety Summaries ."
Prudent Practices in the Laboratory: Handling and Disposal of Chemicals . Washington, DC: The National Academies Press,
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