Unattended Laboratory Operation : (Hcf-Lab) A laboratory procedure or operation at which there is no person present who is knowledgeable regarding the operation and emergency shutdown procedures
NFPA 99 Standard for Health Care Facilities, 2002 ed. https://law.resource.org/pub/us/cfr/ibr/004/nfpa.9 9.2005.pdf, (Std: Hlth Care Fcilty - Amer) {242 NFC}