Confined Space 12 : An area large enough and so configured that a member can bodily enter and perform assigned work but which has limited or restricted means for entry and exit and is not designed for continuous human occupancy
NFPA 472 Standard for Competence of Responders to Hazardous Materials/ Weapons of Mass Destruction Incidents, 2008 ed. http://www.dps.state.ak.us/afsc/docs/Certification /HazMatAwarenessSkillSheets.pdf, (Std: Competence of Resp to Haz Mtrl/ Weapons of Mass Destruction Incid - Amer) {318 NFC}