Waste Anesthesia Gas Disposal (WAGD) in a hospital anesthesia evacuation procedures. Although it uses the same vacuum pump as the Medical Vacuum System, the piping may be a separate line from the source or can combined with the medical vacuum per NFPA 99. Continuous vacuum is maintained around 15-19 inches of mercury.
- ↑ OSHA Directorate of Technical Support and Emergency Management. Anesthetic Gases: Guidelines for Workplace Exposures. Revised May 18, 2000. http://www.osha.gov/dts/osta/anestheticgases/#A