Zone that is usually set up in the immediate area surrounding the spilled material or incident scene.
NOTE Access to the exclusion zone should be controlled for accountability purposes as well as contamination control purposes.
Source: API RP 98, Personal Protective Equipment Selection for Oil Spill Responders, First Edition, August 2013. Global Standards
The area around the entrance to the inerted confined space most likely to be affected by effluent gases; sometimes called the “restricted area.
Source: API Standards 2217A, Guidelines for Safe Work in Inert Confined Spaces in the Petroleum and Petrochemical Industries, Fourth Edition, July 2009. Global Standards