QTP4B051-11 governs Air Force training for classifying confined spaces and testing and interpreting their atmospheric conditions.
View QTP4B051-11 on armypubs.army.mil
It covers confined-space classification, atmospheric monitoring, combustible gas meters, and review of master entry plans and non-routine entry permits. The package requires evaluation of oxygen, flammability, toxicity, and other atmospheric conditions, along with equipment checks and documented entry information.
The classification of confined spaces is based on what three things. (paragraph 3)
The permit will be revoked if testing shows conditions in the space are more hazardous than contemplated under the permit. (paragraph 1)
Each completed entry permit, including those canceled or revoked, shall be retained for one year by the organization responsible for the entry and be available for review. (paragraph 2)
The TWA alarm is calculated over an eight-hour exposure. (paragraph 1)
The Sirius® Multigas Detector is designed to detect gases and vapors in air only and to detect only specified toxic gases for which a sensor is installed. (paragraph 8)