A. Entrance By Authorized Employees: If the confined space is a "nonpermit required confined space", the space may be entered by authorized employees without the need for a written permit or attendant under this procedure.
B. Unsafe Conditions Removed: Any conditions making it unsafe to remove an entrance cover shall be eliminated before the cover is removed.
C. Atmosphere Testing: The atmosphere in the confined space shall be tested, using a properly calibrated gas detector. Field calibration should be done prior to every use. The atmosphere shall be tested at four foot (4') intervals in the direction of entrant travel and side to side, for a minimum response time as specified by the manufacturer of the test instrument being used, down to the level where work is to be performed.
D. Monitoring Atmosphere: The atmosphere within the space shall be continuously monitored while workers are within the space, either by the entrant or by an optional attendant.
E. Detection Of Hazardous Atmosphere: If at any time during the entry, a hazardous atmosphere is detected, all employees shall leave the space immediately, and report the condition to their supervisor. The supervisor shall then reevaluate the confined space prior to any attempts at reentry.
F. Smoking Prohibited: Smoking in or around a confined space is prohibited. (2019 Compilation)