Exposed Explosives Precautions. Do not use battery, gasoline or diesel-powered vehicles and materials handling equipment inside any structure or building containing exposed explosives. Vehicles or equipment may be used within the vicinity of structures containing exposed explosives providing:
8.34.1. Gasoline or diesel-powered units have exhaust system spark arrestors and, where applicable, carburetor flame arrestors (standard air cleaners).
8.34.2. Spark arrestors meet military specifications for the particular equipment and are installed so they will not become clogged in normal operation (AFOSH Standard 91-66, Occupational Safety General Industrial Operations, and T.O. 38-1-23, Inspection and