49 C.F.R. § 193.2613 Auxiliary power sources.
Title 49 - Transportation
Each auxiliary power source must be tested monthly to check its operational capability and tested annually for capacity. The capacity test must take into account the power needed to start up and simultaneously operate equipment that would have to be served by that power source in an emergency.
Title 49: Transportation
PART 193—LIQUEFIED NATURAL GAS FACILITIES: FEDERAL SAFETY STANDARDS
Subpart G—Maintenance
§ 193.2613 Auxiliary power sources.