Code of Federal Regulations Title 5. Administrative Personnel § 5.551.601 Minimum age standards

(1) Work in offices or in repair or maintenance shops without exposure to hazardous materials;

(2) Work in the construction, operation, repair, or maintenance of living and administrative quarters in firefighting camps without exposure to hazardous materials;

(3) Work in forest protection, such as clearing fire trails or roads, piling and burning slash, maintaining firefighting equipment, or acting as fire lookout or fire patrolman away from the actual logging operations, provided that this provision shall not apply to the felling or bucking of timber, the collecting or transporting of logs, the operation of power-driven machinery, the handling or use of explosives, and work on trestles;

(4) Work in the clean-up service outside of a structure after a fire has been declared by the fire official in charge to be under control;  and

(5) Work assisting in the administration of first aid.