Section III. TECHNICAL PRINCIPLES OF OPERATION

TM 10-8415-208-12 1-10. EQUIPMENT DATA. (CONT) Oxygen Cylinder: 2,400 PSIG, 3 hours of breathing gas Hoses: Neoprene 1-10.5 Tether Line. Material: Neoprene Length: 50 feet Shipping Weight: 12 lbs Unit Weight: 8 Ibs Storage Dimensions: 19 in. X 14 in. X 8 in. Section III. TECHNICAL PRINCIPLES OF OPERATION 1-11. SELF-CONTAINED TOXIC ENVIRONMENT. PROTECTIVE OUTFIT-INTERIM (STEPO-I). The STEPO-I may be used in two modes. One is the tether mode consisting of the encapsulating protective suit, tether line and emergency breathing apparatus (EBA). The second is the rebreather system mode made up of the encapsulating protective suit, ice vest and the rebreather system. Both modes of operation are used in immediate danger of life and health (IDLH) concentrations of class G, H and V agent environments. 1-12