344AFMAN 24-204(I)/TM 38-250/NAVSUP PUB 505/MCO P4030.19H/ DLAI 4145.311 NOVEMBER 2001Attachment 18COMPATABILITYA18.1. General Requirements. Do not load packages containing hazardous materials that might react dangerously with oneanother or transport in a position that would allow interaction between the material in the event of leakage. Segregationrequirements for hazardous material on military aircraft are identified in tables A18.1 and A18.2.-Table A18.1 details segregation requirements for all hazardous materials.-Table A18.2 specifies compatibility requirements for Class 1.-A18.4 specifies compatibility requirements for tactical and contingency operations under the authority of chapter 3.HA18.2. Segregation Requirements for All Hazardous Materials. Table A18.1 indicates the explosives and other hazardousmaterials that must not be loaded, transported, or stored together.-Only the primary hazard class or division are considered for compatibility, subsidiary-risk and secondary hazards are notconsidered.-The absence of any hazard class or a blank space in the table indicates that no restrictions apply.-The letter "X" at an intersection of horizontal and vertical columns indicates that these articles must not be loaded orstored together. For example, in table A18.1, Class 3 flammable liquids, must not be loaded, transported, or stored withClass 1.1.-The letter "O" at an intersection of horizontal and vertical columns indicates that these articles must not be loaded,transported, or stored together unless separated by a distance of 2.2 m (88 inches) in all directions. For example, in tableA18.1, Class 8 corrosive liquids, must not be loaded, transported, or stored with Class 4.1 flammable solids unlessseparated by 2.2 m (88 inches) in all directions.-The "*" at an intersection of horizontal and vertical columns indicates that segregation among different Class 1 materialsis identified in table A18.2.-Be sure to check notes for compatibility.A18.3. Segregation Requirements for Class 1 Materials. Table A18.2 identifies Class 1 materials that must not be loaded,transported, or stored together.-A blank space in the table indicates that no restrictions apply.-The letter "X" at an intersection of horizontal and vertical columns shows that these articles must not be loaded or storedtogether. For example, do not load or store Class 1.2C with Class 1.2H.-Unless otherwise authorized, do not pack explosives in the same outside container with other articles. Explosives of thesame compatibility group or authorized combination of compatibility groups but a different class number may be packedtogether, provided that the whole package is treated as though its entire contents were comprised of the lower classnumber (higher hazard). For example, treat a mixed package of Class 1.2D explosives and Class 1.4D explosives as Class1.2D explosives. However, when Class 1.5D is packed together with Class 1.2D, treat the whole package as Class 1.1D(for compatibility).-Incompatible explosives may be packed together when approved according to TB 700-2/NAVORDINST 8020.8B/TO11A-1-47/DLAR 8220.1, DoD Explosive Hazard Classification Procedures or 2.3.2.-Be sure to check notes for compatibility.A18.4. Compatibility for Chapter 3. This paragraph prescribes compatibility exceptions for tactical or contingency operationsaccording to 3.6.1. The requirements of tables A18.1 and A18.2 may be deviated from when transporting cargo under theauthority of Chapter 3, consistent with operational requirements. Normally incompatible hazardous materials may be transportedon the same aircraft when separated to the maximum extent possible. Compatibility waivers are not required. The followingrestrictions are mandatory:-Explosives in compatibility groups A, J, K, and L can only be shipped with material in compatibility group S and Class 9.-Fissile class III radioactive materials (Class 7) cannot be loaded, transported, or stored on the same aircraft with any otherhazardous material.-Class 1.1, 1.2, and 1.3 cannot be shipped with any Inhalation hazard zone A material .-Class 1.1, 1.2, and 1.3 cannot be shipped with Class 6.1 poisonous liquids, PG I.-Cyanides or cyanide mixtures (Class 6.1) cannot be loaded, transported, or stored with any corrosive Class 8 material.-
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