The Triple Layer Packing system is a standard method used for the safe transport of biological, clinical, diagnostic, and potentially hazardous samples. It is particularly important in the context of CBRNE preparedness and medical management because improperly packaged specimens may expose healthcare workers, laboratory personnel, transport staff, and the environment to infectious or hazardous materials. The main purpose of triple packaging is to prevent leakage, breakage, contamination, and accidental exposure during collection, handling, transportation, and receipt of samples. The system consists of three levels of containment: the primary receptacle, the secondary packaging, and the outer packaging. The first layer is the primary receptacle. It is the container that directly holds the sample. Examples include specimen tubes, blood collection tubes, vials, bottles, or other leak-proof containers appropriate for the type of specimen. The primary receptacle must be properly closed and must be strong enough to withstand normal handling during transportation. The outside of the receptacle should be clean and free from contamination. When a liquid specimen is transported, the container must be securely sealed to prevent leakage. Appropriate absorbent material should be placed around the primary receptacle so that, if leakage occurs, the liquid can be absorbed and prevented from spreading within the package. The amount of absorbent material should be sufficient to absorb the entire quantity of liquid present in the primary receptacle. The second layer is the secondary packaging. It provides an additional barrier around the primary receptacle and protects against leakage or breakage. The secondary container should be leak-proof for liquid samples and should be securely closed. If several primary receptacles are placed inside the same secondary package, they should be individually protected against contact with one another, particularly when breakage could occur. Absorbent material is generally placed between the primary and secondary layers for liquid specimens. The secondary packaging is especially important because it provides containment if the primary container fails during transportation. The third layer is the outer packaging. This is the external protective package that provides mechanical protection against physical damage during transport. It should be sufficiently strong to withstand normal transportation conditions, including vibration, pressure, handling, and minor impacts. The outer package carries the required labels, markings, documentation, and other transport information according to the classification of the material and applicable regulations. Where required, the outer packaging may also provide protection against environmental conditions such as moisture or temperature changes. The three layers work together as a containment system. The primary receptacle contains the specimen, the secondary packaging provides additional leak protection, and the outer packaging provides physical protection and facilitates safe handling and identification. The principle is that failure of one layer should not immediately result in exposure of people or the environment to the sample. This redundancy