In the 1950s, the US began developing CWA detection and warning systems. Although these kits significantly improved a soldier' s ability to detect the presence of CWAs, it soon became apparent that they were difficult to use under battlefield conditions. Each kit contained breakable components and the procedures required to conduct the various tests were difficult to accomplish while wearing protective gear. M19 Sampling and Analyzing Kit Figure 3. Since these chemical detectors are mentioned in several case narratives, this information paper provides basic information to familiarize the reader of our case narratives with the characteristics, use, and operation of the M256 series chemical agent detector.
Warning signs vary depending on the chemical agent used and the delivery method.
If the presence of CWA is suspected, individuals in the area are alerted so that they can don their protective equipment. Once everyone has suited up, the environment must be tested to determine whether a CWA is present and, if one is present, determine its type. One way to accomplish this task is to use the M256 Chemical Agent Detector kit. The M256 kit is a manually operated chemical warfare agent detector. It is used to determine whether it is safe to remove the protective mask following a chemical warfare agent attack, or as a confirmatory test after a chemical agent alarm has sounded.