DEFENCE AGAINST CHEMICAL WARFARE AGENTS PART 2: DETECTION [Main Title]
Army Instructional film on the detection of chemical agents in the field. The use of detector paper for the detection of personal and area contamination is shown, including the checking of an RAF Lightning fighter aircraft and onboard a Royal Navy warship. The procedure by which a contaminated area is marked with warning signs is demonstrated, and a medical officer is shown checking a river for the presence of chemical agents. Other detection equipment is shown briefly, including the kit vapour detector and residual vapour detector.