Flotting Center in the operational headquarters of the local Civil Defense Director via estcblished channels of communication. There they would te graphically vortrayed on charts of the locality in order to vrovide current information on the radiological situation, Tycluation of the deta collected by the Area Survey Tits and summarized on the Radiolsgical Situation Plot would srovide the local Civil Defense Director with information vitel to proper discharge of his duties and responsi~ bilities, It also would furnish the volice, firefighting, rescue and other civil defense groups with facts essential to proceeéing safely with their respective operations, In this connection, it should be obvious that negative information -~that is, no rediations detected — gathered by area Survey Units may often be of as great, and sometimes even greater, importance than vositive data, For example, should the area sutvey onerations disclose no radiological hazards within certein areas, 211 civil defense activities within those varticular sections can be conducted without fesr of injuries resulting from over~-exposure to lonizing radiations, In addition, the civil population can also be assurec that no radiological dangers exist therein. fechnical Service Overctions. Each local rediological defense organization should have.among its components from ten to 100 Radiological Defense Technical Service Units for assignment to various Civil Defense Services, These groups should be composed of from two to 20 individuals fully trained and specially equizped to detect and measure ionizing rediations, They would operate under technical direction of the Radiological Defense Operations Officer (Technical Service Units) ani under tactical direction of the individual in charze of the nolice, firefishting, medical or other operrtional unit to which assigned, TOS ARCHIVES