II. B. Radiological Safety Criteria for the Public INTRODUC TION The criteria and procedures set forth in the following paragraphs were established after full consideration for protecting the health and welfare of the public, both in terms of radiological exposure as well as possible hazards, hardships or inconveniences resulting from disruption of normal activities. Criteria are established as ghides for the Test Organization in determining whether any special actions should be taken to protect the public, These criteria are not established with the expectation that the coming tests at the Nevada Test Site actually will result in radiation levels which will be greater than heretofore. Rather, they formalize past criteria to give even clearer guides for protecting the public, With improved methods cf rredicting fallout and with the use of balloons and higher towers fcr detonating the nuclear devices, it is expec- ted that fetlout in populated areas from future tests at the Nevada Test Site will be less than the highest amounts which have occurred in the past, Two cazic assumntions are made in this report: of the Division or sislogy’ and Mecicine to estaciish such criteria for the Atomic cnergy Commission as deemed necessary to vrotect the health and wel- Pare of the general populace fven consequences of Weapons tests conducted at the Nevada Test Site. b. The operational procedures adopted for meeting these criteria shall be the responsibility of the Test Manager, as €B Er: ike hk 2. hb lb nae et 4 EE ra { * 4 directed by the Division of Military Application, with the

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