VI. Jangle Feasibility Committee, January 20, 1954. Criteria for air concentrations were dropped since. they were originally proposed as a means of estimating external gamma dose rates at ground level and better methods to do this were now apparent. | Collection of data on air concentrations were to be continued for documentary purposes. VII.- Operation Teapot (Spring 1955) Radiological Safety Criteria and Procedures for Protecting the Public During Weapons Testing at the Nevada Test Site, February 1955 approved by the Commission February 11, 1955 for Operation Teapot. These were revised (See Section II B) page 8 for Operation Plumbbob. VIII. Operation Plunbbob (Spring 1957) e~ overatioral 2viia Overatvtiota: Fu 22 rh Steff paper AEC 141/33 November 13, 1956, as amended, establishes as 6 3.9 roentgens whole body gamma radiation for off- es rq hoon E ry site exposures resclting from Operation Plumbbob.

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