Cy ‘ I, RAD-SAFE REGULATIONS ~ RESPORSIBILITIES., A. Tne Commander, Joint Task Force SEVEN, ie responsible for all radiological safety during Operation HARDTACK, The responsibility for general on-ste (Eniwetok anc Bikini Atolls) radiological safety operations has been delegated to the Comvander, Task Group 7.1. B. The Commander, Task Unit 6, Task Group 7.1, will exercise overall supervisicn and control for CTG 7.1 on all radiological satety matters. C. Task Unit Conmanders are responsible for the radiological safaty of mam>ers of their task units. In addition, during operations in contatinatec areas, project and party leaders are responsible for redavlogical safety of the parties and for compliance with these regulations. TI, RADIOLOGICAL SAFETY CPERATTONS. A. TU=6 radesafe euopor~ services will insiude: 1. -2. 8. Continuing surve:rs of the cadiologi-al situation a: EPO, to inelude plot- ting and briefine facilitinue capable of portraying past and current raciological situations. Resorts end aaps will be prepared for ° distribution. Monitoring assistansc, trainin, and advice as requcsted. 3. Maintenance ance issue of monitoring instrments and protective clothing Ll Personnel dosimetry and records service (to include all cf JTF SEVEN). 5. Decontanination Pacilities for personnel, venicles, and equipment. ap required, Exposure Guid-:s and Dosao Conroi. 2. The total purnissible expos.ra: to BLE CORY are a3 follows: BEST AVAILABLE C @>_ Gemma: 3.75 roentgens per consecutive ]3-week period, with a saximum of 5.0 roertgens for the Operation. Personnel whose previcus radiation dose history indicates that their total accumulated dose 40 2 January 1958 is in excess of or equal to 5(N-18) roentgens, where KX is tne age or 1 Jamary 1958, wild under no circunstances be allowed to exceed the 5.0 R maximum for the Operation. bv, Alpha: 10,000 exposure units for any consecutive 13-week period Catputed by mitipiyine tne average eir concentratior. in tre area of exposure in d/n/i? oy the houre of exposure. This is to be used in all cases where personn2] are not using reesiratcry protectian in an alsha-contavinsted area. Natural alpha backgreund is not imiuded in the 10,000 units. 2. Tne tolerance level for venicl< comtenination will de as fallows: a. Pmrfrr garma plus beta inside aic 7 ar/hr ee7ma orl: outside