. on ing 2g i. | 326 US AT.GHIC Ee Rod : =COMMISS tus | eo ai 26202 gel OTF ‘aad eS Lites DaBikes ra | 2 yomrHEADQUARTERS "+ TASK FORCE.SEVEN . ~Baba a WASHINGTON 2, D.C. . P2045 for rer’ en g, | ASTLE . ho Olog cal Safety Regulatdons > Operation C fo. es Dr. John C. Bugher Director, Division of Biology and Medicine 1901 Constitution Aveme CLASSIFICATION ATR 12,/b3- DIAL Vefes phe Pf CANCELLED <j. BY AUTHORITY OF DOE/oc DW hteGB, yassrebole Washington 25, D. C. | - if. pope be ft | * wap Attached hereto is Annex I and Appendix to Joint Task Force ‘ haEVEOperation Order 1-53 in which the Operation CASTLE Radiological a SERDeere and regulations are covered in detail. Operation Order .- peteticipants in the operation preparatory to the overseas phase. This. ..‘order will subsequently be superseded by Operation Order 2-53 to be ~. issued during the fall of :1953 and which will be the primary dingctive. a upon mhich the on-site Phase of operations. will be based, “.aa q? ft _—>—y. : " 2e ‘Due to the special nature of field‘tests such ad bperation, bbe CASTLE, it is the opinion of this headquarters that!a*‘policy’of ‘strict; adherence to the radiological standards pres riped |for routine vork is: not realistic. The intent in the attached ahriex is to strive for areasonable and safe compromise considering conservation ‘of personnel * exposures, the international import of the. tests"and. the cost aspects. -: of delays chargeable to excessive radiological precautions. foie. ‘ . . 3 - 53has ‘been designed to delineate the necessary planning of all par- os ape ™: * ws _ 3. It is requested that you review the attached ‘Annex .ant af Appendix and provide this headquarters with’ your comnents,i‘suggestionst° and/or approval in order that the on-site operation|ordermay reflect’. a set ofrules mitually acceptable |to allconcerneds ¥ :a’ys? ? saad L. ‘t similar letter has been forvariedte.“the Surgeons General of the three Services. — 28 CTEESRAIE UNE te TE et FOR THE COMMANDER: . ~~ Do ogI6¢ xe 29 . . ea; “at 3 : ’ = oF. LiIncl Annex I and Appendix to CJIF SEVEN Operation Order153 (one copy) GEL Bo / - ‘Same eo . _ Page 2) w& ac duphat~ cF this page Aechasod I> ~ F hasbee 43

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