; gy REOFRREEED HEADQUARTERS, ‘Joint Task Fc Washington 25, De Ce ot 20 June 1953» 1600R- ye ~ ¢ Appendix to Annex . * - os _* emo re lef « Radiological Safety, CJIF SEVEN Operation Order Hoe 1533 TTB, ZFTS RADIOLOGICAL SAFETY Ri fusions, oo le te? The Maximm Permissible Exposure (wre). for ‘poreonnel involve operation is 3.9 roentgens, gamma only, unless reduced becar previous or anticipated future exposure. All exposure to e gamma radiation will be regarded as total body irradiation. MPE of 20 roentgens, gamma only, is authorized for crew mext , air sampling aircrafte The maximum permissible exposures. as above are applicable to a field experimental test of nuclear in peacetime, wherein numbers of personnel engaged in these have been previously exposed or will be continuously exposed Te. : eee tential radiation hazards. It may became necessaryfrom a s personnel records to reduce the MPE for certain individuals participated recently in other;atomic tests. Under amilite cal situation or emergency the‘maximum permissible oxposures not applyo 20 tz Woe Tyetid ack DRS te All atoll land and Lagoon@areas ia or near which a detonatic place will be considered contaminated until cleared for’ oper the task force camandere: Entry to and exit from contaminat will be via RadSafe check points:onlye 32 ae ; Contaminated land areas of intensities greater than 100 nr/t delineated as such; Personnel entering these areas must be ¢ by a monitor and will be subject to clearances by the RadSaf TG Tele RadSafeclothing andequipment wih be.issued to tr nel, : ; he Contaminated land areasof instensities Jess than 100 m/hr_ greater than 10 mr/hr will be controlled areas; Personnel er these areas will be subject to clearance by the RadSafe Offi Jele Monitors will not be required for entry into these cor arease Le : 7 7 eNO ene 5. “Contaminated land areas of intensities less than 10 mr/hr wi sidered unrestricted from a RadSafe viewpoint. Areas coming this limitation will be designated specifically by CJTF SEVE to unrestricted entrye 6. . DOE ARCH] RadSafe monitors assigned to ‘Andividuals or groups working j taminated areas or with contaminated equipment during recove tions will act in an advisory capacity to keep the recovery leader informed of radiation intensities at all times. The party leader is expected to accept this advice and act,"accor It is the responsibility of both the leaderand the’ members recovery party to adhere to the limits established inthese tions. . . wew ae are pee - oe Je Film badges, dosimeters and protective clothing (coveralls, caps, gloves, dust respirators, etce) as deemed necessary wi issued to personnel entering contaminated areas by appropri: 1-1-1 | ae a

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