RAD@SAFE REGULATIONS I, RESPONSIBILITIES, A, Tne Casmander, Joint Task Farce SEVEN, is responsible for al) radiological safety during Operation HARDACK. The responsibility for general on-x te (Eniwstok arc Bikini Atolls) radiological safety operations has been delegated to the Contander, Task Group 7.1. B. The Commander, Task Unit 6, Task Group 7.1, will exercise overall supervision and cortrel for CTO 7.3 on all radiological safety mattars.. C. Task Unit Connanders are responsible for the radiological safaty of mamvers of theis task units, In additicn, during operations in conta@ninated areas, preject and party leaders are respensibie for radiological safety of the parties and for conpliance with tnese regulatviors, RADIOLOGICAL SAFETY CPERATTONS. A. TU-& racd<safe suopor. services will include: 1. Continuing survevs of the radiological situation at EPO, to inciuds clot- ting and briefinz facilities capable of portraying past "end currant raciological situations, dis*ribution. *, 2. Renorte axe mape will be orovared far Monitoring assistance, training, and advice as requested. Maintenance and issue of monitoring instruments and protective clothing ae required, B. L. Personnel dosimeiry and records servica (to include all cf JTF SEVEN). 5. Decontanination facilities for peresnanel, venicles, and equipment. Exosure Guides and Dogace Conmrol. 1. Tne total permissibie expcsures toy Pa ncfPatine perconix1 are as follews: a. - Gerna: BEST AVA Ba eee. ‘ee an 3.75 roentgens per consecutive l3-week period, with a maxi mumof 5.0 rosntgens for the Operation. Personnel whose previcus rediation doses history indicates that tneir total accumulated dose to 1 January 1955 ie in excess of or equal to 5(N-18) roentgens, where K is tx- age on 1 Jamary 1958, will under no circurstences be allowed tc sxceed the 5.0 R maximum for the Operation. b. Alpha: 10,000 exposure units for any consecutive 13-week pericc canputed by mltiplying tne averace air concentratior in the ares of exposure in aAh3 by the hours of exvosure. Thi: is to be used in all cases where personnel are not using respiratory protection in an aloha-conveninated area. Natural alpha Sackgrcund i6 not sluded in the 10,000 units. A Il, Tne tolerance level for veiicle conta:inatior will be as follows: a. 7mr/tr garia plur beta inside end 7 ur/nr ga7me ont: cutsid~.