ae ENLO/P dsaf, C-0-N-F-I-D-E-h-T-I-a-L : Subject: Int hao , 4 - ‘ eLeue Safety Regulations for. work in Target Vessels for- nerly SUF=L, ee be di sposed of by sinking at sec, Capes Gas Protective (Cis, US Army) are suitable substitutes for tarpaulins <nd con be collected for safe disposal at sea, after a single use, Likewise, surfcces of small boats which may be used in connection with work on the terget vessels should slso be monitored ond decontaminated as necessary, in accordance|with instructions issued in Gonhedtton731) with clearance of non-t + oon git i . Kay “Last Oats ould it be CONFIDENTIAL| ox the target vessels, the utiuoSt care aust be taken in order thet working and other personnel be not exposed to excessive radistion nor thot the. dry-dock itself be contaminated, Contanin.ted debris must be carefully collected .nd disposed of by dumping at sea beyona the ten mile limit or 100 fathom curve. The dock must be, washed down continuously durin, such operations. Sand blasting mst dene ~ by the wet fiethod, Sand and debris must -be collected una Guuips at sea, - CONFIDENTIAL Hn ; acid baths cr other waste solutions u Ie cleanin, salt we systems or decont aninsting other materials must be “carefully monitored end the conteninsted waste duped at sez, all machinery ond equipuent including hind tocls used in working on these tarzet vessels should be monitored and decon~ tcidnated when this is possible, when they cannot be rendered safe by deconteinstion, they will be properly safeguerded or disposed of ct sen as may: be necessary, 9. NON-R.LVIOGLOGIC..L HaZaARDS. (a) While exposure to radiocetivity must always be regarded as tht chief hagerd in working on the Bikini Target Vessels, it wust nevertheless be Tewaibercd thet other hazards peculiar to d-iaged ships will exist at the saue tine, It is not desired 2t this tise to ke extensive reference to precautions to be used against noxious.,cses, lack of oxygen, explosive hazards, etc., as this his been cdequately and extensively covered elsewhere ond is a doctrine with which nearly #11 naval personnel sre nore or less fasiliar, Precsutions vutlined in CJTF-1 Op Flen 1-46 cre still valid snd Conic-nding Officers will sec that the -10- f CER

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