U.S. S. CREE (ATF-84)} % FLEET POST OFFICE SAN FRANCISCO, CALIFORNIA _ ATF @&/JMRitjp A-~4 Ser: 144-58 ENCLOSURE ONEbn no rn conprote? ~ 1 12 June 1958 ~J| To: From: Commanding Officer, U.S.S. CREE (ATF &) Commander, Task Group 7.3 Subj: Final Radiological Safety Report; submission of Reft (a) CTG 7.3 INST 03401.1A (b) CTG 7.3 Operation Plan No. 1-58 1. In accordance with references (a) and (b) the final Radiological Safety Report is hereby submitted as enclosure (1) to the final Report of Operation Hardtack. (1) Evaluation of performance and efficiency of water washdown system, | Actual use of the system was only necessary once, and in this case was found to be 95% effective. Performance was good. (2) Radiac Equipment performance. The only equipment used by this vessel was the 27F. No operational difficulties occurred and the training methods were satisfactory. Reading requirements were felt to be a little high (while in port) thus battery supply was a problem, (3) Effectiveness of decontamination materials, equipment and procedures. Necessary decontamination was almost non existent, and procedures were all found to be adequate, Materials, equipment (4) Evaluation of radiological safety training. At least 60% of this vessels crew attended shore based Rad-Safe schools prior to leaving CONUS, Lectures were also given by ships personnel while enroute EPG, but no training was received from CTG 7.3 upon arrival Eniwetok. Training was found to be adequate for all phases of the operation. J. Me. RealD, LT, USN

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