<-> — 7 matte--- aes : . art ‘aufero. * Ue Se SoBIRR (CVE-115) Fleet Post Office ; . hy Sen FraneisGog . Calif ornia . BODTELM Sert O10 ro lu MR 19% us . Froms Coamanding Officer Tos Coumandor Task Group 7.3 Subjs Ref: Radioactive contamination;’ summary of for period Jn 6 March 1954 a) Appendix IV to Annex G, CIO 7,3 OpPlan 1-53 , 3 CO, USS BAIROKO (CVE-LIS) eeeLtr Minh ser 008 of 7 Kar 195k Encle . £2} Tabulation of average intensitice topside Copy of reference (b)} I. Im accordance with reference (a) the following repays of radicactive contamination is submitted for the period $8 Merch 19545 Referense (b) Frente’.4,Tepers of contamination ant decontamination efforte oe 2 and 2. it 0830 on 3 March 1954 this ship entered SIKINE TOL, and anchored in verth N-§. Helicopter operationa were condusted throughout the day The canvas bath tub for decontasination of aireref® was rigged on the ight deck, aft of muaber two elevator and all returning aireraft that had landed on the atoll were landed in the tub for monitoring and webdow with fresh water. Passengers were debarked in the tub, monitored, and prosessed through the forward personnel decontamination station, if necessary, No further efforts werenade to decontaninate the flight deck, however, several details were busy all day cleaning cut See aoek Greine where high rediaticn reading were noted. The average intensity in these areing wae bevee and 100 milli roentgen per hour (gemma only) with one reading as high as $00 milli roentgen par hour (gamma ool alyStoppages in these draing were 3. Decontamingtion work on the port ond starboard gun sponsons was started after anchoring on 3 March 1954. The methods employed included hosing dow with high pressure fire hoses, hosing and serubbing with salt water and wiping down with fresh water. Number one motor whaloboat was decontaminated with a soap and water scrub dow followed by a fresh water wipe dom. . The 20 MM gun and gun director canvas covers registered high radiation in spots where water from previcus wash downs had collected in pools. By hosing and scrubbing with soapy water, the intensity of all canvas covers was reduced below 20 milli roentgen per hour (germa only). The covers were then stowed ina void on the fantail to allow the intensity to reduce by natural decay. The average deck intensity on the starboard sponsons was reduced be INCLO 1% 8 Ke55~IV(1)"