1. Radiation Readings - TAKUYO MARU Date: 7-26-58 Instrument: MX-5 Beta-Gamma Geiger Counter #1146 Background ashore: 2200 hours 25 July 1958: 0.06-0.07 mr/hr Beta-Gamma All readings on exposed outer surface unless noted. in contact with the surface. Beta shield open. Probe held almost Only maximum reading location Forecastle - Exposed Top of hatch - steel painted Anchor winches - canvas cover Winch Rope coil on deck Wet bumper coil Canvas cover over steel cable Forepeak Spaces = Enclosed Fe recorded over each area examined. 0.07 0.08 0.05 0.07 0.07 0.07 Peint locker Stowage locker 0.03 0,02 Deck awning (in place on 1th) 0.09 Chain locker Coil fire hose Forward Deck - Exposed 0.05 Rolled up at Winch cover - canvas Oily surfaces around winch Deck surfaces - wood = portside 0.09 0.07 0.05 to 0.09 ‘Deck surface - wood - starboard 0.08 Windlass cover — canvas Wooden bench Boat Deck = Exposed life raft cover - painted fabric 0.09 0.11 0.06 Reel steel cable - canvas cover Deck surface - wood = aft 0.05 0.12 Lifeboat —- canvas top ~ aft - starboard 0.10 Winch cover - rubberized material Engine room ventilator area Lifeboat - canvas top - forward - port Vegetable locker - painted canvas ) 0.07 time of reading) 0.08 0.06 0.09 0.08 This had not) been cleaned)