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Extra info for Summary of Accidents, Injuries in Atomic Energy Activities [Jun 1945 - Dec 1955]

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I t i s d i f f i c u l t f o r operators t o understand a l l the complexities and hazards of modern plants. Compounding this problem i s the operator's dependence on instruments which sometimes f a i l . The c l o s e s t possible supervision must be employed. Chemical Processing Plant, Idaho F a l l s Jan. , Nature of Incident Over 1,500 gallons of uranyl n i t r a t e hexahydrate solution spilled when a tank t r a i l e r overturned. i Description of m e r a t i o n An intra-plant t r a n s f e r of Before s t a r t i n g out, the d r i v e r found t h a t those on t h e t r a i l e r he decided t o go ahead with the UNH was being made i n a tank t r a i l e r .

Oxygen masks and other protective equipment were required due t o the plutonium hazards. Qualified radiological monitoring personnel were present and took necessary measures t o ensure t h a t procedures devised f o r fighting f i r e s involving plutonium were followed and t h a t a l l personnel and equipment were thoroughly surveyed andckcontaminated prior t o r e l e a s e from the area. Considerable d i f f i c u l t y was experienced i n extinguishing the blaze i n the hood f i l t e r s .

Nature of I n j u r i e s o r Loss No one was injured. Decontamination work was necessary throughout the back of the reactor. Some of the surrounding countryside was s l i g h t l y contaminated t o a distance of several hundred feet. The exact cause of the f i r e i s not known. I t i s suspected t h a t a pocket of a i r ahead of the water picked up uranium dust. Hanford Nov. 1, 1955 1 - 47 - PLUTONIUM FIRE* Nature of Incident A f i r e involving a quantity of plutonium turnings. Nature of Operation The turnings were loaded i n t o combustible containers, which were placed i n a p l a s t i c bag.

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Summary of Accidents, Injuries in Atomic Energy Activities [Jun 1945 - Dec 1955]


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