SSFL Area IV – KEWB Reactor

The Kinetics Experiment Water Boiler (KEWB) reactor was the first nuclear reactor to be operated at the Santa Susana Field Laboratory. It was a small research reactor, using a water solution of uranyl sulfate as its nuclear fuel. Two different cores were used: the first core was a spherical tank, and the second was a cylindrical tank. It was last operated in 1966 and, two years later, the fuel was drained and the system rinsed. The dismantling of the KEWB began in January 1975 and its closure detailed here.

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