The UCI Nuclear Reactoris operated by the Department of Chemistry for use in radiochemistry applications. The reactor is a 250 kilowatt steady-state power Mark I TRIGA reactor built by General Atomics. Pulsing is possible to about 1000 megawatts if needed. TRIGA reactors are water and zirconium hydride moderated to be especially safe for training and research purposes. Fuel is uranium enriched to 20% in U-235.