| Summary: | Approved for public release, distribution unlimited === The gases produced by irradiation of the polyethylene moderated fuel used in the AGN-201 reactor at the Naval Postgraduate School were analyzed for both radioactive and non-radioactive species. The hydrogen content of the gases is higher than that reported in the literature for the radio-induced degradation of polyethylene. Radioactive species identified are Kr85m, Kr87, Kr88, Xe133m, Xe133, Xe135, Xe138, I131, and Cs138. Trace quantities of krypton and xenon were successfully separated without isotopic dilution using gas-solid chromatography.
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