Neutron dosimetry with solid-state track recorders in the three-mile island unit-2 reactor cavity

Management of the Three Mile Island Unit 2 Accident Corium and Severely Damaged Fuel Debris (Rev. 2)

“…The parameter being measured was fission rates of fissile 235 U, 239 Pu and 237 Np. (Gold, 1985. ) Other efforts to measure the mass of fuel in the lower head included insertion of a Westinghouse miniature ionization detector into the core through one of the accessible in-core detector tubes on the bottom of the reactor pressure vessel.…”