Life cycle timeline consisting of 6 various stages of status (Pre-Licensing, Licensing, Construction, Operating, Operating with Intent to Decommission, Decommissioning) with the current status(s) shown in color, and the other available status are greyed out

Photograph of Aerotest Research & Test Facility Location: San Ramon, CA
License Number: R-98
Docket Number: 05000228
Operating License Issued: 07/02/1965
Reactor Type: TRIGA
Power Level (kW): 250

This information is not available at this time.

1.0 Site Identification

Type of Site: Commercial Research Reactor
Location: San Ramon, CA
License No.: R-98
Docket No.: 05000228
License Status: SAFSTOR
Project Manager: Jack Parrott

2.0 Site Status Summary

The Aerotest Radiography and Research Reactor (ARRR) is a 250 kilowatt-thermal Training, Research, Isotope, General Atomics (TRIGA) research reactor. The ARRR provides a neutron source for research and development and services, mainly neutron radiology. Irradiation services for activation analyses have included: crude oil and hydrocarbon samples for oil companies; plastic slides impregnated with microscopic quantities of fissionable materials; ocean silt samples for the Bureau of Mines; and, silver iodide in snow samples from cloud seeding. Other irradiation services have included: calibration of power reactor fission detectors; radiation damage effects studies of solid state electronic components; detection of gunshot residue in paraffin; lattice deformation studies in ammonium perchlorate; and, spallation experiments with uranium dioxide (ADAMS Accession No. ML14164A742).
The ARRR operated from 1965 until it was shut down on October 15, 2010, as documented in NRC Non-Routine Inspection Report No. 50-228/2010-203, dated December 6, 2010 (ADAMS Accession No. ML103340011). All fuel was removed from the reactor core in 2012, as documented in NRC Non-Routine Inspection Report No. 50-228/2012-204, dated August 14, 2012 (ADAMS Accession No. ML12213A001). However, Aerotest continues to own, possess, and store TRIGA fuel elements at the ARRR under Facility Operating License No. R-98.

3.0 Major Technical or Regulatory Issues

The licensee was issued a possession-only license on December 6, 2021. A decommissioning plan was submitted by the licensee on July 20, 2021. It is under review by NRC.

4.0 Estimated Date For Closure


Page Last Reviewed/Updated Monday, March 13, 2023