A Reassessment of Complementary Access Tools for Chemical Indicators
- Brookhaven National Lab. (BNL), Upton, NY (United States). Nonproliferation and National Security Dept.
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
The Complementary Access Working Group (CAWG) was set up as a multi-laboratory team with members from Brookhaven National Laboratory (BNL), Idaho National Laboratory (INL), Los Alamos National Laboratory (LANL), and Sandia National Laboratories (SNL) under the direction and funding provided by National Nuclear Security Administration (NNSA) through NA-241, Next Generation Safeguards Initiative (NGSI). During FY 13 the CAWG evaluated proliferation indicators based largely on a review of the 1996 version of the IAEA’s Physical Model (Phase 1). During FYs 13 and 14, the CAWG then selected technologies and specific portable and hand-held devices that could be used by the IAEA to identify the chemical compositions of materials found during complementary access (Phase 2). [Note that in this report “chemical” is used in a broad sense to include elements, metals, and alloys as well as chemical compounds.] In November 2014, the CAWG issued its Phase 3 report describing laboratory and field testing of three devices, each device representing a specific technology that the CAWG had selected as a result of the Phase 1 and Phase 2 activities. LANL and BNL continued measurements and analysis during FY15, leading to a reinterpretation of some of the Phase 3 results. This report serves a twofold purpose. The first section of the report compares and contrasts the Phase 3 testing with presently available preliminary results of the Karlsruhe workshop. The results of Phase 3 (and the reinterpretation of some of these results) as well as the preliminary results of the Karlsruhe workshop provide the rationale for the second section of this report. In Section 2 of this report, we revisit the combinations of signatures and technologies considered in Phases 2 and 3 of the CAWG effort. We do this to determine whether the three technologies and the matching instruments selected for the Phase 3 testing are more limited than initially thought. Based on this initial re-evaluation of the technologies considered under Phase 2, we provide a preliminary re-ranking of the suggested tools for detection of chemical indicators during complementary access.
- Research Organization:
- Brookhaven National Lab. (BNL), Upton, NY (United States)
- Sponsoring Organization:
- USDOE National Nuclear Security Administration (NNSA), Office of Defense Nuclear Nonproliferation
- Contributing Organization:
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
- DOE Contract Number:
- SC0012704
- OSTI ID:
- 1302993
- Report Number(s):
- BNL-112144-2016; TRN: US1601785
- Country of Publication:
- United States
- Language:
- English
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