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URL: https://forensicscience.llnl.gov/research/forensics-lab/opcw
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 1. Home
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 3. FSC in the Lab
 4. Organisation for the Prohibition of Chemical Weapons


ORGANISATION FOR THE PROHIBITION OF CHEMICAL WEAPONS

In accordance with the Chemical Weapons Convention (CWC), the Organisation for
the Prohibition of Chemical Weapons (OPCW) leads international inspections and
investigations and enforces the CWC Treaty. Since first achieving certification
in 2003, LLNL is one of just two U.S. laboratories accredited by the OPCW to
analyze environmental samples from suspected chemical weapon production
facilities. We are also one of four U.S. laboratories certified since 2017 to
analyze biomedical samples in support of chemical weapon agent (CWA) exposure
assessments.  Our work in improving analysis methodologies for detecting as well
as developing environmental, safety, and health protocols for handling and
synthesizing CWAs has made the FSC a valuable resource in eradicating chemical
weapons.

The FSC is expected to achieve high scores on OPCW’s annual proficiency tests,
averaging “AAB” grades or better. In 2022, the FSC earned its thirteenth
consecutive “A” grade [delete old Newsline link or insert most recent Newsline
article from from the OPCW. “Says FSC Director Audrey Williams, “Our work with
OPCW is both exciting and technically challenging. This work is a great
opportunity to apply the state-of-the-art chemical analysis capabilities of the
FSC in support of an important international organization supporting the
prohibition of chemical weapons around the globe. Earning an ‘A’ grade for
thirteen consecutive environmental proficiency tests is an impressive feat that
demonstrates the experience, skill, and dedication of our FSC team.”

Maintaining this accreditation requires the successful completion of complex,
fast-turnaround proficiency tests to identify the contents of samples spiked
with unknown chemical compounds. Striving for success, even when the tests
become more difficult each year, pushes FSC staff to continually extend the
Center’s capabilities in analytical chemistry. The FSC must be able to detect
minute amounts of chemical warfare agents, precursor compounds, and their
decomposition products. Learn more about the rigorous certification process.

--------------------------------------------------------------------------------


FOR FURTHER READING

 1. Trocylation of 3-quinuclidinol, a key marker for the chemical warfare agent
    3-quinuclidinyl benzilate, for its enhanced detection at low levels in
    complex soil matrices by electron ionization gas chromatography-mass
    spectrometry, C.A. Valdez et. al. 2021, Rapid Comm. Mass Spectrom. 35 (15),
    e9123, https://doi.org/10.1002/rcm.9123(link is external)
 2. Analysis of Organophosphorus-Based Nerve Agent Degradation Products by Gas
    Chromatography-Mass Spectrometry (GC-MS): Current Derivatization Reactions
    in the Analytical Chemist's Toolbox. C. A. Valdez and R.N. Leif, 2021,
    Molecules 26 (15), 4631, https://doi.org/10.3390/molecules26154631(link is
    external)
 3. Acylation as a successful derivatization strategy for the analysis of
    pinacolyl alcohol in a glycerol-rich matrix by GC-MS: application during an
    OPCW Proficiency Test, C.A. Valdez et. al. 2021, Anal. Bioanal. Chem.
    413(12), https://doi.org/10.1007/s00216-021-03296-6(link is external)
 4. Methylation protocol for the retrospective detection of isopropyl-,
    pinacolyl- and cyclohexylmethylphosphonic acids, indicative markers for the
    nerve agents sarin, soman and cyclosarin, at low levels in soils using
    EI-GC-MS, Valdez et. al. 2019, Sci. Total Environ.  683, 175-184,
    https://doi.org/10.1016/j.scitotenv.2019.05.205(link is external)

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