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6   |   SRNS TODAY   |   DECEMBER 2019

        A lifetime of scientific excellence

        Dr. Christine Langton honored with 2019 Donald Orth Award

        Dr. Christine Langton is the 2019 recipient of the SRNL Donald Orth   experimental results that further the mechanistic understanding of
        Lifetime Achievement Award for her work in cementitious materials   material performance under realistic exposure conditions to field
        science to stabilize radioactive waste and nuclear materials.   implementation strategies and planning.
        The award was announced during the laboratory’s recent annual   Her expertise as a consultant has been applied throughout the DOE
        recognition event—SRNL Celebration of Success—where more than   Complex and the world, including Japan, Australia, Canada, China and
        100 researchers, engineers, scientists and mission support personnel   Brazil. As part of a team of SRNL nuclear cleanup experts assisting
        were recognized for scientific and technical excellence. More than 60   Tokyo Electric Power Company to develop and deploy strategies
        SRNL patent winners were also acknowledged during the event.   to enable recovery from the Fukushima Daiichi Nuclear Power Plant
        The Orth Award is the highest honor given by the laboratory for   accident, Dr. Langton served as principal advisor on the use of
        technical excellence and leadership. Established in 1993, the award   cement to seal leaks into and out of the damaged reactors.
        was named for the late Dr. Donald Orth, who retired from SRNL in   Dr. Langton’s recent focus has been in reducing the danger
        1992 after a distinguished 41-year career. The award was created to   associated with nuclear waste inventory in nuclearized and non-
        honor an individual “who by character and leadership best exemplifies   nuclearized countries with small amounts of radioactive waste and
        Dr. Orth’s character and contributions.”                limited or no radioactive waste disposal capabilities. In this capacity,
        “For many years, Dr. Langton’s expertise in cementitious materials   Dr. Langton and an SRNL team supported efforts in Brazil for
        science has been instrumental in the success of some of the most   borehole disposal of sealed sources.
        challenging site, national and international nuclear risk reduction   In 2016, Dr. Langton was presented with the Fred C. Davison
        efforts,” said SRNL Laboratory Director Dr. Vahid Majidi.   Distinguished Scientist Award from Citizens for Nuclear Technology
        Dr. Langton is internationally recognized as an expert in designing   Awareness. She has also been recognized for participation in the
        innovative materials and processes for treating radioactive waste and   International Atomic Energy Agency missions on radioactive waste
        specialty grouts and concretes for radioactive waste tank closure and   treatment, next generation fuel cycle waste management, low-
        nuclear facility deactivation and decommissioning projects.   and intermediate-level waste conditioning for final disposal, and
                                                                technology for waste treatment training for China.
        She has provided solutions to legacy waste management problems
        at SRS and numerous other DOE sites. Her contributions range from
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