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- Associate Editor, Petroleum Science (SCI; 1/1/2017–12/31/2018)
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- Co-Editor-in-Chief, Marine and Petroleum Geology (SCI; 3/1/2017–12/31/2019); handle ~600 manuscripts annually
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- Section Editor in Petrophysics and Inorganic Geochemistry, Marine and Petroleum Geology (SCI; 4/9/2016–2/28/2017); handle ~100 manuscripts annually
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- Associate Editor, AAPG Bulletin (SCI; 1/1/2016–12/31/2017; 1/1/2018–12/31/2019)
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- Associate Editor, Vadose Zone Journal (1/1/2014 to present)
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- Associate Editor, Journal of Earth Science (7/1/2013 to present)
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- Associate Editor, Journal of Contaminant Hydrology (8/1/2010 to present)
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- Editorial Board Member, Journal of Environmental Radioactivity (10/1/2007 to present)
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- SPE eMentoring Program mentor, for a student of United Arab Emirates, April 11, 2014 to April 11, 2015.
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- Judge of 40 presentations, 2014 AAPG Annual Convention and Exhibition, Houston, TX, April 6-9, 2014.
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- Faculty Advisor, Student Chapter, Association of Environmental and Engineering Geologist, University of Texas at Arlington.
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- Member, International Scientific Committee, As 2014: 5th International Congress on Arsenic in the Environment. Buenos Aires, Argentina, May 11–16, 2014.
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- One of Hydrology Session Liaisons for Outstanding Student Paper Award (OSPA), American Geophysical Union Fall Meeting, San Francisco, CA, Dec. 9–13, 2013.
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- Lead convener, session “Pore Structure, Fluid Flow, and Mass Transport in Porous Media”, American Geophysical Union Fall Meeting, San Francisco, Dec. 9–13, 2013.
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- Member, Shale Network (a network of shale water researchers), funded by NSF and coordinated by PSU, Univ. of Pittsburg, Dickson College and CUASHI, since Jan. 2013.
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- Executive Member, Security Advances via Applied Nano-Technology (SAVANT), the University of Texas, Arlington, Nov. 2012 to present.
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- Chair, Theme Session “Nano-petrophysics and Fluid Flow in Porous Media”, 47 Annual Meeting of Geological Society of America South Central Section, Austin, TX, April 4-5, 2013.
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- Member, College of Science Representative, “Professional e-Learning Community (PLC) – Connected to Learning: Technology for Engagement and Retention”, The University of Texas at Arlington, academic year of 2012-2013 (with biweekly programs and two out-of-state attendances of teaching conferences).
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- One of three international panelists, radio show of “Brownfield Development and Soil Remediation”, China Radio International, March 22, 2012.
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- Judgein Environmental Sciences, 61th annual Fort Worth Regional Science and Engineering Fair, Arlington Convention Center, Feb. 27, 2012.
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- Expert interviewee, TV report of “Wyoming town fears fracking poisoned their water” by James Douglas of WFAA, Feb. 10, 2012. http://www.wfaa.com/news/health/fracking-fear-spreads-139058479.html
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- Judgein the undergraduate student posters, UTSystem Louis Stokes Alliance for Minority Participation (LSAMP) Summer Research Academy conference, The University of Texas at Arlington, Arlington, Sep. 16, 2011.
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- Judgein Environmental Sciences, 60th annual Fort Worth Regional Science and Engineering Fair, Arlington Convention Center, Feb. 21, 2011.
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- Judge, Annual Celebration of Excellence by Students (ACES) in 2010, The University of Texas at Arlington, Arlington, March 25, 2010.
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- Alternate Member Representative, Consortium of Universities for the Advancement of Hydrologic Science, Inc. (CUAHSI)(September 2010 to present).
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- Member Representative, Consortium of Universities for the Advancement of Hydrologic Science, Inc. (CUAHSI) (Sep. 2008 to Sep. 2010).
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- Member, International Organizing Committee, 3rd International Conference on Soil Pollution and Remediation, Nanjing, China, October 18-21, 2008.
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- Member, Standing Peer Review Committee, Environmental Molecular Sciences Laboratory (EMSL, a national collaborative user facility at the PacificNorthwestNationalLaboratory), (November 2006 to present).
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- Lead organizer, special symposium “Fate and Transport of Radionuclides in the Environment” in the 9th International Conference on the Biogeochemistry of Trace Elements in 2007; secured financial support from the International Atomic Energy Agency (IAEA) and International Union of Radioecology (IUR) to support a number of graduate students and participants from developing countries of IAEA’s Member States to attend the present research findings in the symposium.
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- International Committee Member, International Society of Trace Element Biogeochemistry, (2005 to present).
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- Member, International Planning Team for Long-Term Diffusion Test at Grimsel Test Site, National Cooperative for the Disposal of Radioactive Waste (Nagra), Switzerland,(January 2004 to present).
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- Judge, Hydrology Section Outstanding Student Paper Award, AGU Fall Meeting, San Francisco, 2004.
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- Special session organizer / chair, American Geophysical Union Fall Meeting, 2004.