Method development for tritium measurements and initial evaluation of tritium data for tree transpirate from a legacy waste site in eastern Australia

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dc.contributor.authorTwining, JRen_AU
dc.contributor.authorCreighton, NMen_AU
dc.contributor.authorHarrison, JJen_AU
dc.contributor.authorHoffmann, ELen_AU
dc.contributor.authorNeklapilova, Ben_AU
dc.contributor.authorVine, Men_AU
dc.date.accessioned2023-01-27T01:54:03Zen_AU
dc.date.available2023-01-27T01:54:03Zen_AU
dc.date.issued2008-11-25en_AU
dc.date.statistics2022-02-01en_AU
dc.description.abstractTritium (3H), as tritiated water, was one of the radioactive substances placed into the trenches located within the former waste disposal site known as the Little Forest Burial Ground (LFBG). This site is located in the 1.6 km exclusion zone surrounding ANSTO the previous research reactor, HIFAR, south of Sydney. Tritium will behave conservatively in regard to any seepage from the site of deposition, and therefore should be a good indicator of groundwater movement at the site. Water is also a vital requirement of plants on the site. Hence, it was proposed that analysis of the tritium content of shrubs and trees may be a useful means to assess and access the biologically available 3H. In addition, it should provide an indication of potential exposure for environmental dose assessment, not only for 3H but also for the other radionuclides potentially migrating with the water from the trenches. To test these ideas, sampling of tree transpirate at LFBG has been initiated. In order to utilise measurements of 3H in transpirate as a monitoring tool, some method development has been required. Relatively small sample volumes have required atypical preparation methods and sample quenching has been an issue. There is also a need to consider background concentrations, given that the HIFAR reactor at the Lucas Heights Research Reactor has emitted 3H to the local environment for several decades. Results of sampling and analysis since July 2007 Will be presented and each of these issues will discussed in this initial report.en_AU
dc.identifier.citationTwining, J., Creighton, N., Harrison, J., Hoffmann, E., Neklapilova, B., & Vine, M. (2008). Method development for tritium measurements and initial evaluation of tritium data for tree transpirate from a legacy waste site in eastern Australia. Paper presented to SPERA 08, South Pacific Environmental Radioactivity Association Conference, University of Canterbury, Christchurch, New Zealand, 23-27 November 2008, (pp. 40).en_AU
dc.identifier.conferenceenddate27 November 2008en_AU
dc.identifier.conferencenameSPERA 08, South Pacific Environmental Radioactivity Association Conferenceen_AU
dc.identifier.conferenceplaceChristchurch, New Zealanden_AU
dc.identifier.conferencestartdate23 November 2008en_AU
dc.identifier.pagination40en_AU
dc.identifier.urihttps://apo.ansto.gov.au/dspace/handle/10238/14555en_AU
dc.language.isoenen_AU
dc.publisherSouth Pacific Radioactivity Associationen_AU
dc.subjectTritiumen_AU
dc.subjectDataen_AU
dc.subjectANSTOen_AU
dc.subjectRadioactive waste disposalen_AU
dc.subjectHIFAR Reactoren_AU
dc.subjectNew South Walesen_AU
dc.subjectAustraliaen_AU
dc.subjectRadionuclide migrationen_AU
dc.subjectSamplingen_AU
dc.subjectEnvironmenten_AU
dc.subjectGround wateren_AU
dc.subjectTreesen_AU
dc.subjectTranspirationen_AU
dc.titleMethod development for tritium measurements and initial evaluation of tritium data for tree transpirate from a legacy waste site in eastern Australiaen_AU
dc.typeConference Abstracten_AU
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