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Please use this identifier to cite or link to this item: http://apo.ansto.gov.au/dspace/handle/10238/202

Title: Environmental and effluent monitoring at ANSTO sites, 2004-2005.
Authors: Hoffmann, EL
Loosz, T
Ferris, JM
Harrison, JJ
Issue Date: Nov-2005
Publisher: Australian Nuclear Science and Technology Organisation
Abstract: This report presents the results of ANSTO's environmental and effluent monitoring at the Lucas Heights Science and Technology Centre (LHSTC) and the National Medical Cyclotron (NMC) sites, from July 2004 to June 2005. Effective doses to the critical group of members of the public potentially affected by routine airborne emissions from the LHSTC were less than 0.005 mSv/year. This estimated maximum potential dose is less than 24% of the ANSTO ALARA objective of 0.02 mSv/year, and much lower than the public dose limit of 1 mSv/year that is recommended by the Australian Radiation Protection and Nuclear Safety Agency (ARPANSA). The effective doses to the critical group of members of the public potentially exposed to routine liquid effluent releases from the LHSTC have been realistically estimated as a quarter (or less) of the estimated doses to the critical group for airborne releases. The levels of tritium detected in groundwater and stormwater at the LHSTC were less than those set out in the Australian Drinking Water Guidelines. The airborne and liquid effluent emissions from the NMC were below both the ARPANSA-approved notification levels and Sydney Water limits for acceptance of trade wastewater to sewer. Results of environmental monitoring at both ANSTO sites confirm that the facilities continue to be operated well within regulatory limits. ANSTO's routine operations at the LHSTC and NMC make only a very small addition to the natural background radiation dose of ~1.5 mSv/year experienced by members of the Australian public.
URI: http://apo.ansto.gov.au/dspace/handle/10238/202
ISBN: 1920791051
ISSN: 1030-7745
Appears in Collections:Scientific and Technical Reports

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