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ASTM Water Committee develops standard for Carbon-14 sampling.
Press Release Summary:
Jun 25, 2012 - Proposed standard ASTM WK36397, Practice for Sampling of C-14 in Gaseous Effluents, is being developed by Subcommittee D19.04 on Methods of Radiochemical Analysis. Standard will help nuclear power plants, as well as other facilities at which fission reactions or spent fuel processing takes place, measure radionuclide carbon-14 in gaseous effluents as required by U.S. Nuclear Regulatory Commission. Interested participants are invited to contribute to development of ASTM WK36397.
Original Press Release
ASTM Water Committee Developing Standard for Carbon-14 Sampling
Press release date: Jun 21, 2012
The proposed standard, ASTM WK36397, Practice for Sampling of C-14 in Gaseous Effluents, is being developed by Subcommittee D19.04 on Methods of Radiochemical Analysis, part of ASTM International Committee D19 on Water.
According to Robert Litman, Ph.D., an independent consultant and D19 member, the chemical form of carbon-14 in effluents may be organic (as short chain aliphatic hydrocarbons), inorganic (as carbon dioxide) or as particulate matter. It is essential to know which form of C-14 is being released.
"Originally, it was assumed that all C-14 was released as inorganic carbon, which can have significant uptake locally to where it is released," says Litman. "Through measurements at several different nuclear facilities using this proposed standard practice, and other practices similar to it, it was discovered that the chemical form of C-14 may be as high as 95 percent organic carbon, which has a lower dose consequence compared to inorganic carbon."
Interested participants are invited to contribute to the ongoing development of ASTM WK36397.
ASTM International welcomes participation in the development of its standards. For more information on becoming an ASTM member, visit http://www.astm.org/JOIN.
ASTM International is one of the largest international standards development and delivery systems in the world. ASTM International meets the World Trade Organization (WTO) principles for the development of international standards: coherence, consensus, development dimension, effectiveness, impartiality, openness, relevance and transparency. ASTM standards are accepted and used in research and development, product testing, quality systems and commercial transactions.
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