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Amaral HIF, Berg M, Brennwald MS, Hofer M, Kipfer R. 13C/12C Analysis of Ultra-Trace Amounts of Volatile Organic Contaminants in Groundwater by Vacuum Extraction. Environ. Sci. Technol. 2009 Dec 30;44(3):1023–9. doi: 10.1021/es901760q. |