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Investigation of the range of carbon and hydrogen isotopes within a global set of gasolines

O'Sullivan, Gwen and Kalin, Robert (2008) Investigation of the range of carbon and hydrogen isotopes within a global set of gasolines. Environmental Forensics, 9 (2-3). pp. 166-176.

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Abstract

This study examined the range of carbon and hydrogen isotopes within a global set of gasolines to investigate the potential and limitations of isotopic analysis within environmental assessments of gasoline-contaminated sites. Bulk carbon and hydrogen isotope signatures within gasolines from the study had a range greater than 8 parts per thousand and 85 parts per thousand, respectively. The combination of both isotopes produced a highly discriminating two-dimensional (2D) isotope fingerprint, highlighting the potential of 2D fingerprinting to differentiate gasoline sources. Compound-specific carbon isotope analysis was also completed to investigate its application as a method for risk-based management and environmental forensics.