title: Reply to Gulson's comments on 'Tracing changes in atmospheric sources of lead contamination using lead isotopic compositions in Australian red wine'.
authors.affiliation: Department of Environmental Sciences, Faculty of Science and Engineering, Macquarie University, Sydney, North Ryde, NSW 2109, Australia; Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, CA 92093, USA. Electronic address: lkristensen@ucsd.edu.
authors.forename: Louise Jane
authors.initials: LJ
authors.lastname: Kristensen
authors.affiliation: Department of Environmental Sciences, Faculty of Science and Engineering, Macquarie University, Sydney, North Ryde, NSW 2109, Australia; Macquarie University Energy and Environmental Contaminants Research Centre, Sydney, North Ryde, NSW 2109, Australia.
authors.forename: Mark Patrick
authors.initials: MP
authors.lastname: Taylor
authors.affiliation: National Measurement Institute, Department of Industry, Innovation and Science, 105 Delhi Road, North Ryde, NSW 2113, Australia.
authors.forename: Andrew James
authors.initials: AJ
authors.lastname: Evans
mesh_terms: D000393:Air Pollutants / Q000032:analysis; D001315:Australia; D004784:Environmental Monitoring; D006801:Humans; D007554:Isotopes / Q000032:analysis; D007854:Lead; D014920:Wine / Q000032:analysis*
chemical_list: D000393:Air Pollutants; D007554:Isotopes; D007854:Lead
keywords: Atmospheric emissions; ICP-MS; Lead isotopes; Lead petrol; Wine