Intercomparison of methods for sampling and analysis of atmospheric mercury species |
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| Institution: | 1. IVL Swedish Environmental Research Institute, P.O. Box 47086, S-402 58 Göteborg, Sweden;2. CNR-Institute for Atmospheric Pollution (CNR-IIA), c/o: UNICAL, 87036 Rende, Italy;3. CNR-Institute of Biophysics (CNR-IB), Via S. Lorenzo 26, 57127 Pisa, Italy;4. GKSS Research Centre, Institute of Physical and Chemical Analysis, Max-Planck-Street, D-21502 Geesthacht, Germany;5. Inorganic Chemistry, Department of Chemistry, Göteborg University, S-412 96 Göteborg, Sweden;6. The University of Michigan Air Quality Laboratory, Ann Arbor, MI 48109, USA;7. Environmental Sciences Division, Oak Ridge Laboratory, P.O. Box 2008, Oak Ridge, TN 37831, USA;8. Environment Canada, Atmospheric Environment Service, 4905 Dufferin Street, Downsview, On Canada M3H 5T4;9. Environmental and Water Resources Engineering, Technion, Israel Institute of Technology, Haifa 32000, Israel;10. Frontier Geosciences Ltd., 212 Pontius North, Seattle, WA 98109, USA;11. FL Dept. Environmental Protection at US Environ. Protection Agency, Res. Triangle Park, NC 27711, USA;12. Department of Chemistry, Earlham College, National Road West, Richmond, IN 47374, USA;13. Middle East Technical University, Department of Environmental Engineering, Inonu Bulvari, 06531 Ancara, Turkey;14. Institute of Physics, A. Gostauto 12, Environmental Research Department, 2600 Vilnius Lithuania;1. Dipartimento di Matematica e Geoscienze, Università Degli Studi di Trieste, Via Weiss 2, 34128, Trieste, Italy;2. ARPA FVG Agenzia Regionale per La Protezione Ambientale Del Friuli Venezia Giulia, Via Cairoli 14, Palmanova, Udine, 33057, Italy;3. Lumex-marketing, St. Petersburg, 195220, Russia;1. Universidade Federal Fluminense, Programa de Pós Graduação em Geociências (Geoquímica), Niterói, 24020-141, RJ, Brazil;2. Universidade Federal do Ceará, Instituto de Ciências do Mar, Fortaleza, 60165-081, CE, Brazil |
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| Abstract: | An intercomparison for sampling and analysis of atmospheric mercury species was held in Tuscany, June 1998. Methods for sampling and analysis of total gaseous mercury (TGM), reactive gaseous mercury (RGM) and total particulate mercury (TPM) were used in parallel sampling over a period of 4 days. The results show that the different methods employed for TGM compared well whereas RGM and TPM showed a somewhat higher variability. Measurement results of RGM and TPM improved over the time period indicating that activities at the sampling site during set-up and initial sampling affected the results. Especially the TPM measurement results were affected. Additional parallel sampling was performed for two of the TPM methods under more controlled conditions which yielded more comparable results. |
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