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29th International Conference on Environmental Geochemistry and Health - Report from Toulouse

08 September 2013


The 29
th International Conference on Environmental Geochemistry and Health was held in Toulouse from July 8th to 12th 2013. More than 160 scientists from 36 countries attended the conference and presented their work to their colleagues. Moreover more than 90 new SEGH members were made during the week. Prestigious keynote speakers such as J. Nriagu, M. Cave, A. Kappler and R. Mason contributed to the high level of the conference, most of them participating actively in our three special sessions dedicated to arsenic in the Environment, mercury biogeochemistry and metal bioaccessibility. Springer and the SEGH awarded several students for their outstanding oral and poster presentation. Follow them soon on the SEGH website to (re-) discover their work!


The social events like the icebreaker, the typical South West banquet diner, the student off events and two exciting excursions in the Pyrénées Mountains completed the French tableau for a full experience and a successful conference.

We would like to thank once again all the wonderful people who helped us realising this conference as well as the delegates whom travelled from all around the world to share with us their new discoveries.

"Follow the Toulouse SEGH members on their facebook page:  https://www.facebook.com/PastEnvironmentToulouse

See you in 2014 in Newcastle!

Picture 1: Listening to keynote J. Nriagu’s keynote on the Green Revolution

Picture 2: enjoying an animated outdoor poster session

Picture 3: The conference diner: foie gras and jazz !

 By F. De Vleeschouwer

Photos by N. Markovic

 

 

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Latest on-line papers from the SEGH journal: Environmental Geochemistry and Health

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    Abstract

    This study aims to determine the status of potentially toxic element concentrations of road dust in a medium-sized city (Rawang, Malaysia). This study adopts source identification via enrichment factor, Pearson correlation analysis, and Fourier spectral analysis to identify sources of potentially toxic element concentrations in road dust in Rawang City, Malaysia. Health risk assessment was conducted to determine potential health risks (carcinogenic and non-carcinogenic risks) among adults and children via multiple pathways (i.e., ingestion, dermal contact, and inhalation). Mean of potentially toxic element concentrations were found in the order of Pb > Zn > Cr(IV) > Cu > Ni > Cd > As > Co. Source identification revealed that Cu, Cd, Pb, Zn, Ni, and Cr(IV) are associated with anthropogenic sources in industrial and highly populated areas in northern and southern Rawang, cement factories in southern Rawang, as well as the rapid development and population growth in northwestern Rawang, which have resulted in high traffic congestion. Cobalt, Fe, and As are related to geological background and lithologies in Rawang. Pathway orders for both carcinogenic and non-carcinogenic risks are ingestion, dermal contact, and inhalation, involving adults and children. Non-carcinogenic health risks in adults were attributed to Cr(IV), Pb, and Cd, whereas Cu, Cd, Cr(IV), Pb, and Zn were found to have non-carcinogenic health risks for children. Cd, Cr(IV), Pb, and As may induce carcinogenic risks in adults and children, and the total lifetime cancer risk values exceeded incremental lifetime.

  • Erratum to: Preliminary assessment of surface soil lead concentrations in Melbourne, Australia 2017-09-11
  • In vivo uptake of iodine from a Fucus serratus Linnaeus seaweed bath: does volatile iodine contribute? 2017-09-02

    Abstract

    Seaweed baths containing Fucus serratus Linnaeus are a rich source of iodine which has the potential to increase the urinary iodide concentration (UIC) of the bather. In this study, the range of total iodine concentration in seawater (22–105 µg L−1) and seaweed baths (808–13,734 µg L−1) was measured over 1 year. The seasonal trend shows minimum levels in summer (May–July) and maximum in winter (November–January). The bathwater pH was found to be acidic, average pH 5.9 ± 0.3. An in vivo study with 30 volunteers was undertaken to measure the UIC of 15 bathers immersed in the bath and 15 non-bathers sitting adjacent to the bath. Their UIC was analysed pre- and post-seaweed bath and corrected for creatinine concentration. The corrected UIC of the population shows an increase following the seaweed bath from a pre-treatment median of 76 µg L−1 to a post-treatment median of 95 µg L−1. The pre-treatment UIC for both groups did not indicate significant difference (p = 0.479); however, the post-treatment UIC for both did (p = 0.015) where the median bather test UIC was 86 µg L−1 and the non-bather UIC test was 105 µg L−1. Results indicate the bath has the potential to increase the UIC by a significant amount and that inhalation of volatile iodine is a more significant contributor to UIC than previously documented.