SEGH Articles

SEGH 2014 Conference Report

08 September 2014
Northumbria University welcomed over 120 delegates from over 25 countries to SEGH 2014.

 

Northumbria University welcomed over 120 delegates from over 25 countries to SEGH2014. The meeting attracted delegates from across Europe, but also further afield from the USA, Mexico, Canada, Pakistan, Vietnam, Namibia and Nigeria, to hear the 51 papers and 40 posters presented. Human impacts on our atmosphere, lithosphere, biosphere and hydrosphere were discussed over the five days, with the linkages between human health and the environment a central focus.

In the opening session on ‘Air & Dust Pollution and Human Health’, Professor Frank Kelly (King’s College London), gave a timely and considered overview of the PM (particulate matter) burden to which populations are exposed and recent developments in evidence of how PM2.5 elicit health effects in humans. The subsequent session speakers considered how we detect, assess, model and practically tackle air pollution.

The session on ‘Environmental Iodine and the Deficiency Disorders’ generated a lively and stimulating set of papers and posters covering our current environmental knowledge and health perceptions, and highlighted ‘myths, misunderstandings and deficiencies’ along with further research needs.

As part of a special session on ‘Hydraulic fracturing (fracking) and health’ we heard a thought-provoking set of interlinked talks given by Professor Mike Stephenson (British Geological Survey), Professor Fred Worrall (Durham University), and Mr Robie Kamanyire (Public Health England). Current concerns raised in the media about the process of hydraulic fracturing were examined and discussed along with the potential public health impacts of exposures to chemical and radioactive pollutants as a result of shale gas extraction.

The central themes of risk, exposure assessment, bioavailability and bioaccessibility were explored over two days of sessions. Keynotes were given by Dr Frank Swartjes (National Institute of Public Health and the Environment (RIVM), Netherlands) and Professor Steven Sicilliano (University of Saskatchewan, Canada).  These talks, along with many of the session presenters, explored how the chemical and physical properties of soil influence the movement of pollutants from the environment into our bodies. Arsenic and Pb provided the main focus for a number of speakers, but Cd, Cu, Mg, Hg, V, along with Benzo[a]pyrene and a range of other PHEs, were also considered.   

The Conference Dinner, a Northumbrian-themed evening with local food and local music, took place in the Great Hall at Jesmond Dene House, and was attended by over 60 delegates. Photographs, taken by Ms Rosina Leonard, Geological Survey of Namibia, are available on line at Click here to view SEGH 2014

Thank you Rosina!

Finally, at the end of the week a few hardy (although they didn't realise this at the time!) delegates joined Mr Phil Hartley (Newcastle City Council) and Ms Lesley Dunlop (Northumbria University) to explore of the North-East’s industrial history and cultural heritage. However, after an amazing week of unusually good British ‘summer’ weather (yes sunshine and no rain on every day prior to the fieldtrip) our luck ran out.

Hadrian’s Wall at Cawfields. A stretch of Hadrian's Wall on a steep slope, with turrets and an impressive milecastle, probably built by the Second Legion.

 

 

 

 

But we donned hard hats, wellington boots and head torches to venture into Killhope lead mine. The mine owners hope everyone has now warmed up and dried out again! 


Killhope Lead Mine, Cowshill, Co. Durham

So just a final thank you to all who participated in SEGH 2014, and to the many new society members. Northumbria University looks forward to welcoming you to Newcastle again – but in the meantime we hope to see many of you in Bratislava in June 2015.  See www.segh.net for details.

 

 

by Jane Entwistle

(SEGH Chair 2014)

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

  • Status, source identification, and health risks of potentially toxic element concentrations in road dust in a medium-sized city in a developing country 2017-09-19

    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.