Arsenic Exposure and Health Effects IV : Fourth by W R Chappell; C O Abernathy; R L Calderon PDF

Read or Download Arsenic Exposure and Health Effects IV : Fourth International Conference on Arsenic Exposure and Health Effects, 18-22 July, 2000, San Diego, USA PDF

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Extra resources for Arsenic Exposure and Health Effects IV : Fourth International Conference on Arsenic Exposure and Health Effects, 18-22 July, 2000, San Diego, USA

Example text

Tubewell depths were <150 m in Lakshmipur, <100 m in Faridpur and <50 m in Chapai Nawabganj. The groundwaters are overwhelmingly reducing (low redox potentials and low or no dissolved oxygen) with often high concentrations of dissolved Fe, Mn and NH4 -N (Table 1). Arsenic concentrations are variable but often high. Of the three areas, the highest average concentrations and greatest proportion in excess of 50 µg l 1 are found in Lakshmipur. 9 µg l 1 (mean values, respectively, 159 µg l 1 , 102 µg l 1 and <3 µg l 1 ).

Hussein (Geological Survey of Bangladesh); Inner Mongolia: Zhang, G-y. and Zhang, M-y. J. O. Tullio (Direccio´n de Aguas, Provincia de La Pampa). J. Macdonald, I. J. M. L. Dodd, S. Gordon, J. M. G. Darling. Investigations were carried out with support from the UK Government’s Department for International Development (DFID), under project KAR R6491 and a Technical Assistance project with the Government of Bangladesh. The views expressed are not necessarily those of DFID. Authors from the British Geological Survey publish with the permission of the Director.

1998. Urinary arsenic species in Devon and Cornwall residents, UK. The Analyst, 123(1), 27–30. , et al. 1995. Arsenic contamination and bladder cancer: an ecological study. Presented at the Annual Conference of the International Society for Environmental Epidemiology and International Society for Exposure Analysis, August. Abstract PO71. Epidemiology, 6, Supplement to No. 4. G. M. 1999. Mechanisms of arsenic release to groundwater, Bangladesh and West Bengal. Appl. , 15, 1–11. Pershagen G. 1986.

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