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4. Brasier, L.L. (1997) Water making many ill and Oakland to map arsenic sites, Detroit Free Press, November 19 and November 20.
2. Milton, A.H., Hasan, Z., Rahman, A. and Rahman, M. (2001) chronic arsenic poisoning and respiratory e! ects in Bangladesh.J. Occup. Health 43,
136^140.
3. Welch, A.H., Westjohn, D.B., Helsel, D.R. and Wanty, R.B. (2000) Arsenic in ground water of the United States: occurrence and geochemistry. Groundwater 38, 589^604.
4. Brasier, L.L. (1997) Water making many ill and Oakland to map arsenic sites, Detroit Free Press, November 19 and November 20.