6. Bangladesh and West Bengal (India) : whereBangladesh and West Bengal (India) : where
the most serious arsenic groundwater cases happen.the most serious arsenic groundwater cases happen.
9. Survey conducted by
DPHE/UNICEF in 1998-99
(with the British Geological Survey
& Mott MacDonald Limited)
10 ppb 35-77 million
50 ppb 22 million
200 ppb 5,6 million
(MICS, 2009)
(< 150 m deep)
43. 4 million citizens have access to4 million citizens have access to
arsenic-safe water...arsenic-safe water...
44. …… so only 2.9 % of the population ofso only 2.9 % of the population of
Bangladesh (S. Ahuja, 2008).Bangladesh (S. Ahuja, 2008).
45. It appears that financial backers areIt appears that financial backers are
not very enthusiastic about arsenicnot very enthusiastic about arsenic
issues in Bangladesh...issues in Bangladesh...
46. Why do we have this BAD situation ?Why do we have this BAD situation ?
48. In order to prevent from diseases,In order to prevent from diseases,
various organizations decided to usevarious organizations decided to use
groundwater, naturally contaminated.groundwater, naturally contaminated.
49. Focus on bacterial contamination,Focus on bacterial contamination,
no elemental contaminationno elemental contamination
53. Impractical approach : they do anImpractical approach : they do an
implementation plan before installingimplementation plan before installing
an appropriate technology.an appropriate technology.
54. ...of deep tube wells restricts...of deep tube wells restricts
installation of other technologies.installation of other technologies.
70. Bibliography
● The problem of arsenic contamination of
groundwater. Satinder Ahuja.
● Green Revolution Effects on Groundwater in
West Bengal, India. Angela Cesere, Alex
Aizenman, Mary Kate Heisler.