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1
Publication Years
1
752
2270
273
7
1
Category
1752
170
166
161
86
50
13
Toolboxes
217
211
160
135
121
112
89
78
69
64
64
53
52
49
41
34
26
25
22
21
12
8
8
8
4
3
1
Arsenic contaminated tube well water was first detected in Bangladesh in early 1990s. The arsenic comes from naturally arsenic-rich material delivered by the region's river systems, deposited over many years to make up the land of Bangladesh. Arsenic contamination is not caused by tube wells, or by
...
irrigation or application of fertilizers.
Today, although 98 per cent of the population uses an improved drinking water source the safe water coverage of Bangladesh is 86 per cent because of arsenic contamination. more
Today, although 98 per cent of the population uses an improved drinking water source the safe water coverage of Bangladesh is 86 per cent because of arsenic contamination. more