The State of Arsenic in Nepal - 2003 - Harvard University ...
The State of Arsenic in Nepal - 2003 - Harvard University ...
The State of Arsenic in Nepal - 2003 - Harvard University ...
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Contents<br />
Acknowledgement<br />
Contents<br />
List <strong>of</strong> Maps<br />
Abbreviations<br />
Executive Summary<br />
Page<br />
iv<br />
v<br />
vi<br />
vii<br />
viii<br />
1. Introduction 1<br />
(Bhushan R. Shrestha)<br />
2. Sources and occurrences <strong>of</strong> the arsenic <strong>in</strong> the environment 1<br />
(John W. Whitney)<br />
3. <strong>Arsenic</strong> <strong>in</strong> groundwater <strong>in</strong> East and South Asia 3<br />
(Nirmal Tandukar, DWSS)<br />
4. Geology, hydrogeology and sedimentology 4<br />
(Suresh D. Shrestha, PhD, TU and Van S. Williams, PhD, USGS)<br />
4.1. Location and extent <strong>of</strong> area<br />
4.2. Topography and dra<strong>in</strong>age<br />
4.3. Hydrogeology<br />
4.4. Stratigraphy and geomorphology<br />
5. Issues related to groundwater arsenic <strong>in</strong> <strong>Nepal</strong> 6<br />
(Roshan R. Shrestha and Anil Pokharel, NEWAH )<br />
5.1. History<br />
5.2. Health effects<br />
5.3. <strong>Arsenic</strong> mitigation measures undertaken<br />
5.4. Media and arsenic contam<strong>in</strong>ation<br />
6. Data and map preparation 11<br />
(Bhushan R. Shrestha and Van S. Williams)<br />
6.1. Integrated database <strong>of</strong> arsenic tested tube wells<br />
6.2. Preparation <strong>of</strong> digital spatial data sets<br />
6.3. Map preparation<br />
6.4. Accuracy <strong>of</strong> spatial data<br />
7. Analysis <strong>of</strong> arsenic concentration <strong>in</strong> tube wells <strong>in</strong> the Terai 17<br />
(Kabita B. Shrestha and Bhushan R. Shrestha)<br />
7.1. Basic statistical analysis <strong>of</strong> arsenic concentration<br />
7.2. Relation <strong>of</strong> arsenic concentration with depth <strong>of</strong> tube well<br />
7.3. Relation <strong>of</strong> arsenic concentration with age <strong>of</strong> tube well<br />
7.4. <strong>Arsenic</strong> exposed population and households<br />
7.5. Spatial analysis <strong>of</strong> arsenic concentration<br />
7.5.1. Classification <strong>of</strong> arsenic concentration at VDC level<br />
7.5.2. VDCs vulnerable to arsenic<br />
7.5.3. Mapp<strong>in</strong>g <strong>of</strong> arsenic concentration<br />
7.5.4. VDCs arsenic hotspots<br />
8. Distribution <strong>of</strong> arsenic <strong>in</strong> the Terai 93<br />
(Kabita B. Shrestha)<br />
9. Recommendation 99<br />
(Bhushan R. Shrestha, John W. Whitney and Kabita B. Shrestha)<br />
Annex<br />
References<br />
v
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