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Naturally occurring arsenic (As) in groundwater of sedimentary aquifer has emerged as a global problem, and issue of major environmental health concern. Most groundwater from the Terai Basin of Nepal is contaminated by excess arsenic. Such groundwater is widely used for drinking and irrigation purpose and makes easy means of direct entrance of arsenic into human body and food chain; and that affects human health adversely. This paper evaluates the state of arsenic contamination in the six Terai districts of Nepal ...

Air pollution is a growing environmental problem in the major cities of the world due to growing urbanization, motorization and industrialization, Kathmandu valley is not exception. In the valley (Kathmandu, Lalitpur and Bhaktrapur cities), quantity of Particulate Matter (PM10) is higher than WHO guideline (20 $\mu$g/m3 per year \&50 $\mu$g/m3 per 24 hour). This paper presents four years (2003-2006) monitoring and analysis of PM10 from 6 different stations of Kathmandu valley as well as tried to correlate among PM...

This paper presents the geology, reserve estimation and quality assessment of the Sindhali limestone deposit located in allochthonous succession of the eastern Nepal Lesser Himalaya. Geologically, the limestone deposit lies in the Bhainsedobhan Marble of the Bhimphedi Group where the Bhimphedi Group is divided into three formations: the Raduwa Formation, the Bhainsedobhan Marble and the Kalitar Formation from south to north respectively. The study area is further divided into Northern, Central and Southern tectoni...