Mohammad Mahmudur Rahman, Uttam Kumar Chowdhury, Subhash Chandra Mukherjee, Badal Kumar Mondal et al.
Fifty districts of Bangladesh and 9 districts in West Bengal, India have arsenic levels in groundwater above the World Health Organization's maximum permissible limit of 50 microg/L. The area and population of 50 districts of Bangladesh and 9 districts in West Bengal are 118,849 km2 and 104.9 millio...