Groundwater Arsenic Contamination in westmost Bengal, India Nine districts in watt Bengal, India, and 42 districts in Bangladesh have arsenous anhydride levels in groundwater preceding(prenominal) the World Health Organization maximum permissible localise of 50 µg/L. The area and population of the 42 districts in Bangladesh and the 9 districts in West Bengal are 92,106 sq km and 79.9 one thousand thousand and 38,865 sq km and 42.7 million, respectively. In our preliminary study, we have place 985 arsenic trioxide- moved(p) villages in 69 guard stations/blocks of nine arsenic-affected districts in West Bengal. In Bangladesh, we have identified 492 affected villages in 141 police stations/blocks of 42 affected districts. To date, we have hive off 10,991 water samples from 42 arsenic-affected districts in Bangladesh for analysis, 58,166 water samples from nine arsenic-affected districts in West Bengal. Of the water samples that we analyzed, 59 and 34%, respectively, conta ined arsenic levels supra 50 µg/L. Thousands of hair, nail, and urine samples from people living in arsenic-affected villages have been analyzed to date; Bangladesh and West Bengal, 93 and 77% samples, on an average, contained arsenic above the normal/toxic level.
arsenic in water, hair, nail, urine, skin-scale samples; arsenic-affected districts in Bangladesh and West Bengal, India; arsenical skin lesions; encounter the arsenic crisis; estimated population drinking arsenic-contaminated water; groundwater arsenic contamination. squall Health Perspect 108:393-397 (2000). We started our keep abreast for arsenic-affected villages in 1989 in West Bengal. At that time we identif! ied only 22 affected villages in 12 police stations/blocks of 5 districts. In resultant years, we discovered more and more affected villages. true statistics from our 10-year survey show that there are 985 arsenic-affected villages in 69 police stations of nine arsenic-affected districts. Even after 10 years, the more districts that we survey yield more affected villages that are...If you exigency to digest a full essay, order it on our website: BestEssayCheap.com
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