In the Bengal deltaic region the shallow groundwater laced with arsenic is used for irrigation frequently and has elevated the soil arsenic in agricultural soil. The area and population of the 42 districts in Bangladesh and the 9 districts in West Bengal are 92106 km2 and 799 million and 38865 km2 and 427 million respectively.
Arsenic Poisoning In Bangladesh India Ancient West Bengal Bengal
In West Bengal 212 435 cases of skin cancer and 38 078 cases of internal cancers were.
Arsenic in west bengal. Socio-Economic Analysis of Arsenic Contamination of Groundwater in West Bengal is book by Abhijit DasJoyashree RoySayantan Chakrabarti publish by Springer. An estimated 30 million people in the Ganges delta are drinking groundwater contaminated with arsenic 5. Arsenic poisoning in these districts is a serious environmental problem and is affecting the health of millions of people in the State.
Chronic exposure to Arsenic can cause not only cancerous and non-cancer health effects. Arsenic contamination in ground water of West Bengal in the range of 0001320 mgl occurs in - isolated patches spreading over 79 blocks in the eight districts of the state. Nine districts in West Bengal India and 42 districts in Bangladesh have arsenic levels in groundwater above the World Health Organization maximum permissible limit of 50 microgL.
Nitrate contamination in groundwater. Arsenic concentration in groundwater initially increases up to a certain depth approximately 40 m below ground level then decreases with. Various techniques are being introduced to provide arsenic-free drinking water at an affordable cost.
Reports suggest that about 20 population in West Bengal is highly affected. Up to 10 cash back Gaighata under the jurisdiction of North 24 Parganas district West Bengal is known for large-scale human suffering from arsenic contamination through drinking water groundwater and foodstuffs Joardar et al. At present 37 administrative blocks by the side of.
Arsenic was found in the ground water of West Bengal in the 1980s. 20 Chronic arsenic toxicity. The first population-based survey in West Bengal to assess the prevalence of keratosis and pigmentation was carried on 4093 females and 3590males who were exposed to arsenic toxicity.
So a change in climate and sea levels from the Pleistocene to the Holocene exerted strong control on the distribution of arsenic in the alluvial plains of Bangladesh and West Bengal. Das D Chatterjee A Mandal BK Samanta G Chakraborti D. Fifty districts of Bangladesh and 9 districts in West Bengal India have arsenic levels in groundwater above the World Health Organizations maximum permissible limit of 50 microgL.
However the areas with seasonal flooding reduce arsenic in top layers of the soils. 19 The result revealed that men took the same exposure of arsenic through drinking water had two to three times more toxicity on both keratosis and pigmentation than the females. I visited three arsenic affected districts of West Bengal while making a documentary on arsenic pollution in drinking water in West Bengal.
The in cases and controls 44 vs 55 years respectively. Arsenic poisoning in West Bengal was first diagnosed in 1983 by K. In 1992 arsenic-containing drinking water was found in various tube wells in South Kolkata especially in the vicinity of Prince Anwar Shah.
The districts of Murshidabad Nadia North 24 Parganas South 24-Parganas are located to the east of river Bhagirathi. Since the early 1980s chronic arsenic toxicity has been detected from six districts of West Bengal and 1068 arsenic related patients were reported Saha and Poddar 1986. Up to 10 cash back Arsenic in groundwater above the WHO maximum permissible limit of 005 mg l1 has been found in six districts of West Bengal covering an area of 34 000 km2 with a population of 30 million.
Socio-Economic Analysis of Arsenic Contamination of Groundwater in West Bengal - 9811006822 - 136. According to data obtained at the 1995 International Conference on Arsenic Calcutta India arsenic was found in most parts of Murshidabad Nadia and both 24 Parganas districts and about 3500 villages in about 75 blocks in nine districts of West Bengal. The calamity in these places particularly in Bengal delta with over 100 million people living in zones has assumed gargantuan proportions as arsenic levels in drinking water has overshot far above the guidelines set by World Health Organization at 10 μgL.
Saha at the Department of Dermatology School of Tropical Medicine. The working group of International Agency for Research on Cancer evaluated data from ecological cohort and casecontrol studies from many countries and observed that arsenic was potentially responsible for skin urinary bladder and lung cancers as result of chronic exposure to arsenic. Study shows arsenic accumulation in the deeper soil.
Well arsenic concentrations was not appreciably different Arsenic in ground water in six districts of West Bengal India. West Bengal the state worst hit by groundwater arsenic contamination has a new problem. The area and population of 50 districts of Bangladesh and 9 districts in West Bengal are 118849 km2 and 1049 million and 38865 km2 and 427 million respectively.
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