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. Thousands of hair nail and urine samples from people living in arsenic-affected villages have been analyzed to date.
Arsenic Contamination In Bengal Amrita Seattle
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Arsenic contamination in west bengal. 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. Arsenic Contamination in Groundwater Affecting Major Parts of Southern West Bengal and Parts of Western Chattisgarh. In the combined areas of West Bengal and Bangladesh Ganga-PadmaBramhaputra.
Socio-Economic Analysis of Arsenic Contamination of Groundwater in West Bengal - 9811006822 - 136. Arsenic pollution in groundwater is a pandemic environmental problem mainly affecting deltaic areas of Bangladesh and its parts in West Bengal. Bangladesh and West Bengal.
Upland areas are largely unaffected. In one study in West Bengal anemia was reported in all the 13 people exposed to arsenic-contaminated groundwater 2002000 μgL. This problem was first mentioned at a seminar on the health system of West Bengal in 1978.
However the areas with seasonal flooding reduce arsenic in top layers of the soils. Arsenic contamination in groundwater and consequent human suffering in West Bengal India was first r eported in Dece mber 1983 when 63 a rsenic patients f rom 3 villages were identified. Even after 14 years of our field survey we believe our study reflects only the tip of the iceberg in identifying the extent of arsenic contamination.
Source of arsenic is mainly from the Himalayas but not as any arsenic bearing mineral but as hydrated iron oxide with adsorbed arsenic. Based on the arsenic concentrations found in the 5 districts Bankura Birbhum Purulia Medinipur East and Medinipur West in western part of West Bengal we classified them as arsenic safe. By the end of December 2001 this problem spreads from few villages to 2065 villages of 75 blocks in 8 districts.
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. Saha at the Department of Dermatology School of Tropical Medicine. Study shows arsenic accumulation in the deeper soil.
The Center for Public Affairs and Critical Theory C-PACT invites you to a talk titled Groundwater arsenic-contamination in West Bengal India with special reference to its status magnitude distribution health effects food chain contamination and remedial measurements on 28 August 2021 at. 1984 reported 16 patients in three families from one village of 24 Parganas District. The sincerity with which the Government of West Bengal prioritized the problem of arsenic contamination in ground water in the state is projected in the constitution of Arsenic Task Force comprising technical experts from different discipline working in the state.
Arsenic poisoning in these districts is a serious environmental problem and is affecting the health of millions of people in the State. Socio-Economic Analysis of Arsenic Contamination of Groundwater in West Bengal is book by Abhijit DasJoyashree RoySayantan Chakrabarti publish by Springer. Further study in West Bengal on 156 people exposed to arsenic-contaminated water 5014200 μgL showed incidence of anemia in 474 of cases.
To date we have collected 10991 water samples from 42 arsenic-affected districts in Bangladesh for analysis 58166 water samples from nine arsenic-affected districts in West Bengal. At present 3000 villages are arsenic affected. According to Guha Mazumder 4 more than six million people in West Bengal India are exposed to arsenic-contaminated groundwater.
Of the water samples that we analyzed 59 and 34 respectively contained arsenic levels above 50 microgL. Groundwater arsenic contamination in the Lower Ganga basin of West Bengal India was first identified in July 1983 Saha KC. At present 37 administrative blocks by the side of.
Extent of problem in West Bengal In West Bengal during 1980s some cases of arsenical dermatosis in the districts of North 24 Parganas South 24 Parganas Nadia Murshidabad and Burdwan were reported. I visited three arsenic affected districts of West Bengal while making a documentary on arsenic pollution in drinking water in West Bengal. Before 1978 the people of Deltaic West Bengal had no idea about arsenic contamination in groundwater.
Singh 8 observed that elevated concentrations of arsenic exist in groundwater of nine districts of West Bengal namely Murshidabad Malda Nadia North 24 Parganas. Saha 1984 further reported 127 patients with arsenical skin lesions. The first case of arsenic was found in 1983 in two villages of Barasat block of North 24 Parganas and one village of Baruipur in South 24 Parganas.
All the samples n1672 collected from these districts and analyzed for arsenic had concentrations below 3 μgL the minimum determination. The area and population of these 9. Arsenic poisoning in West Bengal was first diagnosed in 1983 by K.
Xi Contamination situation in Western part of West Bengal.
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