Please use this identifier to cite or link to this item: https://doi.org/10.3390/ijerph9093318
Title: Organophosphorus and carbamate pesticide residues detected in water samples collected from paddy and vegetable fields of the Savar and Dhamrai Upazilas in Bangladesh
Authors: Chowdhury, M.A.Z
Banik, S
Uddin, B
Moniruzzaman, M 
Karim, N
Gan, S.H
Keywords: carbamate pesticide
carbaril
carbofuran
chlorpyrifos
dimpylate
malathion
organophosphate pesticide
surface water
carbamate (ester)
concentration (composition)
liquid chromatography
organophosphate
paddy field
performance assessment
pesticide application
pesticide residue
water quality
agricultural land
article
Bangladesh
chemical structure
concentration (parameters)
controlled study
environmental exposure
high performance liquid chromatography
irrigation (agriculture)
LD 50
materials handling
pollution monitoring
residue analysis
vegetable
water contamination
water pollutant
water sampling
Agriculture
Bangladesh
Carbamates
Chromatography, High Pressure Liquid
Environmental Monitoring
Fresh Water
Insecticides
Organophosphorus Compounds
Oryza sativa
Pesticide Residues
Vegetables
Water Pollutants, Chemical
Bangladesh
Issue Date: 2012
Citation: Chowdhury, M.A.Z, Banik, S, Uddin, B, Moniruzzaman, M, Karim, N, Gan, S.H (2012). Organophosphorus and carbamate pesticide residues detected in water samples collected from paddy and vegetable fields of the Savar and Dhamrai Upazilas in Bangladesh. International Journal of Environmental Research and Public Health 9 (9) : 3318-3329. ScholarBank@NUS Repository. https://doi.org/10.3390/ijerph9093318
Rights: Attribution 4.0 International
Abstract: Several types of organophosphorous and carbamate pesticides have been used extensively by the farmers in Bangladesh during the last few decades. Twenty seven water samples collected from both paddy and vegetable fields in the Savar and Dhamrai Upazilas in Bangladesh were analyzed to determine the occurrence and distribution of organophosphorus (chlorpyrifos, malathion and diazinon) and carbamate (carbaryl and carbofuran) pesticide residues. A high performance liquid chromatograph instrument equipped with a photodiode array detector was used to determine the concentrations of these pesticide residues. Diazinon and carbofuran were detected in water samples collected from Savar Upazila at 0.9 μg/L and 198.7 μg/L, respectively. Malathion was also detected in a single water sample at 105.2 μg/L from Dhamrai Upazila. Carbaryl was the most common pesticide detected in Dhamrai Upazila at 14.1 and 18.1 μg/L, while another water sample from Dhamrai Upazila was contaminated with carbofuran at 105.2 μg/L. Chlorpyrifos was not detected in any sample. Overall, the pesticide residues detected were well above the maximum acceptable levels of total and individual pesticide contamination, at 0.5 and 0.1 μg/L, respectively, in water samples recommended by the European Economic Community (Directive 98/83/EC). The presence of these pesticide residues may be attributed by their intense use by the farmers living in these areas. Proper handling of these pesticides should be ensured to avoid direct or indirect exposure to these pesticides. © 2012 by the authors; licensee MDPI, Basel, Switzerland.
Source Title: International Journal of Environmental Research and Public Health
URI: https://scholarbank.nus.edu.sg/handle/10635/183227
ISSN: 16617827
DOI: 10.3390/ijerph9093318
Rights: Attribution 4.0 International
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