Evaluation of the atmospheric contamination level for the use of herbicide glyphosate in the northeast region of Brazil

The municipality of Limoeiro do Norte-Ceará, located in northeastern Brazil, stands out as a major center of agribusiness due to the high productivity indexes, especially in the irrigated fruit production, with a high consumption of pesticides, including glyphosate, considered potentially carcinogen...

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Bibliographic Details
Published in:	Environmental monitoring and assessment Vol. 191; no. 10; pp. 604 - 11
Main Authors:	de F. Sousa, Maria Gizeuda, da Silva, Adeildo C., dos Santos Araújo, Rinaldo, Rigotto, Raquel M.
Format:	Journal Article
Language:	English
Published:	Cham Springer International Publishing 01-10-2019 Springer Nature B.V
Subjects:	Agribusiness Agriculture Air pollution Air Pollution - analysis Air sampling Atmospheric Protection/Air Quality Control/Air Pollution Brazil Cancer Carcinogens Chromatography Contamination Crop diseases Crop production Earth and Environmental Science Ecology Ecotoxicology Education Environment Environmental impact Environmental Management Environmental Monitoring Environmental Pollution - analysis Environmental science Fruits Glycine - analogs & derivatives Glycine - analysis Glyphosate Gravimetry Herbicides Herbicides - analysis Insecticides Levels Liquid chromatography Monitoring/Environmental Analysis Pesticides Samplers Vapor phases Brazil TSP Air pollution Health Glyphosate Pesticides
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Summary:	The municipality of Limoeiro do Norte-Ceará, located in northeastern Brazil, stands out as a major center of agribusiness due to the high productivity indexes, especially in the irrigated fruit production, with a high consumption of pesticides, including glyphosate, considered potentially carcinogenic by International Agency for Research on Cancer (IARC). In this context, the aim of this study is to evaluate the atmospheric pollution caused by the use of glyphosate herbicide in the rural and urban zones of the municipality of Limoeiro do Norte, evaluating the impacts on the environment and health of the population. Samplings were performed over a period of 4 months using calibrated air samplers. Concentrations of TSP and glyphosate were estimated by gravimetric and liquid chromatography methods, respectively. The results showed TSP levels between 10.8 and 137.4 μg/m 3 (mean of 41.1 μg/m 3 ) in rural zone and between 3.87 and 97.7 μg/m 3 (average of 38.1 μg/m 3 ) in the urban zone. The glyphosate associated with TSP in the rural zone presented levels between 0.002 and 0.144 μg/m 3 (mean of 0.055 μg/m 3 ) and the atmospheric TSP (gas phase) showed levels between 0.313 and 2.939 μg/m 3 (average of 1.218 μg/m 3 ). The glyphosate associated with TSP in the urban zone ranged from 0.009 to 2.576 μg/m 3 (mean of 1.006 μg/m 3 ). These values can be considered high and dangerous to human health and to the environment.
ISSN:	0167-6369 1573-2959
DOI:	10.1007/s10661-019-7764-x