Abstract
The present study aims to compare the passive dosimetry sampling and census methods for the evaluation of pesticide exposure. The studies were carried out in the city of Petrolina - PE, in the São Francisco River Valley, under three working conditions: weeds, grape and acerola cultivation with the use of a hand-held sprayer in the Brazilian summer. For data analysis, descriptive statistical parameters and Student's T-test were used to compare the means of paired samples. Both methods evaluated the simulated manual application of pesticides. Given the results, it was concluded that there was a high discrepancy between exposure assessments in all treatments, with the sample method showing overestimated values, with differences greater than 200% and that the census method showed more reliable and accurate results with greater efficiency.
Highlights
The risk of human poisoning from potential exposure to pesticides has been studied by the scientific community as a serious public health problem, as it directly affects workers and consumers, and society at large through environmental contamination, especially in developing countries [1,2,3,4]
The present study aims to compare the passive dosimetry sampling and census methods for the evaluation of pesticide exposure
For passive dosimetry it is necessary to collect samples of the substances that would be absorbed by the workers during a work day and, for that, special absorbent clothes or samplers can be used in real or simulated work situations
Summary
The risk of human poisoning from potential exposure to pesticides has been studied by the scientific community as a serious public health problem, as it directly affects workers and consumers, and society at large through environmental contamination, especially in developing countries [1,2,3,4]. The International Labor Organization and the World Health Organization [5] estimate that in developing countries annually, 7 million workers are poisoned by pesticides and that 70,000 of them die. Studies on this theme adopt both qualitative approaches, focusing from public prevention and control policies to the subjectivity of exposed workers, and quantitative, to estimate the doses that. In this study a comparison was made between the sampling method when using samplers, and the census method when using a full body exposure suit to assess dermal exposure to pesticides in simulated work situations with the use of dyes, considering only the activity of manual application of pesticides with manual costal sprayer
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