期刊
SCIENCE OF THE TOTAL ENVIRONMENT
卷 596, 期 -, 页码 178-186出版社
ELSEVIER
DOI: 10.1016/j.scitotenv.2017.04.016
关键词
Dislodgeable foliar residue; Transfer coefficient; Re-entry; Worker exposure; HPLC-MS; Greenhouse
资金
- FP7 BROWSE [265307]
A dislodgeable foliar residue study was conducted in greenhouse pepper and tomato on the island of Crete, Greece, following the spray application of an SC insecticide (with active substance (a.s.) tebufenozide) and an EC fungicide (a.s. bupirimate). Furthermore, for the assessment of worker exposure to pesticides - as a result of re-entering the treated crops - a worker dermal exposure study was carried out during the tasks of tying or pruning, which allowed the transfer coefficient values for the specific tasks to be determined. Pesticide residues were analysed with an in house developed and fully validated HPLC-ESI/MS analytical method. The results from the study resulted in transfer coefficient values which were in agreement with current EFSA guideline values in most of the cases with the exception of bupirimate in a tomato greenhouse. In that case, high potential dermal exposure and low dislodgeable foliar residue values were observed, which is thought to be due to the moist leaves collected during sampling and monitoring, which led to greater than expected transfer coefficient values. Crown Copyright (C) 2017 Published by Elsevier B.V. All rights reserved.
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