Digital Special Collection Portal

Assessment of exposure of professional agricultural operators to pesticides


Citation

Hie Ling Wong and David G. Garthwaite and Carmel T. Ramwell and Colin D. Brown (2018) Assessment of exposure of professional agricultural operators to pesticides. Science of The Total Environment, 619-62. pp. 874-882. ISSN 0048-9697

Abstract

This study investigates how field practices in handling and applying pesticides influence the long-term patterns of professional agricultural operators' exposure to pesticides. It presents the first use of a comprehensive pesticide application dataset collected on behalf of the European Food Safety Authority with 50 operators selected to cover arable and orchard cropping systems in Greece, Lithuania and the UK. Exposure was predicted based on the harmonised Agricultural Operator Exposure Model (AOEM) and compared with Acceptable Operator Exposure Levels (AOELs). The amount of pesticides handled by individual operators across a cropping season was largest in the UK arable and orchard systems (median 580 and 437 kg active substance, respectively), intermediate for the arable systems in Greece and Lithuania (151 and 77 kg, respectively), and smallest in the Greek orchard system (22 kg). Overall, 30 of the 50 operators made at least one application within a day with predicted exposure greater than the AOEL. The rate of AOEL exceedance was greatest in the Greek cropping systems (8 orchard operators, 2.8–16% of total applications; 7 arable operators, 1.1–14% of total applications), and least for the Lithuanian arable system (2 operators, 2.9–4.5% of total applications). Instances in Greece when predicted exposure exceed the AOEL were strongly influenced by the widespread use of wettable powder formulations (> 40% of the total pesticide active substance handled for 11 of the 20 Greek operators). In contrast, the total area of land treated with an active substance on a single day was more important in the UK and Lithuania (95th percentile observed value was 132 and 19 ha day− 1 for UK arable and orchard systems, respectively). Study findings can be used to evaluate current assumptions in regulatory exposure calculations and to identify situations with potential risk that require further analysis including measurements of exposure to validate model estimations.

Download File / URL

Full text not available from this repository.

Additional Metadata

Item Type: Indexed Article
Collection Type: Institution
Date: 2018
Journal or Publication Title: Science of The Total Environment
ISSN: 0048-9697
Faculty/Centre/Office: Faculty of Earth Sciences
URI: http://discol.umk.edu.my/id/eprint/7354
Statistic Details: View Download Statistic

Edit Record (Admin Only)

View Item View Item

The Office of Library and Knowledge Management, Universiti Malaysia Kelantan, 16300 Bachok, Kelantan.
Digital Special Collection (UMK Repository) supports OAI 2.0 with a base URL of http://discol.umk.edu.my/cgi/oai2