Within this presentation I shall discuss the development of an Arable Spray Drift Database commissioned by the Drift Risk Assessment Workshops (DRAW) under the aegis of the Society for Environmental Toxicology and Chemistry (SETAC). Within the Database we have information from 10 countries with over a 2000 separate drift trials. As the database was being developed, it was apparent that there was a very broad range across the conduct of the trials, the reference sprayer used, and the sampling methodologies. Datasets were extracted, and a simple linear regression run which showed that the drift outcomes were noticeably different. The effects of different sampling methodologies are discussed and the solution in terms of a new standardized spray drift protocol presented.

Standardizing methods of spray drift measurement

2019 Fall National Meeting

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