title: Wind tunnel evaluation of several tracer and collection techniques for the measurement of spray drift.
abstract: In the history of pesticide drift measuring techniques, different tracers and a lot of different collection techniques have been used. At the start of a new Flemish project 'Protecting the Flemish environment against drift - The importance of drift-reducing techniques', wind tunnel tests have been executed to select the most efficient tracer and collection technique. As tracer types a fluorescent tracer Renaissance W15, 2 different chelates, a NaCl-solution and a fungicide Tolylfluanide were used. 2 different collection techniques were tested: drains incorporated in the wind tunnel floor filled with filter paper and filled with cloths. The recovery of the different tracers combined with the 2 collection materials was calculated. The advantages and disadvantages of the tracers and collection materials are enumerated in this article.
authors.affiliation: Department of Crop Protection, University Ghent Coupure links 653, BE-9000 Gent, Belgium.
authors.forename: E
authors.initials: E
authors.lastname: Brusselman
authors.forename: K
authors.initials: K
authors.lastname: Van Driessen
authors.forename: W
authors.initials: W
authors.lastname: Steurbaut
authors.forename: D
authors.initials: D
authors.lastname: Gabriels
authors.forename: W
authors.initials: W
authors.lastname: Cornelis
authors.forename: D
authors.initials: D
authors.lastname: Nuyttens
authors.forename: B
authors.initials: B
authors.lastname: Sonck
authors.forename: K
authors.initials: K
authors.lastname: Baetens
authors.forename: B
authors.initials: B
authors.lastname: Nicolai
authors.forename: P
authors.initials: P
authors.lastname: Verboven
authors.forename: H
authors.initials: H
authors.lastname: Ramon
mesh_terms: D000393:Air Pollutants / Q000032:analysis*; D001530:Belgium; D005456:Fluorescent Dyes; D005659:Fungicides, Industrial / Q000032:analysis*; D010573:Pesticide Residues / Q000032:analysis*; D010575:Pesticides / Q000032:analysis*; D012996:Solutions
chemical_list: D000393:Air Pollutants; D005456:Fluorescent Dyes; D005659:Fungicides, Industrial; D010573:Pesticide Residues; D010575:Pesticides; D012996:Solutions