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Ambient air concentrations of pesticides used in potato cultivation in Prince Edward Island, Canada by Louise M White; William R Ernst; Gary Julien; Christine Garron; Martin Leger is a Agricultural and Biological Sciences article available to read on EtoBox.

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## Abstract Ambient air concentrations of nine selected pesticides used in potato cultivation were investigated on Prince Edward Island by collecting samples during the summer of 1998 at three potato farm sites and one non‐agricultural site. In 1999, air samples were collected at a single potato farm site during local application of pesticides. The fungicide chlorothalonil was the only pesticide detected in every sample in both years, even in samples with a duration as little as 5 h. In 1998, maximum (45–458 ng m^−3^) and mean (22–193 ng m^−3^) concentrations of chlorothalonil from composite 42 h samples were one to two orders of magnitude greater at agricultural sites than at the non‐agricultural site (3.9 and 2.5 ng m^−3^, respectively). Maximum and mean concentrations of chlorothalonil from combined 24 h samples at the farm site in 1999 were higher than those measured in 1998 (636 and 284 ng m^−3^, respectively). The ubiquitous presence in air of relatively high concentrations of chlorothalonil in agricultural areas on Prince Edward Island is likely related to its repeated use on potato farms where fungicides account for 80–90% of pesticides applied. Eight of nine pesticides wer

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Author

Louise M White; William R Ernst; Gary Julien; Christine Garron; Martin Leger

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 1526-498X)

Published

2005

Language

EN

Field

Agricultural and Biological Sciences (Life Sciences)