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How does exposure to pesticides vary in space and time for residents living near to treated orchards?

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How does exposure to pesticides vary in space and time for residents living near to treated orchards? / Wong, Hie Ling; Garthwaite, Dave; Ramwell, Carmel T ; Brown, Colin David.

In: Environmental science and pollution research, Vol. 24, 25.09.2017, p. 26444-26461.

Research output: Contribution to journalArticle

Harvard

Wong, HL, Garthwaite, D, Ramwell, CT & Brown, CD 2017, 'How does exposure to pesticides vary in space and time for residents living near to treated orchards?', Environmental science and pollution research, vol. 24, pp. 26444-26461. https://doi.org/10.1007/s11356-017-0064-5

APA

Wong, H. L., Garthwaite, D., Ramwell, C. T., & Brown, C. D. (2017). How does exposure to pesticides vary in space and time for residents living near to treated orchards? Environmental science and pollution research, 24, 26444-26461. https://doi.org/10.1007/s11356-017-0064-5

Vancouver

Wong HL, Garthwaite D, Ramwell CT, Brown CD. How does exposure to pesticides vary in space and time for residents living near to treated orchards? Environmental science and pollution research. 2017 Sep 25;24:26444-26461. https://doi.org/10.1007/s11356-017-0064-5

Author

Wong, Hie Ling ; Garthwaite, Dave ; Ramwell, Carmel T ; Brown, Colin David. / How does exposure to pesticides vary in space and time for residents living near to treated orchards?. In: Environmental science and pollution research. 2017 ; Vol. 24. pp. 26444-26461.

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@article{e2a5fa89d1974880817290beb0c45c04,
title = "How does exposure to pesticides vary in space and time for residents living near to treated orchards?",
abstract = "This study investigated changes over 25 years (1987-2012) in pesticide usage in orchards in England and Wales and associated changes to exposure and risk for resident pregnant women living 100 and 1000 m downwind of treated areas. A model was developed to estimate aggregated daily exposure to pesticides via inhaled vapour and indirect dermal contact with contaminated ground, whilst risk was expressed as a hazard quotient (HQ) for reproductive and/or developmental endpoints. Results show the largest changes occurred between 1987 and 1996 with total pesticide usage reduced by ca. 25{\%}, exposure per unit of pesticide applied slightly increased, and a reduction in risk per unit exposure by factors of 1.4 to 5. Thereafter, there were no consistent changes in use between 1996 and 2012, with an increase in number of applications to each crop balanced by a decrease in average application rate. Exposure per unit of pesticide applied decreased consistently over this period such that values in 2012 for this metric were 48-65{\%} of those in 1987, and there were further smaller decreases in risk per unit exposure. All aggregated hazard quotients were two to three orders of magnitude smaller than one, despite the inherent simplifications of assuming co-occurrence of exposure to all pesticides and additivity of effects. Hazard quotients at 1000 m were 5 to 30 times smaller than those at 100 m. There were clear signals of the impact of regulatory intervention in improving the fate and hazard profiles of pesticides over the period investigated.",
author = "Wong, {Hie Ling} and Dave Garthwaite and Ramwell, {Carmel T} and Brown, {Colin David}",
note = "{\circledC} The Author(s) 2017.",
year = "2017",
month = "9",
day = "25",
doi = "10.1007/s11356-017-0064-5",
language = "English",
volume = "24",
pages = "26444--26461",
journal = "Environmental science and pollution research",
issn = "0944-1344",
publisher = "Springer Science + Business Media",

}

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TY - JOUR

T1 - How does exposure to pesticides vary in space and time for residents living near to treated orchards?

AU - Wong, Hie Ling

AU - Garthwaite, Dave

AU - Ramwell, Carmel T

AU - Brown, Colin David

N1 - © The Author(s) 2017.

PY - 2017/9/25

Y1 - 2017/9/25

N2 - This study investigated changes over 25 years (1987-2012) in pesticide usage in orchards in England and Wales and associated changes to exposure and risk for resident pregnant women living 100 and 1000 m downwind of treated areas. A model was developed to estimate aggregated daily exposure to pesticides via inhaled vapour and indirect dermal contact with contaminated ground, whilst risk was expressed as a hazard quotient (HQ) for reproductive and/or developmental endpoints. Results show the largest changes occurred between 1987 and 1996 with total pesticide usage reduced by ca. 25%, exposure per unit of pesticide applied slightly increased, and a reduction in risk per unit exposure by factors of 1.4 to 5. Thereafter, there were no consistent changes in use between 1996 and 2012, with an increase in number of applications to each crop balanced by a decrease in average application rate. Exposure per unit of pesticide applied decreased consistently over this period such that values in 2012 for this metric were 48-65% of those in 1987, and there were further smaller decreases in risk per unit exposure. All aggregated hazard quotients were two to three orders of magnitude smaller than one, despite the inherent simplifications of assuming co-occurrence of exposure to all pesticides and additivity of effects. Hazard quotients at 1000 m were 5 to 30 times smaller than those at 100 m. There were clear signals of the impact of regulatory intervention in improving the fate and hazard profiles of pesticides over the period investigated.

AB - This study investigated changes over 25 years (1987-2012) in pesticide usage in orchards in England and Wales and associated changes to exposure and risk for resident pregnant women living 100 and 1000 m downwind of treated areas. A model was developed to estimate aggregated daily exposure to pesticides via inhaled vapour and indirect dermal contact with contaminated ground, whilst risk was expressed as a hazard quotient (HQ) for reproductive and/or developmental endpoints. Results show the largest changes occurred between 1987 and 1996 with total pesticide usage reduced by ca. 25%, exposure per unit of pesticide applied slightly increased, and a reduction in risk per unit exposure by factors of 1.4 to 5. Thereafter, there were no consistent changes in use between 1996 and 2012, with an increase in number of applications to each crop balanced by a decrease in average application rate. Exposure per unit of pesticide applied decreased consistently over this period such that values in 2012 for this metric were 48-65% of those in 1987, and there were further smaller decreases in risk per unit exposure. All aggregated hazard quotients were two to three orders of magnitude smaller than one, despite the inherent simplifications of assuming co-occurrence of exposure to all pesticides and additivity of effects. Hazard quotients at 1000 m were 5 to 30 times smaller than those at 100 m. There were clear signals of the impact of regulatory intervention in improving the fate and hazard profiles of pesticides over the period investigated.

U2 - 10.1007/s11356-017-0064-5

DO - 10.1007/s11356-017-0064-5

M3 - Article

VL - 24

SP - 26444

EP - 26461

JO - Environmental science and pollution research

JF - Environmental science and pollution research

SN - 0944-1344

ER -