Publications

Investigating the Effects of Temperature, Relative Humidity, Leaf Collection Date, and Foliar Penetration on Leaf-Air Partitioning of Chlorpyrifos

Authors:
Kinross, A.D.; Hageman, K. J., Luu, C.
Journal:
Environmental Science Technology 2022, (56), pp. 13058-13065
4842-4850

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Leaf-air partition coefficient (K_leaf-air) values are needed to understand and predict pesticide volatilization and persistence in agroecosystems. The objectives of this work were to measure K_leaf-air values and foliar penetration for the insecticide chlorpyrifos (as an active ingredient alone and in a pesticide formulation) on alfalfa (lucerne) leaves...

Photodegradation in Pesticide Fate Modeling: Development and Evaluation of the Pesticide Dissipation from Agricultural Land (PeDAL) Model

Authors:
Lyons, S. M.; Hageman, K. J. Foliar
Journal:
Environmental Science Technology 2021, (55)
4842-4850

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Pesticide dissipation from plant surfaces depends on a variety of factors including meteorological conditions, the pesticide’s physicochemical properties, and plant characteristics. Models already exist for...

Influence of Adjuvants on Pesticide Soil–Air Partition Coefficients: Laboratory Measurements and Predicted Effects on Volatilization.

Authors:
Das, S.; Hageman, K. J.
Journal:
Environ. Sci. Technol. 2020
(54), 7302-7308

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A solid-phase fugacity meter was used to measure the soil–air partition coefficients of three semivolatile pesticides (chlorpyrifos, pyrimethanil, and trifluralin) in the absence of...

Understanding Trends in Pesticide Volatilization from Agricultural Fields Using the Pesticide Loss via Volatilization Model

Authors:
Taylor, M.; Lyons, S. M.; Davie-Martin, C. L.; Geoghegan, T. S.; Hageman, K. J.
Journal:
Environ. Sci. Technol. 2020
(5)

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The Pesticide Loss via Volatilization model was developed to predict and understand pesticide volatilization rates from a planted agricultural field. The model allows the user to adjust the properties of the...

Influence of Temperature, Relative Humidity, and Soil Properties on the Soil-Air Partitioning of Semivolatile Pesticides: Laboratory Measurements and Predictive Models

Authors:
Davie-Martin, C. L.; Hageman, K. J.; Chin, Y. P.; Rougé, V.; Fujita, Y.
Journal:
Environ. Sci. Technol. 2015
(49) 10431-10439

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Soil–air partition coefficient (Ksoil-air) values are often employed to investigate the fate of organic contaminants in soils; however, these values have not been measured for many compounds of interest, including...

An Improved Screening Tool for Predicting Volatilization of Pesticides Applied to Soils

Authors:
Davie-Martin, C. L.; Hageman, K. J.; Chin, Y. P.
Journal:
Environ. Sci. Technol. 2013
(47) 868-876

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Pesticide volatilization and vapor drift can have adverse effects on nontarget, sensitive ecosystems and human health. Four approaches for pesticide volatilization screening based on Fick’s Law were investigated. In each...