Journal
BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY
Volume 80, Issue 4, Pages 315-318Publisher
SPRINGER
DOI: 10.1007/s00128-008-9380-2
Keywords
vapor pressure; evaporation; pesticide; co-formulant
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Volatilization of chemicals can be an important form of dissipation in the environment. Rates of evaporative losses from plant and soil surfaces are useful for estimating the potential for food-related dietary residues and operator and bystander exposure, and can be used as source functions for screening models that predict off-site movement of volatile materials. A regression of evaporation on vapor pressure from three datasets containing 82 pesticidal active ingredients and co-formulants, ranging in vapor pressure from 0.0001 to > 30,000 Pa was developed for this purpose with a regression correlation coefficient of 0.98.
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