Generalization of the mafram methodology for semi-volatile organic agro-chemicals

Mohammad A. Batiha, Leema A. Al-Makhadmeh, Marwan M. Batiha, Ashraf Ramadan, Abdul Amir H. Kadhum

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

A wide variety of semi-volatile organic chemicals (SVOCs) are still in use in agricultural practices. A proper understanding of the environmental fate and ecotoxicological risk associated with these compounds can aid decision making, particularly regarding product registration and licensing. The aim of this paper is to expand the use of a previously developed Multimedia Agricultural Fate and Risk Assessment Model (MAFRAM) to SVOCs by adopting the fugacity concept as a second criterion to the existing MAFRAM partitioning criterion (i.e., aquivalence). Volatilization processes from surface compartments into the atmosphere were also included. For example, the application of the generalized model was illustrated using an average annual application rate of 4.48 kg/ha of chlorpyrifos over a typical homogeneous region. Chlorpyrifos emissions were assumed to take place in three environmental compartments (i.e., soil, air, and aboveground plants) with fractions of 0.1, 0.3, and 0.6, respectively. The trends seen in the modeling results were in good agreement with the existing experimental data. Validation issues in MAFRAM were also discussed. Comprehensive experimental validation is unattainable because of the large scale of the areas covered, the lack of boundaries for the system considered, and the uncertainty in the input parameters.

Original languageEnglish
Article number1789
JournalWater, Air, and Soil Pollution
Volume225
Issue number1
DOIs
Publication statusPublished - Jan 2014

Fingerprint

agrochemical
Organic chemicals
multimedia
Risk assessment
Organic Chemicals
Chlorpyrifos
risk assessment
methodology
chlorpyrifos
environmental fate
soil air
fugacity
agricultural practice
volatilization
Vaporization
partitioning
Decision making
decision making
Soils
atmosphere

Keywords

  • Ecotoxicological risk assessment
  • Environmental fate prediction
  • Model validation problems
  • Multimedia model
  • Semi-volatile organic chemicals

ASJC Scopus subject areas

  • Pollution
  • Environmental Chemistry
  • Environmental Engineering
  • Ecological Modelling
  • Water Science and Technology

Cite this

Generalization of the mafram methodology for semi-volatile organic agro-chemicals. / Batiha, Mohammad A.; Al-Makhadmeh, Leema A.; Batiha, Marwan M.; Ramadan, Ashraf; Kadhum, Abdul Amir H.

In: Water, Air, and Soil Pollution, Vol. 225, No. 1, 1789, 01.2014.

Research output: Contribution to journalArticle

Batiha, Mohammad A. ; Al-Makhadmeh, Leema A. ; Batiha, Marwan M. ; Ramadan, Ashraf ; Kadhum, Abdul Amir H. / Generalization of the mafram methodology for semi-volatile organic agro-chemicals. In: Water, Air, and Soil Pollution. 2014 ; Vol. 225, No. 1.
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