Chemical Spill Exposure Assessment

Stuart M. Brown and Abraham Silvers

Risk Analysis, 1986, vol. 6, issue 3, 291-299

Abstract: POSSM, the PCB On‐Site Spill Model, is a contaminant transport model developed to predict environmental concentrations associated with a chemical spill. The model predicts daily changes in chemical concentrations on a spill site (e.g., in soil and on vegetation) and losses of chemical due to volatilization, surface runoff/soil erosion, and leaching to groundwater. Spill areas consisting of soil/vegetation and/or an impervious surface (e.g., asphalt and concrete) can be analyzed, as can different spill cleanup practices. POSSM is used to analyze exposure levels associated with a hypothetical capacitor spill. While the model was developed for PCB spills, it is generally applicable to a number of organic compounds.

Date: 1986
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https://doi.org/10.1111/j.1539-6924.1986.tb00221.x

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Persistent link: https://EconPapers.repec.org/RePEc:wly:riskan:v:6:y:1986:i:3:p:291-299

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