A computerized dispersion model was used to evaluate the air quality impact on downtown Prince George from total reduced sulphur (TRS) emissions from the many stacks, vents and open effluent lagoons at Prince George Pulp and Paper's two mills and Northwood Pulp and Timbers mill, and from the Husky Oil refinery. Various levels of TRS source control were modelled to assess improvement in air quality levels in the downtown area. Eight hypothetical scenarios of progressively reduced levels of TRS emissions from the various sources were assessed. The reduction in the number of times that hourly TRS concentrations exceeded particular thresholds was computed for each of the modelled control scenarios, this parameter herein being defined as the number of air quality exceedances.
Bennett, R.C., Marsh, R.D.; Davis, R.L.. 1988. Evaluation of Industrial Total Reduced Sulphur Source Emissions on Prince George Air Quality. BC Ministry of Environment and Parks
Keywords: dispersion model, air quality, Prince George, total reduced sulphur , TRS, emissions
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