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- W2009647561 abstract "A spatially resolved, dynamic version of the Multimedia Urban Model (MUM) and the boundary layer forecast and air pollution transport model BLFMAPS were coupled to build Spatially Oriented MUM (SO-MUM), to estimate emissions and fate of POPs in an urban area on a 5 × 5 km2 cell resolution. SO-MUM was used to back-calculate emissions from spatially resolved measured air concentrations of PCBs and PBDEs in Toronto, Canada. Estimated emissions of Σ88PCBs were 230 (40–480) kg y–1, 280 (50–580) g y–1 km–2, or 90 (16–190) mg y–1 capita–1, and Σ26PBDEs were 28 (6–63) kg y–1, 34 (7–77) g y–1 km–2, or 11 (2–25) mg y–1 capita–1. A mass inventory of penta- and octa-BDEs in Toronto was estimated to be 200 tonnes (90–1000 tonnes) or 80 (40–400) g capita–1. Using this estimate and that of 440 (280–800) tonnes of PCBs, estimated emissions of Σ88PCBs and Σ26PBDEs per mass of chemical inventory in Toronto were 0.5 (0.05–1.6) and 0.1 (0.01–0.7) g y–1 kg–1, respectively. The results suggest annual emission rates of 0.04% and 0.01% from the mass inventories with downtown accounting for 30% and 16% of Toronto’s chemical inventory and emissions of PCBs and PBDEs, respectively. Since total PBDE emissions are a function of mass inventory, which is proportional to building volume, we conclude that building volume can be used as a proxy to predict emissions. Per mass inventory emission rates were negatively related to vapor pressure within a compound class, but not consistently when considering all compound congeners." @default.
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- W2009647561 date "2012-12-12" @default.
- W2009647561 modified "2023-09-27" @default.
- W2009647561 title "SO-MUM: A Coupled Atmospheric Transport and Multimedia Model Used to Predict Intraurban-Scale PCB and PBDE Emissions and Fate" @default.
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- W2009647561 doi "https://doi.org/10.1021/es3033023" @default.
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