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Comprehensive Analysis of Air Quality Parameters in Calgary Region: ENSC 502 Class Summary 2000-2001

This summary presents data on air quality factors such as PAHs, Benzo(a)Pyrene, Sulphur Dioxide, Sulphate, N-Alkanes, and Indoor Particulates in various locations like Bearspaw, Priddis, Kananaskis, Calgary, and Houston. The study highlights the impact of SO2 pollution on Bearspaw and Priddis, examining factors like isotopes, histochemical analysis, and visual damage. Recommendations and legal issues related to sour gas emissions are also discussed, emphasizing public education and improved industry interaction.

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Comprehensive Analysis of Air Quality Parameters in Calgary Region: ENSC 502 Class Summary 2000-2001

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  1. Summary of Air Quality PresentationsbyENSC 502Class of 2000-2001

  2. PAHs Benzo(a)Pyrene

  3. Higher Concentrationsof These Metals

  4. Average values (g/m3) Sulphur Dioxide Sulphate Bearspaw 5.81 0.99 Priddis (Non- Flaring) 0.74 0.38 Priddis (Flaring) 1.83 0.52 Kananaskis 0.097 0.047 Calgary 1.3 - Houston 2.47 - Alberta Environment Ambient Air Quality (annual) 30 - SO2 and SO42- Concentrations

  5. SO2Modelling

  6. Vegetation • Both Priddis and Bearspaw are significantly affected by SO2 pollution relative to the control as determined by Si/So ratios • Bearspaw is the most affected by sour gas emissions according to isotope data • Priddis is more affected by environmental stresses as indicated by histochemical analysis and visual damage

  7. Precipitation

  8. Precipitation • Rural sites had higher deposition of sulphate. • Nitrate does not vary with the degree of urbanisation. • Sulphate at Carsland primarily derived from industrial emissions. • Sulphate flux greatest in SE Calgary.

  9. N-Alkanes • No significant difference between flaring and non flaring events may indicate that: • particulate n-alkanes transform into more complex molecules • Or particulate n-alkanes were fully combusted in the flare

  10. Indoor Particulates - CPM4

  11. Indoor VOC Concentrations

  12. Perceived Health Effects • In general, Priddis residents show a greater concern and take more action towards the sour gas issue • Significant correlation - Priddis & Bearspaw: level of concern  level of importance - Bearspaw:  level of concern  perceived health impacts

  13. Media and Public Perception

  14. LEGAL ISSUESReport of the Provincial Advisory Committee Advisory Committee • Representative cross section of affected interest groups • Critical in approach • Outlines a plan of implementation • EUB compliance critical Recommendations • Restructuring of the hearing process • Improved industry and public interaction • Better enforcement and more audits • Public education on sour gas issues

  15. Acknowledgements • We would like to thank the following people and organisations: • Butterfield Acres, Rothney Astronomical Observatory, K. McDonald, K. Foster, • Van Ho, Matt Tammam, John Tong, G. Kerlukes, T. Lambert, A. Lucas, S. Roth, and the ENSC faculty and staff.

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