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Overview

Overview. Operations: Background, Current State and Looking Forward. Passive program in operation since August 2002 H 2 S sampling introduced in 2012 Continuous monitoring program started in 2004 with Henry Pirker, remaining stations started in 2005 and Falher trailer in 2012.

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Overview

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  1. Overview Operations: Background, Current State and Looking Forward • Passive program in operation since August 2002 • H2S sampling introduced in 2012 • Continuous monitoring program started in 2004 with Henry Pirker, remaining stations started in 2005 and Falher trailer in 2012

  2. Background continued and Current State • Rover has operated at 6 locations to date • Current State • Network is essentially noted above: • 6+1 continuous stations • 44 passive locations sampling SO2/O3/NO2 • 3 passive locations sampling H2S

  3. The Path Forward • Network Assessment final submitted at end of October • Next phase of project: Board support for recommendations from TC • NA did not take regulatory, socio-political climate, etc into account • Provides PAZA with a framework to pivot toward emerging issues, optimize monitoring resources

  4. Suggested Recommendations (paraphrased) • Replace passive monitoring of O3 and NO2 with passive measurements of BTEX to assess spatial and temporal patterns in speciated hydrocarbons • Consider reducing the number of SO2 passive monitoring sites and/or relocating them closer to specific facilities of interest • Consider using passives in targeted studies of relevant pollutants near specific sites of interest, before/after studies

  5. Suggested Recommendations (paraphrased) • Station Relocations: • Smoky Heights west to better capture facility emissions, or to location such as Rycroft or Clairmont • Evergreen Park is not representative and influenced by micro-scale emissions, relocate to location such as “Countryside West” or SE of Wood Lake to capture downwind of Grande Prairie

  6. Suggested Recommendations (paraphrased) • Consider adding parameters to Henry Pirker and/or Rover: • BTEX to capture speciated hydrocarbons • PM10 or TSP to capture tilling/road dust • Aethlometer to capture black carbon (wood smoke) • Standardize and modernize PM2.5 monitoring • Phase TEOMs out, Sharp/Grimm/etc in • Determine if level of SO2 monitoring is required to meet compliance requirements • If can be reduced, redirect resources to BTEX, etc

  7. Passive Program Changes • Over 10 years of passive data across much of the network for SO2, O3, NO2 • Little temporal variance shown • Many sites very highly correlated • Many emerging issues within PAZA revolve around speciated hydrocarbons; BTEX

  8. Passive Correlation

  9. Passive Correlation • O3 table shown above • Red = High correlation • High correlation suggests redundancy • Handful of locations show very low correlation • Grande Prairie, Crooked Creek, Fitzsimmons • NO2, SO2 show progressively less correlation

  10. Recommendations Network Assessment Suitability Map 2 – Permitted Facilities Weighting

  11. Recommendations Network Assessment Suitability Map 1 – Base Scenario

  12. Recommendations Network Assessment Suitability Map 3 – Current Site Negative Bias

  13. Network Assessment Suitability Maps • Particular areas of note: Rycroft, Sexsmith, Clairmont, West of current Smoky Heights station

  14. Recommendations, prioritized • Added parameters • BTEX in the rover, *if* funding can be secured • Station relocation • Evergreen Park is poorly located for security as well as reasons mentioned above • Smoky Heights also heavily influenced by very local effects, areas to the west indicated as being potentially noteworthy

  15. Recommendations, prioritized • Reduction of passive program, introduce BTEX • Put passives on rotating schedule (similar to current duplicates schedule) through existing network, revisiting sites periodically to “scan” for changes. • Explore putting passives on 60-day schedule • Introduce BTEX at strategic locations (potential and known sites, background sites) to assess suitability for continuous monitoring • PM monitoring • Updating to Sharp analyzers already underway

  16. Recommendations, prioritized • Continuous SO2 monitoring program change • Provides comfort to all stakeholders in current incarnation • No news?? Good News!

  17. Challenges and Steps Forward • Changes to monitoring network requires approval from the Director • Draft Plan, Get Approval • Stakeholder input? • Circulate Draft, Hold Workshop?, Acquire Input • Costs/savings need to be clarified/determined • Timeline

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