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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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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
background continued and current state
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
the path forward
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
suggested recommendations paraphrased
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
suggested recommendations paraphrased1
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
suggested recommendations paraphrased2
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
passive program changes
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
passive correlation1
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

Network Assessment Suitability Map 2 – Permitted Facilities Weighting


Network Assessment Suitability Map 1 – Base Scenario


Network Assessment Suitability Map 3 – Current Site Negative Bias

network assessment suitability maps
Network Assessment Suitability Maps
  • Particular areas of note: Rycroft, Sexsmith, Clairmont, West of current Smoky Heights station
recommendations prioritized
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
recommendations prioritized1
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
recommendations prioritized2
Recommendations, prioritized
  • Continuous SO2 monitoring program change
    • Provides comfort to all stakeholders in current incarnation
      • No news?? Good News!
challenges and steps forward
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