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Mingo, Missouri

Regional Haze Consultation - Mingo (MO) - Hercules Glades (MO) - Upper Buffalo (AR) - Caney Creek (AR) Air Quality Advisory Committee Meeting March 22, 2007. Mingo, Missouri. Consultation.

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Mingo, Missouri

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  1. Regional Haze Consultation - Mingo (MO) - Hercules Glades (MO) - Upper Buffalo (AR) - Caney Creek (AR) • Air Quality Advisory Committee Meeting • March 22, 2007 Mingo, Missouri

  2. Consultation • The regional haze rule requires state to consult with other states that contribute visibility impairment to its Class l areas. There are two Class l areas in Missouri, Mingo and Hercules Glades. • The goal of consultation is to obtain additional emission reductions in order to meet the 2018 Reasonable Progress Goals (RPGs) by working with other states, tribes, FLM, and EPA.

  3. Consultation Process • Developed a draft consultation plan. • Continue to refine the technical analysis, RPGs, source contributions, area of influence, cost and control strategy, etc. • Initiate consultation with other States.

  4. Today’s Topics • How to determine contributing states? • How to determine emissions reduction targets and potential sources? • Next steps

  5. What is Regional Haze • Very fine particles and gases • Sulfate (power plants, industrial boiler, lead smelter, etc.) • Nitrate (power plants, mobile sources, cement kilns) • Organic Carbon (mobile sources, wood combustion, fires) • Elemental Carbon (diesel engines, other combustion) • Crustal Material (limestone quarry, fugitive dust) • Scatter or absorb light

  6. Hercules Glades

  7. Hercules Glades

  8. How to determine contributing States • Emissions/Distance (Q/D) - MDNR • Trajectory/Factor Analysis (PMF) - MDNR • Area of Influence (AOI) - Alpine Geophysics • Source apportionment (PSAT) - ENVIRON

  9. Area of Influence NOx: MO,AR,OK,KS,NE,IA,SD SO2: MO,AR,MS,AL,TN,KY,IL,IN

  10. Mingo MO, IL, IN, KY MO, IL, KY, AR, KS

  11. Hercules Glades MO, IL, IN, KY MO, AR, LA, OK, TX, KS, IA, MN, LA

  12. PM Source Apportionment

  13. Contributing StatesMingo Class I Area

  14. How to determine emissions reduction targets • Determine the DV shortfall to meet the 2018 URP goal at each class l area. • Convert the DV shortfall to PM species required either single specie only or multiple species in propotion. • Determine species/precursor emissions coefficients within AOI for each class l area. • Calculate emissions reduction needed to meet the shortfall

  15. What is a Visibility Shortfall Baseline Condition Modeled RPG Natural Condition 2018 Shortfall = 22.27 – 23.08 = - 0.81 dv

  16. 2018 Visibility Shortfalls (2018F)

  17. Emission reductions needed to meet the 2018 RPG

  18. Identify Potential Emissions Sources • Start with geo-coded county list • Identify sources for potential control • Apply all available controls to each source • Eliminate tech that are not cost-effective

  19. SO2 Emissions by State/Source Category

  20. NOx Emissions by State/Source Category

  21. Potential Sources

  22. Control options should leave to States • States review existing or planned controls for major sources in AOI • emissions and existing controls • States determine sources for which 4 factors analysis will apply • source-specific costs, existing controls, remaining useful life, environmental and energy impacts • States define which sources will be included in control strategy runs

  23. Next Steps • Send the draft plan to contributing states. • Revise the contributing states list based on new PSAT results from CENRAP. • Initiate the consultation process by • a conference call for consultation in February • A face to face meeting in March? • Work with states to refine the potential sources list using a 4-factor analysis. • Conduct sensitivity modeling on potential sources.

  24. States define Control Options • States review/confirm the existing or planned controls for major SO2 & NOx sources • States determine sources for which 4 factors analysis will apply • source-specific costs, existing controls, remaining useful life, environmental and energy impacts • States identify which sources with controls will be included in control strategy runs

  25. Next Steps • Send the consultation plan to states. • Set up a “kick-off” conference call for consultation. • Revise the contributing states list based on latest PSAT results and Q/d calculations. • Work with states to refine the potential sources list using a 4-factor analysis. • Conduct control strategy modeling on potential sources.

  26. Questions? Hercules Glades, Missouri

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