Emerging Issues in Air Quality by 0ORG1To

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									Emerging Issues in Air Quality




            Karen Perritt, M.S.
           Air Quality Specialist
    FHWA Resource Center @ Baltimore
  410-962-0720; karen.perritt@fhwa.dot.gov
What’s ahead?...
•   MOVES Emissions Model (EPA)

•   Climate Change

•   Transportation Conformity
      Quantitative PM Guidance
      CO Categorical Finding
      PM Categorical Finding

•   MSAT Guidance

•   Help me!
     • Web-based Conformity Training
     • Examples of Transportation Conformity Practices Website
MOVES = MOtor Vehicle Emissions Simulator
• Modeling system developed by US EPA, will…
      – Estimate emissions from on-road and nonroad sources
      – Cover a broad range of pollutants
      – Allow multiple scale analysis (national to fine-scale)

• Replacement for MOBILE6 and NONROAD models

• Why?
     – Address new analysis needs
     – Keep pace with new modeling approaches
     – Incorporate new data

       More information available at http://www.epa.gov/otaq/ngm.htm
MOVES, SIP, and Possible Conformity Timeline


    2007       2008            2009       2010     2011          2012      2013          2014




 Demo                 Draft      Final              MOVES
On-Road              On-Road    On-Road           required for
MOVES                MOVES      MOVES             Conformity
                                                 (up to 2 year
                                                 grace period)          Revised O3 SIP
              PM2.5 SIP                                                 Submittals Due
           Submittals (based
             on MOBILE)
                                                            24-hr
                                                          PM2.5 SIP
                                                          Submittals
     O3 SIP
                                                            Due
 Submittals (based
   on MOBILE)

                                                                                   Timeline courtesy of US EPA
Implications of MOVES Release
• Some MPOs may have difficulty demonstrating conformity for
  plans and TIPs with the new model, delaying federal projects

• EPA plans to issue guidance for hotspot modeling for particulate
  matter (PM2.5 and PM10) to replace existing guidance for
  qualitative analysis

• No statutory grace period for NEPA use, but will be required at
  some point (and commenters may want draft analyses redone
  with the newer model)
What should environmental specialists do?
Stay in touch with your DOT/state air agency
   • Preparing for MOVES implementation?
   • Any local issues?

When released, read/review…
  • MOVES SIP and Conformity Policy Guidance
  • Project Level Conformity Guidance for PM
  • MOVES Technical Guidance for SIPs and Conformity
      (maybe)
 Climate Change

See you tomorrow!
Conformity – PM Quantitative Guidance
The Transportation Conformity Rule requires quantitative PM hotspot
  analyses for projects of localized air quality concern once EPA
  releases modeling guidance.

Current: Qualitative analysis required for projects of air quality concern

Future: Quantitative analysis required, after
        – EPA releases modeling guidance
        – EPA announces that quantitative PM2.5 hotspot analyses are
          required under 93.123(b)(4)

Implications: NEPA documents will include a quantitative analysis
Conformity – CO Categorical Finding
• Hotspot analysis is required for federal projects in CO nonattainment
  and maintenance areas.

Current = modeling/analysis for each project by the project sponsor

Future = DOT makes a CO Categorical Finding
    • Hotspot requirements are met without further analysis
        – Based on DOT modeling scenarios
             Consider emissions from category of projects based on
              size, configurations, LOS, resulting impact on air quality
        – In consultation with EPA
        – Note: project-level conformity determination still required
                                                            40 CFR 93.123(a)(3)
Conformity – PM Categorical Finding
• Hotspot analysis is required for some federal projects in PM
  nonattainment and maintenance areas.

Current = qualitative analysis for each project

Future #1 = EPA releases quantitative guidance (after MOVES release)
Future #2 = DOT makes a PM Categorical Finding
    • Hotspot requirements are met without further analysis
        – Based on DOT modeling scenarios
        – In consultation with EPA
        – Note: project-level conformity determination still required
Possible Implications of CO and PM Categorical Findings

• Less air quality analysis (and less review) for NEPA documents

• More streamlined/standardization across projects or across states

• Less room for project-level comment/criticism (?) from public and
  consultation agencies
       – May still discuss whether project fits in category
MSAT Guidance
Mobile source air toxics (MSATs) impacts are considered on a project
  level basis.

Current: MSAT Interim Guidance issued by FHWA in February 2006
        – Qualitative assessment of impacts
        – Based on expected “level” of impacts

Future: Changes to guidance?

Implications: ?
Help me! Transportation Conformity Training
• Web-based, self-paced training on Transportation Conformity for
  FHWA Division staff
       – Environmental specialists, planners, engineers, managers
• Designed as full training or module based
• Modules include: Conformity Overview, What is a SIP, Project-level
  Conformity, PM Hotspot Analyses, and many more
• Expected to be ready/announced this fiscal year
• Beta test case reviewer?
DRAFT – INFORMATIONAL PURPOSES ONLY
Help Me! Examples of Transportation Conformity Practices
Website
Searchable “clearinghouse” of Transportation Conformity documents
   • State Implementation Plans (SIPs) with mobile source measures
   • PM Hotspot Analyses
   • PM Hotspot Procedures

Expected to be available by end of fiscal year
Questions? Comments?

								
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