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AoH Work Plan

AoH Work Plan. Air Resource Specialists, Inc. July 23, 2004. AoH Project Goals. Integrate and synthesize available 2002 monitoring, modeling, and emissions data to identify: Geographic source areas of emissions that contribute to impairment at federal and tribal Class I areas

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AoH Work Plan

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  1. AoH Work Plan Air Resource Specialists, Inc. July 23, 2004

  2. AoH Project Goals • Integrate and synthesize available 2002 monitoring, modeling, and emissions data to identify: • Geographic source areas of emissions that contribute to impairment at federal and tribal Class I areas • Mass and species distributions of emissions by source category within each geographic source area • The amount of natural and anthropogenic emissions affecting, and the associated visibility impact at, each Class I area • Final report to be completed in early 2005 as first step in processes toward 2007 deadline for SIPs and TIPs

  3. AoH Project Communications

  4. Data Review (1) • COHA preliminary conceptual models for all Class I areas • COHA back trajectory analysis (other source attribution results in time?) • COHA episodic analyses • Review results for previously identified sub-regions to determine if representative sites can be chosen • ARS review of optical data (depends on scope, time and money)

  5. WRAP Class I Areas andSub-Regions

  6. Data Review (2) • Determination of Regional Modeling Center (RMC) model performance, by RMC and ARS, as necessary – in depth model reconciliation with monitoring data not possible given time and monetary constraints • Preliminary source attribution for all federal and tribal Class I areas and sub-regions determined by RMC model runs • RMC model results for natural emissions

  7. Data Review (3) • Review of emissions inventories prepared for WRAP: • Point and area sources (Pechan & Associates) • Mobile sources and road dust (Environ) • Fire sources (Air Sciences) • Biogenics and wind blown dust (RMC) • Assessment of completeness of inventories • Review of literature and RPO reports related to these topics

  8. Additional Project Tasks (1) • Assessment and full documentation of methodologies, including calculated or estimated biases and uncertainties • Preparation of clear statements regarding what can and cannot be inferred from analysis results • Preparation of policy level summaries for each Class I area

  9. Additional Project Tasks (2) • Support, facilitate, and summarize AoH Workgroup and contractors’ input from meetings/conference calls • Provide an AoH project web site for dissemination of information, results, and reports • Compile topic reports from independent experts as necessary (will need to be assessed quickly to meet AoH schedule) • Prepare draft and final report

  10. Final Report • Essentially a large executive summary which highlights the methods, results, and recommendations of the AoH analysis • Project web page will contain the details supporting the hard copy report, and links to original source material • Specific details to be approved by AoH Workgroup

  11. Proposed Schedule (subject to change!)

  12. Questions • Scientific or regulatory analysis? • Schedule for completion of preliminary COHA tribal lands conceptual models? • RMC modeling runs may not be final by report deadline… best methods for comparing preliminary results with monitoring data? • Schedule for RMC to deliver results for natural emissions? • Is January 2005 a critical deadline? – Can final report be pushed out further?

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