Attribution of Haze Phase 2 and Attribution of Haze Phase 2 and Technical Support SystemTechnical Support System

Project UpdateProject Update

Dust Emissions Joint Forums Dust Emissions Joint Forums –– Tempe, AZTempe, AZNovember 16, 2005November 16, 2005

OverviewOverview

AoH Phase 2/TSS work plan AoH Phase 2/TSS work plan http://wrapair.org/forums/aoh/meetings/050817c/AoH_PhaseII_Work_http://wrapair.org/forums/aoh/meetings/050817c/AoH_PhaseII_Work_plan_draft_081705.pdfplan_draft_081705.pdf

Review of data summary products and suggested Review of data summary products and suggested modifications for Phase 2modifications for Phase 2IWG input from August meetingIWG input from August meetingAoH workgroup discussion from September 14AoH workgroup discussion from September 14--1515TSS scoping studyTSS scoping studyWeight of evidence approachWeight of evidence approachCritical milestonesCritical milestonesExample graphicsExample graphics

Goals of the AoH Phase 2 AnalysisGoals of the AoH Phase 2 Analysis

Refine Phase 1 techniques for use in Phase 2.Refine Phase 1 techniques for use in Phase 2.Reduce uncertainty and address the remaining Reduce uncertainty and address the remaining uncertainty in modeled data and attribution results.uncertainty in modeled data and attribution results.Analyze the differences between modeled results for Analyze the differences between modeled results for 2002 and the projected 2018 base case and various 2002 and the projected 2018 base case and various other control strategy scenarios.other control strategy scenarios.Develop additional analytical approaches (e.g., receptor Develop additional analytical approaches (e.g., receptor modeling, trends analysis, determination of the modeling, trends analysis, determination of the representativeness of baseline data set).representativeness of baseline data set).

Goals of the AoH Phase 2 TSS ProjectGoals of the AoH Phase 2 TSS Project

Provide a single webProvide a single web--based location for access and based location for access and display of technical data, display of analytical results, display of technical data, display of analytical results, and the reference location for related documentation to and the reference location for related documentation to support the regional haze implementation plans.support the regional haze implementation plans.Provide specific analysis tools to synthesize technical Provide specific analysis tools to synthesize technical and contextual data and GIS layers, conduct analyses, and contextual data and GIS layers, conduct analyses, and store results for subregional/local/Class I areaand store results for subregional/local/Class I area--specific regional haze planning.specific regional haze planning.Provide the analysis and display tools for Phase 2 Provide the analysis and display tools for Phase 2 analyses, and the technical support documentation for analyses, and the technical support documentation for WRAP region SIPs and TIPs for regional haze.WRAP region SIPs and TIPs for regional haze.

Team Members and ResponsibilitiesTeam Members and ResponsibilitiesTeam Member Primary Contacts Responsibilities

ARS Joe Adlhoch Analysis lead, responsible for compilation and interpretation of attribution and related results and communication with AoH and Implementation work groups

CIRA Shawn McClure Rodger Ames

Design/development lead and hosting; acquire appropriate data sets; use other team members for development support as appropriate (funded under separate contract)

ENVIRON Gerry Mansell Ralph Morris

Emissions inventory development and modeling results (predominantly funded under separate contract) Transfer of emissions, modeling, and attribution data to CIRA; development support for GIS applications as required

Image Matters Jeff Ehman John Davidson

Architectural/technical design; metadata template and catalog development; data discovery, viewing, and access capability - design and implementation; interoperability standards and specifications; GIS application support as required; documentation

AoH Work Group Provide oversight and review of web site development and products

Work Plan Tasks Work Plan Tasks –– Analysis ProjectAnalysis Project

Task 1: Solicit and define user requirements from the Task 1: Solicit and define user requirements from the appropriate WRAP work groups.appropriate WRAP work groups.Task 2: Prepare suite of data products based on final Task 2: Prepare suite of data products based on final 2002 emissions, modeling, and attribution results.2002 emissions, modeling, and attribution results.Task 3: Define the weight of evidence (WOE) Task 3: Define the weight of evidence (WOE) approach to be applied to AoH Phase 2 data.approach to be applied to AoH Phase 2 data.Task 4: Interpret 2018 results and implications for Task 4: Interpret 2018 results and implications for showing progress under the Regional Haze Rule.showing progress under the Regional Haze Rule.Task 5: Prepare draft and final AoH Phase 2 analysis Task 5: Prepare draft and final AoH Phase 2 analysis report.report.(Task 11: Travel to provide progress reports and solicit (Task 11: Travel to provide progress reports and solicit project feedback at WRAP meetings.)project feedback at WRAP meetings.)

Work Plan Tasks Work Plan Tasks –– TSS ProjectTSS Project

Task 6: Perform TSS requirements analysis and scoping Task 6: Perform TSS requirements analysis and scoping study.study.Task 7a: Acquire and prepare the relevant databases. Task 7a: Acquire and prepare the relevant databases. Task 7b: Summarize and evaluate WRAP Dust inventory.Task 7b: Summarize and evaluate WRAP Dust inventory.Task 8: Develop data review interfaces based on user Task 8: Develop data review interfaces based on user requirements. requirements. Task 9: Develop data exchange protocols and guidelines. Task 9: Develop data exchange protocols and guidelines. Task 10: Develop method to capture onTask 10: Develop method to capture on--line user line user feedback.feedback.Task 11: Travel to provide progress reports and solicit Task 11: Travel to provide progress reports and solicit project feedback at WRAP meetings.project feedback at WRAP meetings.

Project Timing by TaskProject Timing by Task

AoH Phase 2 Analysis TSS Development Travel Task(s) Task(s) Task Month

1 2 3 4 5 6 7a,b 8 9 10 11 August 2005 September 2005 October 2005 November 2005 December 2005 January 2006 February 2006 March 2006 April 2006 May 2006 June 2006 July 2006 August 2006 September 2006 October 2006

TSS Data Summary ProductsTSS Data Summary Products

Emissions, monitoring, modeling, and attribution results Emissions, monitoring, modeling, and attribution results will be housed in onwill be housed in on--line databasesline databasesUser requests will combine data with contextual User requests will combine data with contextual information and/or GIS layers (if appropriate)information and/or GIS layers (if appropriate)ARS and AoH work group will develop a Weight of ARS and AoH work group will develop a Weight of Evidence (WOE) approach for integrating resultsEvidence (WOE) approach for integrating resultsScoping study (Task 6) will determine the level of Scoping study (Task 6) will determine the level of sophistication achievable for data products during projectsophistication achievable for data products during projectAll data used for 2007 SIPS/TIPS will be version All data used for 2007 SIPS/TIPS will be version controlled to keep it separate from new data and controlled to keep it separate from new data and information added to the TSS over timeinformation added to the TSS over time

IWG SIP OutlineIWG SIP OutlineSIP Cover #1 SIP Submittal Letter (required) SIP Submittal letter enclosure (Authorizing statutes) (optional) SIP Completeness Checklist (required) Executive Summary (Optional) SIP Cover #2 1. Regional Haze Background

1.1. What is Visibility Impairment (optional) 1.2. State description (Class I Areas list/maps) (optional)1.3. Visibility History (optional) 1.4. Existing Visibility Protection in State (optional)

1.4.1. Monitoring Strategy 1.5. Federal Land Manager Consultation (required)

[Note: Refer to Appendices for contact letter & notice of SIP Hearing] 1.6. Collaboration with Tribes (strongly suggested/required if tribal source impacts CIA )

2. Regulatory Overview 2.1. Monitoring Strategy 2.2. Establishing Reasonable Progress Goals

2.2.1. Baseline Conditions 2.2.2. Natural Conditions 2.2.3. Glide path 2.2.4. Consideration/Consultation of RPG factors

2.2.4.1. Costs of compliance 2.2.4.2. Time necessary for compliance 2.2.4.3. Energy and non-air quality environmental impacts of compliance 2.2.4.4. Remaining useful life of any potentially affected sources

2.2.5. Consultation on RPG’s 2.2.6. Emissions reductions measures needed

2.3. Apportionment of Contribution by Pollutant and Predominant Sources 2.3.1. Contribution from Outside the State 2.3.2. Contribution from natural sources

2.4. Projected Emissions by Pollutant 2.5. Long Term Strategies

2.5.1. Enforcement (description of existing control strategies, authority) 2.6. Demonstration of Reasonable Progress

2.6.1. Weight of Evidence 2.6.2. Consultation

2.7. Periodic Review [NOTE: 5 year average of annual values]

3. National, regional and state-wide strategies 3.1.1. 2018 Baseline/Alternative Control Strategies 3.1.2. Mobile Sources 3.1.3. Enhanced Smoke Management Plans

4. Class I Area Analyses (to be used with Table __) 4.1. CIA #1

4.1.1. Analysis of chapter 2 requirements 4.2. CIA #2, etc

5. Class I Areas (and Tribal Class I Areas) Impacted by (my) State [NOTE: Same analysis as Chapter 3, but by percentage of apportionment]

Revised SIP outline Revised SIP outline developed at August 29developed at August 29--30 meeting30 meetingItems in Items in redred are directly are directly supportable by TSS and supportable by TSS and are required products of are required products of TSSTSSEach of these items exists Each of these items exists from Phase 1 or is from Phase 1 or is planned for the TSSplanned for the TSS

IWG Flow Chart #1IWG Flow Chart #1

2018 Baseline/Alternative Control Scenario Flowchart

Done

Uniform Rate of Progress Met?

2018 Baseline Scenario

Analyze 2018 Alternate Control

Scenarios

Uniform Rate of Progress met?

Justify why Uniform Rate of Progress not

met

NO

NO YES

YES

NO

2018 Control Strategy Evaluation Process

Consult with other States and FLMs on selected reasonable

progress goals.

State evaluates and selects alternative control measures

based on the four factors.

WRAP evaluation of 2018 baseline and alternative

control measures.

Establish reasonable progress goals based on all

control measures to be implemented.

Do reasonable progress goals achieve the Uniform Rate of

Progress?

Explain why it is not reasonable to achieve the

Uniform Rate of Progress by 2018.

NOYES

IWG Flow Chart #2

Highlights of AoH 9/14Highlights of AoH 9/14--15 Meeting (1):15 Meeting (1):TSS Scoping Study ScheduleTSS Scoping Study Schedule

Scoping study (task 6) must be completed before Scoping study (task 6) must be completed before most of the remaining TSS tasks (7most of the remaining TSS tasks (7--10) can be 10) can be startedstartedExpected completion: November 2005Expected completion: November 2005AoH work group will receive a detailed update at AoH work group will receive a detailed update at November meetingNovember meeting

Highlights of AoH 9/14Highlights of AoH 9/14--15 Meeting (2):15 Meeting (2):AoH Feedback on TSSAoH Feedback on TSS

TSS should include emissions data from TSS should include emissions data from EDMS and SMOKEEDMS and SMOKE

Attribution map products should show Attribution map products should show “footprint” of a state’s impact (essentially an “footprint” of a state’s impact (essentially an isopleth map of particulate isopleth map of particulate mass/extinction/dv impact for each state)mass/extinction/dv impact for each state)

Discussion of necessity to link TSS products to Discussion of necessity to link TSS products to the Implementation Work Group SIP the Implementation Work Group SIP outline/templateoutline/template

Request for some sort of TSS/WOE tutorialRequest for some sort of TSS/WOE tutorial

Highlights of AoH 9/14Highlights of AoH 9/14--15 Meeting (3):15 Meeting (3):Upcoming AoH Calls/MeetingsUpcoming AoH Calls/Meetings

Meeting: November 16Meeting: November 16--17 (Tempe, AZ)17 (Tempe, AZ)Present Scoping Study update (should be near Present Scoping Study update (should be near completion)completion)

Present strawman WOE approachPresent strawman WOE approach

Meeting: November 16Meeting: November 16--17 (Tempe, AZ)17 (Tempe, AZ)

Call: December 13 @ 2:30 MDT)Call: December 13 @ 2:30 MDT)

Meeting: January 24Meeting: January 24--26 (San Diego, CA)26 (San Diego, CA)Present beta version of TSSPresent beta version of TSS

TSS Scoping Study OutlineTSS Scoping Study OutlineIdentify, understand, and refine the user/system Identify, understand, and refine the user/system requirementsrequirements

Match products types with user needs (e.g., SIP outline)Match products types with user needs (e.g., SIP outline)Identify a set of case studies that illustrate the system’s useIdentify a set of case studies that illustrate the system’s use

Explore the architectural optionsExplore the architectural optionsSelect and evaluate a candidate architecture (feasibility, Select and evaluate a candidate architecture (feasibility, available expertise)available expertise)Revisit system requirements Revisit system requirements –– changes needed?changes needed?Finalize selection: create set of documents and diagrams that Finalize selection: create set of documents and diagrams that describe system architecture, team member rolesdescribe system architecture, team member roles

Generate a detailed project planGenerate a detailed project planWhat is feasible with available time/funds?What is feasible with available time/funds?What cannot be done at this time?What cannot be done at this time?Minimum requirement: Minimum requirement: MUSTMUST support SIP preparationsupport SIP preparation

TSS Scoping Study ScheduleTSS Scoping Study Schedule

Scoping study (task 6) must be completed before Scoping study (task 6) must be completed before most of the remaining TSS tasks (7most of the remaining TSS tasks (7--10) can be 10) can be startedstartedExpected completion: November 2005Expected completion: November 2005AoH work group will receive a detailed update at AoH work group will receive a detailed update at November meetingNovember meeting

Weight of Evidence ApproachWeight of Evidence ApproachRecipe for assessment of reasonable progress:Recipe for assessment of reasonable progress:

Comparison between 2000Comparison between 2000--04 baseline and 2018 base case04 baseline and 2018 base caseReview alternate methods of calculating 2000Review alternate methods of calculating 2000--04 baseline (exclude fire, etc.?)04 baseline (exclude fire, etc.?)Review of alternate 2018 control scenariosReview of alternate 2018 control scenariosJustification of why a site does or does not show reasonable proJustification of why a site does or does not show reasonable progressgress

Checklist containing each products type:Checklist containing each products type:Succinct description of what information product displaysSuccinct description of what information product displaysRelative uncertainty of each productRelative uncertainty of each productRelative importance or weight of each productRelative importance or weight of each product

Assessment of how well various analyses “agree”:Assessment of how well various analyses “agree”:Do all attribution methods tend toward similar results?Do all attribution methods tend toward similar results?Do EIs combined with back trajectory analyses support attributioDo EIs combined with back trajectory analyses support attribution results?n results?Do changes in EIs support reasonable rate of progress demonstratDo changes in EIs support reasonable rate of progress demonstration?ion?

Prepare tutorial for users Prepare tutorial for users –– several case studies which require several case studies which require somewhat different approachessomewhat different approaches

Highlights of 9/14Highlights of 9/14--15 AoH Meeting:15 AoH Meeting:Emissions Data and ModelingEmissions Data and Modeling

Final 2002 emissions inventories availableFinal 2002 emissions inventories availableWhen will these be put into EDMS?When will these be put into EDMS?

Do we need to wait for EI data to be put into Do we need to wait for EI data to be put into EDMS?EDMS?

Attribution modeling to be done with Attribution modeling to be done with CAMx/PSAT:CAMx/PSAT:

Planning to run for SO4, NO3, NH4Planning to run for SO4, NO3, NH4

May test for SOA, EC, OC, Soil, CMMay test for SOA, EC, OC, Soil, CM

2002 modeling done by Oct 10 (?), attribution 2002 modeling done by Oct 10 (?), attribution results available by Oct 31 (?)results available by Oct 31 (?)

Highlights of AoH Meeting 9/14Highlights of AoH Meeting 9/14--15:15:Causes of Haze Project UpdateCauses of Haze Project Update

Some new trends products on COHA web site Some new trends products on COHA web site ((http://coha.dri.edu/web/general/tools_trendanaly.htmlhttp://coha.dri.edu/web/general/tools_trendanaly.html))

PMF analysis (source apportionment) will be PMF analysis (source apportionment) will be completed ~1 month after release of 2004 completed ~1 month after release of 2004 IMPROVE aerosol dataIMPROVE aerosol dataWill run PMF for groups of sites (possibly Will run PMF for groups of sites (possibly based on earlier attribution results or carbon based on earlier attribution results or carbon mass)mass)Discussion about DRI running evaluations of Discussion about DRI running evaluations of EDAS met fields (details need to be resolved)EDAS met fields (details need to be resolved)

Weight of Evidence ApproachWeight of Evidence Approach(from Ralph Morris (from Ralph Morris –– WRAP RMC)WRAP RMC)

Glide paths and modeled RPG test (EPA)Glide paths and modeled RPG test (EPA)Eliminate days dominated by “natural” Eliminate days dominated by “natural” events in modeled RPG test (e.g., fires, dust)events in modeled RPG test (e.g., fires, dust)2018 projections for species dominated by 2018 projections for species dominated by anthropogenic emissions (e.g., SO4, NO3)anthropogenic emissions (e.g., SO4, NO3)2018 projections for modeled worst visibility 2018 projections for modeled worst visibility days, worst sulfate days, etc.days, worst sulfate days, etc.Other???Other???

Review of AoH Project ScheduleReview of AoH Project Schedule

Phase 2 Report

DraftDraft TSS Home PageTSS Home Page

Emissions DataEmissions Data

Use EDMS as data sourceUse EDMS as data sourceSummary of emissions data Summary of emissions data will be available by source will be available by source type, point, county, and type, point, county, and grid cellgrid cellProvide summaries of Provide summaries of projected changes in projected changes in emissions from 2002 to emissions from 2002 to 20182018Include GIS informationInclude GIS information

Oxides of Nitrogen (NOX)4,479 thousand tons/yr

Point

Area

On-Road Mobile

Off-Road Mobile

Rx Fires

Ag Fires

Off-Shore

Windblown Dust

Road Dust

Wildland Fire

Biogenics

Animals/Soils NH3

Sulfer Dioxide (SO2)1,326 thousand tons/yr

Volatile Organic Carbon (VOC) 17,288 thousand tons/yr

Ammonia (NH3)1,938 thousand tons/yr

Fine Particulates (PM2.5)2,345 thousand tons/yr

Coarse Particulates (PMC) 3,524 thousand tons/yr

Area SourcesArea SourcesArea sources except dust sourcesArea sources except dust sourcesOff shore Marines shipping in the Pacific OceanOff shore Marines shipping in the Pacific OceanOff shore area sources in the Gulf of MexicoOff shore area sources in the Gulf of Mexico

Point SourcesPoint SourcesPoint sources emissions for all RPOs, Can & Point sources emissions for all RPOs, Can & MexMexOff shore point sources in the Gulf of MexicoOff shore point sources in the Gulf of Mexico

Mobile SourcesMobile SourcesOn road mobile sources for WRAP RPO On road mobile sources for WRAP RPO OnOn--road mobile sources for CENRAP statesroad mobile sources for CENRAP statesOnOn--road mobile sources for MW, VISTAS, & MAINEroad mobile sources for MW, VISTAS, & MAINE--VUVUOnOn--road mobile sources for Can/road mobile sources for Can/MexMex

Off Road Mobile SourcesOff Road Mobile SourcesOff road mobile with annual IDA filesOff road mobile with annual IDA filesOff road mobile with monthly or seasonal IDA filesOff road mobile with monthly or seasonal IDA files

Source Categories Provided by the RMCSource Categories Provided by the RMC

Fire SourcesFire SourcesWRAP wild, prescribed and agricultural firesWRAP wild, prescribed and agricultural firesArea fires from CENRAPArea fires from CENRAPPoint sources fires from non WRAP states (CENRAP and VISTAS)Point sources fires from non WRAP states (CENRAP and VISTAS)Canadian Wild fires/Blue Sky algorithmCanadian Wild fires/Blue Sky algorithm

Biogenic SourcesBiogenic SourcesBiogenic emissions from BEIS3 for the entire domainBiogenic emissions from BEIS3 for the entire domain

Ammonia SourcesAmmonia SourcesAmmonia from agricultural sources for CENRAP/MW statesAmmonia from agricultural sources for CENRAP/MW statesAmmonia emissions Ammonia emissions agag sources for WRAP GIS sources for WRAP GIS modelmodel

Dust SourcesDust SourcesFugitive dust (Ag & construction) for entire domainFugitive dust (Ag & construction) for entire domainRoad dust for the entire domainRoad dust for the entire domainWind blown dust for entire domainWind blown dust for entire domain

Oil and Gas SourcesOil and Gas SourcesOil and gas for WRAP states (except CA)Oil and gas for WRAP states (except CA)

Source Categories Provided by the RMC (cont.)Source Categories Provided by the RMC (cont.)

PM10(Tons/year)

>10,0008,000 - 10,0007,000 - 8,0006,000 - 7,0005,000 - 6,0004,000 - 5,0003,500 - 4,0003,000 - 3,5002,500 - 3,0002,000 - 2,5001,500 - 2,0001,000 - 1,500500 - 1,000

All Base02a Dust Sources Combined

PMC(Tons/year)

>10,0008,000 - 10,0007,000 - 8,0006,000 - 7,0005,000 - 6,0004,000 - 5,0003,500 - 4,0003,000 - 3,5002,500 - 3,0002,000 - 2,5001,500 - 2,0001,000 - 1,500500 - 1,000

PointSources

PM10(Tons/year)

>10,0008,000 - 10,0007,000 - 8,0006,000 - 7,0005,000 - 6,0004,000 - 5,0003,500 - 4,0003,000 - 3,5002,500 - 3,0002,000 - 2,5001,500 - 2,0001,000 - 1,500500 - 1,000

FugitiveDust

Sources

PM10(Tons/year)

>10,0008,000 - 10,0007,000 - 8,0006,000 - 7,0005,000 - 6,0004,000 - 5,0003,500 - 4,0003,000 - 3,5002,500 - 3,0002,000 - 2,5001,500 - 2,0001,000 - 1,500500 - 1,000

RoadDust

SourcesPM10

(Tons/year)

>10,0008,000 - 10,0007,000 - 8,0006,000 - 7,0005,000 - 6,0004,000 - 5,0003,500 - 4,0003,000 - 3,5002,500 - 3,0002,000 - 2,5001,500 - 2,0001,000 - 1,500500 - 1,000

WindblownDust

Sources

Dust by Category

Monitoring/Modeling DataMonitoring/Modeling Data

Display visibility Display visibility based on monitoring based on monitoring or modeling resultsor modeling resultsInclude RHR and other Include RHR and other monitoring data setsmonitoring data setsTie in 2000Tie in 2000--2004 baseline 2004 baseline and glide and glide path resultspath resultsInclude GIS Include GIS informationinformation

Uniform Rate of Reasonable Progress Glide PathGreat Smoky Mountains NP (TN) - 20% Worst Days

28.9427.77

24.86

21.94

19.02

16.11

13.1911.44

25.2323.76

0

5

10

15

20

25

30

35

1989 1994 1999 2004 2009 2014 2019 2024 2029 2034 2039 2044 2049 2054 2059 2064

Year

Haz

ines

s In

dex

(Dec

ivie

ws)

Glide Path Natural Condition (Worst Days) Observation Method 1B Prediction

Attribution DataAttribution Data

Attribution results will Attribution results will include: PSAT, TRA, PMFinclude: PSAT, TRA, PMFIntegrate results with EIsIntegrate results with EIsProvide more results with Provide more results with map products than in Phase 1map products than in Phase 1Review attribution groupingsReview attribution groupings

TSSA SulfateContribution by

"Other"

10%

40%

70%

TSSA Sulfate ContributionAttributed to the "Other"(non-Point, non-Mobile)Source Category 1

2

34

5

6

7

8

9

10

11

12

13

14

15

1617

18

1920

Supporting DataSupporting Data

Assess what supporting Assess what supporting data is needed for SIP/TIP data is needed for SIP/TIP preparation and WOEpreparation and WOERegional assessments Regional assessments included in Phase 1?included in Phase 1?Back trajectory summaries?Back trajectory summaries?Integrate with GIS data?Integrate with GIS data?Links to data web sitesLinks to data web sites

Display States, Class I Areas

Home extent set to 36km grid

Zoom rectangle tool

Class I Areas labeled when zoomed beyond 1:5,000,000

Counties appear when zoomed beyond 1:5,000,000

Zoom further in

Roads appear when zoomed beyond 1:2,000,000

Turn on gridded emissions layer for VOC

Zoom to Bay Area to test identify tool

Identify by grid cell to get gridded emissions values (all pollutants shown)

Turn on gridded emissions layer for NOX

Zoom in and identify by grid cell to get gridded emissions values (all pollutants shown)

Turn on county-based SMOKE emissions layer for SO2

Zoom in and identify by county to get county emissions values (all pollutants shown)

View zoomed area with grid cells displayed; could be used for selecting a grid cell but actually querying county-based emissions

New Data Summary ProductsNew Data Summary Products

Presentation of control strategies Presentation of control strategies –– may be descriptive text may be descriptive text with bar charts showing anticipated reductionswith bar charts showing anticipated reductionsProjected 2018 emissions, visibility, modeling, and Projected 2018 emissions, visibility, modeling, and attribution results attribution results –– will be able display just like 2002 will be able display just like 2002 results; will also include display of 2002results; will also include display of 2002--2018 changes2018 changesHistorical trend and future glide slope analyses Historical trend and future glide slope analyses –– may may include multiple data sets (RHR, “raw”) and extinction include multiple data sets (RHR, “raw”) and extinction equations (current and proposed) equations (current and proposed) –– both VIEWS and both VIEWS and COHA projects working on versions of these productsCOHA projects working on versions of these productsWeight of evidence approachWeight of evidence approachAbility for users to add data/GIS layers/analyses to TSSAbility for users to add data/GIS layers/analyses to TSS

Thanks Thanks --

Questions/comments?Questions/comments?