2014 Midwest and Central States Air Quality Workshop
April 22 - 24, 2014
St. Louis, MO



The Workshop brought together air quality researchers who have a focus on the central and midwestern portions of the U.S., technical state agency staff, and federal regulatory agency staff to share current research, methodologies, and projects.  Session topics included emissions, data analyses, and modeling.


Meeting Location

Drury Plaza Hotel at the Arch, 4th floor conference room, 2 South 4th Street in downtown St. Louis.


Meeting Attire:

Jackets and ties are not allowed; Hawaiian shirts are optional.


Day 1, Tuesday, April 22, 201


12:30     Welcome and Introductions – Rob Kaleel (LADCO), Theresa Pella (CenSARA), and

Kirk Baker (US EPA OAQPS)

01:00    Overview of Central and Midwestern States Air Quality Issues: Design Values, Nonattainment, etc. - Theresa Pella (CenSARA) and Donna Kenski (LADCO)


Ammonia (Moderator – Kirk)

01:30     Elevated Winter Nitrate in the Upper Midwest - Dr. Charles Stanier (Univ. of Iowa)

02:00     Process Based Ammonia Emissions Estimates - Margaret McCourtney (Minnesota)

02:30     Modeling and Observational Constraints of NH3 Emissions and Sources of Nitrogen Deposition - Daven Henze Daven Henze(University of Colorado at Boulder)

03:00     Ammonia Monitoring NetworkDavid Gay (Illinois State Water Survey)


Oil & Gas (Moderator – Theresa)

03:30     Development of EPA Oil & Gas Emissions Calculator Tool - Roy Huntley (US EPA OAQPS)

04:00     Satellite Signatures of Trace Gases Associated with US Oil and Gas Extraction FY 14 AQAST ProjectDebra Kollonige (Univ of MD) and Brad Pierce (NOAA)

04:30     Status of Methane Emission Studies Across the Natural Gas System - Andrew Williams (Env. Defense Fund)

05:00     Wrap up for the day


Day 2, Wednesday, April 23, 2014 Emissions Modeling (Moderator – Rob)

08:00     Relationships and Trends among Satellite NO2 Column and NOX Emissions - David Streets (Argonne National Lab) AQAST Project

08:30     What can year-long hourly measurements tell us about emissions? -  Benjamin de Foy (Saint Louis University)

09:00     Coordinating Research Council Project:  State-Supported MOVES Input ImprovementsJohn Koupal (Eastern Research Group)

09:30     ERTAC EGU Model and Compare/Contrast to IPMMark Janssen (LADCO)

09:50     Characterizing Growth in the Power Sector for Regional Air Quality Modeling - Bob Lopez (Wisconsin)

10:15     Residential Fuel Combustion Inventory and Projections Melissa Kuskie  (Minnesota)

10:45     Compare/Contrast of MEGAN and BEIS - Kirk Baker (US EPA)


Meteorological and Air Quality Modeling (Moderator – Rob)

11:15     CMAQ and CAMx Overview and Recent UpdatesChris Emery (Environ)

11:45     IWRF Meteorological Model EvaluationDavid Brown (State of Iowa)

12:45    LADCO’s 2011 and 2018 Ozone ModelingAlex Cohan (LADCO)

01:15    IWAQM3: Single Source Long Range Transport - Bret Anderson (USFS) and Near-Field Secondary ImpactsKirk Baker (US EPA)


Transport/Source Apportionment (Moderator – Kirk)

01:45     2011 Based Source Contribution and Sensitivity Modeling - Kirk Baker ( US EPA)

02:15     Quantifying Source Contributions to O3 and PM2.5 Pollution Episodes across the Eastern US AQAST Project - Tracey Holloway (Univ. of Wisconsin -Madison)

02:45     SEMAP 2018 Ozone and PM2.5 Projections and Ozone Transport ModelingJim Boylan (Georgia DEP)


Exceptional Events, Fires, and background (Moderator – Kirk)

03:15     Quantifying Regional Background Ozone for Houston, TXJim Smith (TCEQ)

03:45     Flint Hills Exceptional Event Technical Demonstration - Kenneth Craig and Lyle Chinkin (Sonoma Tech on behalf of Kansas)

04:15     Impact of Western State Fires on the Central and Midwest US - Tom Moore (WRAP)

04:40     DEASCO3 Project and WRAP Tools- Purpose and Usefulness for the Central and Midwestern States - Tom Moore (WRAP)

05:00     Wrap up for the day

Day 3, Thursday, April 24, 2014


Single Source Modeling for Secondary Pollutants (near field/long range) (Moderator – Rob)

08:00     LADCO Approach - Alex Cohan (LADCO)

08:20     Development and Application of PM2.5 Interpollutant Trading Ratios to Account for PM2.5 Secondary Formation in GeorgiaJim Boylan (Georgia DEP)  


1-hr SO2 NAAQS Panel (Moderator – Rob)

08:45    Designations, Permitting, SIP Work - Panel members include: John Summerhays-Presentation (US EPA, Region 5), Erik Snyder-Presentation (US EPA, Region 6), Ken Ritter-Presentation (Indiana), Emily Wilbur (Missouri), Jeff Sprague-Presentation Part I and Part II and David Bloomberg (Illinois)  

State Technical Work Highlights– (5-10 min each) (Moderator – Theresa)

09:45     LADCO States (IL, IN, MI, MN, OH, WI) and CenSARA States (AR, IA, KS, LA, MO, NE, OK, TX)

11:45     Meeting summary and group discussion on workshop reactions and next steps


Adjourn workshop (12:30)