### Audio Files and Time Stamps Wednesday, (August 12, 2015) Day1_AM1_Audio Presentations by EPA8:30 - 8:40 AM Conference Overview and Logistics George Bridgers, OAQPS 

### 0:00:04 8:40 - 8:50 AM Welcome and Opening Remarks Chet Wayland, OAQPS 

### 0:07:56 8:50 - 9:05 AM Current Status of Appendix W and Overview of Proposed Revisions to Appendix W Tyler Fox, OAQPS 

### 0:15:32 9:05 - 9:15 AM AERMOD v15181 Regulatory Update Roger Brode, OAQPS 

### 0:36:00 9:15 - 9:30 AM Proposed Updates to the AERMOD Modeling System Roger Brode, OAQPS 

### 0:42:38 9:30 - 9:40 AM Proposed Updates to the AERMOD Modeling System - AERSCREENJames Thurman, OAQPS 

### 1:00:57 9:40 - 9:55 AM Proposed Updates to the AERMOD Modeling System - Proposed NO2 Tier2 and Tier 3 Revisions Chris Owen, OAQPS 

### 1:06:10 9:55 - 10:10 AM Modeling of Mobile Sources Chris Owen, OAQPS 

### 1:13:00 10:10- 10:30 AM 

### Day1_AM2_Audio 10:30 - 10:45 AM Meteorological Data for Dispersion Models James Thurman and Chris Misenis, OAQPS 

### 0:00:45 10:45 - 11:00 AM Long Range Transport for NAAQS and Increment Assessments Tyler Fox, Kirk Baker, and Chris Owen, OAQPS 

### 0:11:18 11:00 - 11:30 AMTreatment of PM2.5 and Ozone in PSD Compliance DemonstrationsKirk Baker and James Kelly, OAQPS 

### 0:31:50 11:30 - 11:40 AMStatus and Role of the Model Clearinghouse George Bridgers, OAQPS 

### 0:53:27 11:40 - 11:55 AMSingle-Source and Cumulative Impact Analyses George Bridgers and Tyler Fox, OAQPS 

### 1:04:00 11:55 AM - 1:20 PM 

### Day1_PM1_Audio 1:20 - 1:30 PM Introduction to and Opening of the Public Hearing (Day 1) George Bridgers, OAQPS 

### 0:01:22 1:30 - 1:45 PM Source Characterization Issues for Near-Field (AERMOD) ModelingBob Paine, AECOM for AISI 

### 0:04:04 1:45 - 2:00 PM AERMOD Low Wind Evaluation Results for Tall Stack Databases Bob Paine, AECOM for EPRI 

### 0:19:55 2:00 - 2:15 PM AERMOD Treatment of Buoyant Stack Releases in Convective, Low Mixing Height Conditions Bob Paine, AECOM for Lignite Energy Council 

### 0:34:30 2:15 - 2:30 PM Perspectives and Experience with ARM and ARM2 Rich Hamel, ERM 

### 0:46:52 2:30 - 2:45 PM Evaluation of AERMOD with Alternate NOx Chemistry Scheme Cathe Kalisz, API 

### 1:05:30 2:45 - 3:00 PM Optimized use of MMIF for AERMOD in complex terrain Bart Brashers, Ramboll Environ 

### 1:17:28 3:00 - 3:15 PM Recent Experiences with MMIF/WRF for Creating AERMOD InputsTom Wickstrom, ERM 

### 1:36:37 3:15 - 3:35 PM 

### Day1_PM2_Audio 3:35 - 3:50 PM Introduction to the AWMA APM Comments and General Items David Long, AEP 

### 0:00:56 3:50 - 4:05 PM AWMA APM Comments on AERMOD Related Issues Mark Garrison, ERM 

### 0:14:00 4:05 - 4:20 PM AWMA APM Comments on Single Source Modeling and Long Range Transport Modeling Gale Hoffnagle, TRC 

### 0:29:31 4:20 - 4:35 PM Exponent’s Comments on CALPUFF and AERMOD Modeling GuidanceChristopher DesAutels, Exponent 

### 0:42:24 4:35 - 4:50 PM Perspectives on CALPUFF, Roughness, and 30 Miles Mark Garrison, ERM 

### 0:57:13 4:50 - 5:05 PM An Overview of the SCIPUFF Dispersion Model Biswanath Chowdhury, SageManagement 

### 1:12:32 5:05 - 5:20 PM SCICHEM for Regulatory Modeling Eladio Knipping, EPRI 

### 1:27:49 5:20 - 5:25 PM Preliminary Comments on Proposed Changes to Appendix W Rob Kaufmann, Koch Companies for NAAQS Implementation Coalition 

### 1:40:47 5:25 PM 

# 11th Conference on Air Quality Modeling EPA-Research Triangle Park, NC Campus Final Agenda

Break Lunch (On Your Own, Onsite Cafeteria is Available)

Adjourn for Day Break



### Public Presentations & Comments

### Wednesday,(March 14, 2012) 

### Thursday, (August 13, 2015) Day2_AM1_Audio 8:30 - 8:35 AM Opening of the Public Hearing (Day 2) George Bridgers, OAQPS 

### 0:00:26 8:35 - 8:50 AM Virtual Facilities NAAQS Study Beth Barfield, ERM for NAAQS Implementation Coalition 

### 0:03:30 8:50 - 9:05 AM Outstanding Issues for Modeling Low-Level Emission Sources David Heinold, AECOM for AF&PA 

### 0:14:30 9:05 - 9:20 AM Impacts of Measurement Uncertainty and Emissions Variability on Modeled Impacts Zach Emerson and Ashok Jain, NCASI for AF&PA 

### 0:29:10 9:20 - 9:35 AM Use of EMVAP for Determining Permitted Emission Rates for Highly Variable Sources Related to: Appendix W 8.2 Carlos Szembek, ERM and Bob Paine, AECOM 

### 0:41:35 9:35 - 9:50 AM Building Downwash: Problems, Solutions and Next Generation Ron Petersen, CPP, Inc. 

### 0:57:11 9:50 - 10:05 AM Background Concentrations and the Need for a New System to Update AERMOD Sergio Guerra, CPP, Inc. 

### 1:13:15 10:05 - 10:25 AM 

### Day2_AM2_Audio 10:25 - 10:40 AMThe Use of CAMD Data in Air Quality Modeling David Long, AEP 

### 0:00:54 10:40 - 10:55 AM Initial Feedback on Proposed Revisions to Appendix W Chris Rabideau, Chevron for API 

### 0:16:32 10:55 - 11:10 AM Procedural Concerns Related To EPA’s Regulations and Guidance on Air Quality Modeling Cindy Langworthy, Hunton & Williams for UARG 

### 0:28:55 11:10 - 11:25 AM Comments on AERSCREEN George Schewe, Trinity Consultants 

### 0:43:49 11:25 - 11:40 AM Preliminary Comments on Ozone Jeff Bennett, Barr Engineering 

### 0:57:58 11:40 AM - 1:00 PM 

### Day2_PM1_Audio 1:00 - 1:05 PM Invitation to Provide Oral Comments for Individuals That Did Not Reserve Time to Speak in Advance George Bridgers, OAQPS 

### 0:02:51 1:05 - 3:00 PM Public Hearing for the Proposed Rulemaking Individuals that did not reserve time to speak in advance. 

### 0:05:25 3:00- 3:20 PM 3:20 - 5:00 PM Public Hearing for the Proposed Rulemaking (if needed) Individuals that did not reserve time to speak in advance. 5:00 PM 

### Public Presentations & Comments(Continued)

End of 11th Modeling Conference and Public Hearing Break

Lunch (On Your Own, Onsite Cafeteria is Available)

Break (if needed)