FALL LINE AIR QUALITY STUDY

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FALL LINE AIR QUALITY STUDY

• Progress and Plans
• May 22, 2001

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FAQS Project Team

• Dr. Michael Chang
• Dr. C.S. Kiang
• Dr. Bill Chameides
• Dr. Ted Russell
• Dr. Karsten Baumann
• Dr. Rodney Weber
• Dr. Michael Bergin
• Dr. Doug Worsnop
• Dr. Don Blake
• Dr. Jing Zhao
• Dr. Doug Orsini
• Dr. Kip Carrico

• Dr. Mike Baker
• Dr. Jose Jimenez
• Dr. Manjula Carnagaratna
• Mr. Frank Ift
• Mr. Roby Greenwald
• Mr. Jin Xu
• Ms. Yilin Ma
• Ms. Amy Sullivan
• Mr. Wes Younger
• Mr. Brian Jaynes
• Mr. Danny Dipasquale

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Smog in Georgia(Year 2000)

• of days over proposed stds.
• Atlanta.46
• Macon.17
• Columbus..9
• Augusta.6
• North GA Mtns...16
• South Central GA.6
• Savannah..1
• South Coastal GA.0

• of days over Federal AQ stds.
• Atlanta.11
• Macon...3
• Columbus..1
• Augusta.1
• North GA Mtns.0
• South Central GA.0
• Savannah...0
• South Coastal GA.0

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Basis for Augusta Nonattainment

• EPD Monitor at Bayvale Elem. School (est. 1989)
• Number of exceedances of 8-hour ozone standard
• 1997 1998 1999 2000
• 5 14 8 6
• Number of exceedances of 1-hour ozone standard
• 1997 1998 1999 2000
• 0 0 0 1

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Peak Observed 8-hour Averaged Ozone
Concentrations (ppmv) in Augusta 1997-2000
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Peak Observed 1-hour Averaged Ozone
Concentrations (ppmv) in Augusta 1997-2000
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Georgias historical AQ problem Atlanta
GA EPD ozone monitoring site
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Georgias air quality problem now
Atlanta, Augusta, Macon, Columbus,
Leslie.
Home grown pollution?
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Georgias air quality problem now
Atlanta, Augusta, Macon, Columbus,
Leslie.
Or big city transport?
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Georgias air quality problem now
Atlanta, Augusta, Macon, Columbus,
Leslie.
Or regional scale?
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Georgias air quality problem now
Atlanta, Augusta, Macon, Columbus,
Leslie.
Or combination?
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Peak Observed 8-hour Averaged Ozone
Concentrations (ppmv) in Augusta 1997-2000
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Formulating a hypothesis for Augusta
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Ozone (ppbv)
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FAQS Phase I

• May 1 - December 31, 2000
• Preliminary Data Analysis
• Pilot Field Study

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Correlations between Georgias Ozone Monitors
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Occurrences of Exceedances in Columbus,
Georgia and across the Southeastern US (2000)
Number of Sites Exceeding 8-hour ozone NAAQS
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Ozone Air Quality as a Function of Wind Speed and
DirectionAugusta, Georgia 1997-1999
N
NE
NW
Good Moderate Unhealthy for Sensitive
Groups Unhealthy
Wind Speed (mph)
E
W
SW
SE
S
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Forming a Hypothesis for the State.
Atlanta and Macon share an airshed that is
capable of generating significant ozone
independent of the region.
Columbus and Augusta, are more closely related
to the larger regional airshed, but also may be
responsible for a small but significant amount of
local ozone production.I
Leslie??
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The Augusta Pilot Study

• June 25 - July 10, 2000
• Upwind / downwind study
• Characterizing the physical
• and chemical composition
• of the local atmosphere.

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Observations from the Air Quality Trailer
Macon Augusta Columbus
Wind Spd. Ozone
Periodicity ? daily cycle of ozone (low in AM,
high in PM), and winds
(lighter in early AM, peaking in early PM)
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Observations from the Air Quality Trailer
Macon Augusta Columbus
Spikes ? plume influence
CO SO2
Bimodal ? rush hour influence
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Ground-level Ozone Formation
Volatile Organic Compounds (VOCs)
Nitrogen Oxides (NOx)
Ozone (O3) Smog

Combustion Processes
Fuels, Paints, Solvents, Vegetation
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Fine Particulate Matter (PM2.5)
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Particle Compostion - No matter location or time,
sulfate and organic carbon dominate.
Macon Augusta Columbus
Satellite Sites
Mobile Lab
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Augusta Pilot Study Summary

• Upwind / downwind experiment not much success -
  yet.
• Some evidence of SO2 plume impacts ? coal
  burning.
• VOC profile different from Atlanta and other
  FAQS
• cities, however concentrations of highly
  reactive
• isoprene are similar or greater ? may mean
  Augusta
• is NOx limited. Other VOCs may be good
  tracers.
• PM primary composition is organic carbon and
  sulfate.

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FAQS Phases II and III
Emission Inventory Air Quality Modeling
Field Study
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New and Upgraded Air Quality Monitoring in
Columbia County
Riverside Park 2001 -
Lakeside High School 2000 - 2001 R.I.P.
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Peak Observed 8-hour Averaged Ozone
Concentrations (ppmv) in Augusta 1997-2000
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Formulating a hypothesis for Augusta
93
Ozone (ppbv)
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Filling in the Numbers
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For more informationwww.cure.gatech.edu/faqs.asp