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Proposed
Local
Revisions
to
the
State
Implementation
Plan
for
the
San
Antonio
Early
Action
Compact
Region
The
deadline
for
completion
of
this
document
was
March
31,
2004.
The
final
document
has
been
delivered
to
the
Texas
Commission
on
Environmental
Quality
and
the
Region
6
offices
of
the
US
Environmental
Protection
Agency.
For
more
information
on
this
entire
process,
please
visit
the
Air
Quality
website
of
the
Alamo
Area
Council
of
Governments.

Table
of
Contents
Executive
Summary
List
of
Tables
List
of
Figures
Chapter
1:
General
1.1
Introduction
1.2
Background
1.2.1
History
of
Air
Quality
Planning
in
the
San
Antonio
Region
1.2.2
The
Clean
Air
Plan
1.3
Public
Involvement
Program
Chapter
2:
Emissions
Inventory
2.1
Overview
2.2
Point
Sources
2.3
Area
Sources
2.4
On­
Road
Mobile
Sources
2.5
Non­
Road
Mobile
Sources
2.6
Biogenic
Sources
2.7
Emissions
Summary
Chapter
3:
Photochemical
Modeling
3.1
Introduction
3.2
Episode
Selection
3.3
Modeling
/
Analysis
Protocol
3.4
1999
Meteorological
Model
3.5
1999
Modeling
Emissions
Inventory
3.5.1
Local
Emissions
Inventory
3.5.2
Texas
and
Regional
Emissions
Inventories
3.5.3
QA/
QC
Methodology
and
Preparation
of
El
Data
for
Photochemical
Modeling
3.6
1999
Photochemical
Model
Base
Case
and
Performance
Evaluation
3.6.1
Evaluation
Methodology
3.6.2
Ozone
Metrics
3.6.3
Predictions
of
Precursor
Concentrations
3.6.4
Precursor
Sensitivity
Studies
3.7
2007
Future
Case
Modeling
Emissions
Inventory
3.8
2007
Photochemical
Model
Base
Case
and
Sensitivity
Analyses
3.9
Attainment
Demonstration
Process
3.9.1
Design
Values
and
Relative
Reduction
Factors
3.9.2
Modeled
Attainment
Test
3.9.3
Screening
Test
3.10
Summary
and
Recommendations
Chapter
4:
Data
Analysis
4.1
Introduction
4.2
Levels
and
Trends
in
Ozone
Concentrations
4.3
Analysis
of
Meteorological
Data
4.4
Transport
and
Local
Contributions
to
Ozone
Concentrations
4.5
Summary
and
Recommendations
Chapter
5:
Clean
Air
Strategies
5.1
Introduction
5.1.1
Challenges
to
Local
Clean
Air
Strategies
5.1.2
Challenges:
Degreasing
Equipment
Controls
5.1.3
Conclusion
5.2
Federal
and
State
Reduction
Strategies
5.3
Local
Clean
Air
Strategies
5.4
Clean
Air
Strategy
Testing
5.5
Additional
Evidence
5.5.1
Evidence
Supporting
Attainment
Demonstration
5.5.2
Degreasing
Emissions
5.5.3
Pollution
Transport
5.5.4
Alternative
Fuel
Vehicles
5.5.5
Energy
Efficiency
/
Renewable
Energy
Projects
5.5.6
Lawnmower
Recycling
Program
5.5.7
Lower
Reid
Vapor
Pressure
5.5.8
Windshield
Wiper
Fluid
5.5.9
Gas­
fired
Water
Heaters,
Small
Boilers,
and
Process
Heaters
5.5.10
Transportation
Demand
Management
5.5.11
Transportation
Emission
Reduction
Measures
5.5.12
TransGuide
5.5.13
Public
Education
5.6
Summary
and
Recommendations
Chapter
6:
Maintenance
for
Growth
6.1
Background
6.2
Maintenance
Analysis
6.3
Updating
the
Planning
Process
6.3.1
Modeling
Updates
and
Modeling
Assumption
Verification
6.3.2
Transportation
Patterns
6.4
New
Strategy
Requirements
List
of
Appendices
Appendix
A:
Conceptual
Model
and
Episode
Selection
for
the
San
Antonio
EAC
Region
Appendix
B:
Development
of
the
Meteorological
Model
Appendix
C:
On­
Road
Mobile
Emissions
Inventory
Development
(
TTI
Report)
Appendix
D:
1999
Base
Case
Modeling
Emissions
Inventory
Development
Appendix
E:
1999
Base
Case
Development
and
Performance
Analyses
Appendix
F:
2007
Future
Base
Modeling
Emissions
Inventory
Development
Appendix
G:
2007
Base
Case
Sensitivity
Analyses
Appendix
H:
Modeled
Attainment
Test
Appendix
I:
Clean
Air
Strategy
Development
Appendix
J:
Modeling
Protocol
Appendix
K:
Additional
Evidence
Appendix
L:
Maintenance
for
Growth
Appendix
M:
Impact
of
Transport
Appendix
N:
Resolutions
from
Early
Action
Compact
Signatory
Local
Governments
in
Support
of
the
Proposed
Local
Revisions
to
the
State
Implementation
Plan
and
the
Local
Clean
Air
Strategies
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