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1
Improving Air Quality in the Metro. Washington Region
Phil Mendelson, ChairMetropolitan Washington Air Quality Committee
October 19, 2006
2
Overview
• Background: Clean Air Act, MWAQC
• Is the Air Getting Cleaner?
• New Challenges and New Plan
3
Clean Air Act Amendments 1990
EPA set federal health standards for ambient pollutants
NOx
SO2
Lead
Ozone
CO
ParticulateMatter
4
MWAQC Created, 1992
The Metropolitan Washington Air Quality Committee conducts air quality planning for the Washington nonattainmentregion.
5
Members of MWAQC
DC
Virginia Maryland
Local Governments
[Counties and Cities]
MWAQC
6
Air Quality Planning
MWAQC approves air quality plan (SIP) for MD,
VA, DC
Jurisdictions submit
SIP to EPA
EPA approves
SIP
MWAQC revises SIP
as necessary
7
Is the Air Getting Cleaner?
8
0%
20%
40%
60%
80%
100%
120%
140%
Lead SO2 NO2 CO PM10 1-HourOzone
8-HourOzone
PM2.5
1990 2005
Health Standard
Washington Region’s Progress on Meeting National Air Quality Criteria
9
Exceedances of the 8-Hour Ozone StandardWashington Metropolitan Region
1997 - 2006
29
49
39
10
24
38
78
19 19
0
5
10
15
20
25
30
35
40
45
50
55
1997 1998 1999 2000 2001 2002 2003 2004 2005 2006
Nu
mb
er o
f E
xcee
dan
ce D
ays
10
Area of Monitors Exceeding StandardWashington, DC-MD-VA (1990 – 2005)
11
Why is Air Getting Cleaner?
• Reduced pollution coming from midwest
• Stronger controls on power plants• Cleaner cars, trucks• Cleaner, low-sulfur fuel• Many other control measures in
region’s 2004 air quality plan
12
New Challenges andNew Plan
13
Progress Towards Meeting the Air Quality Goal
0.075
0.085
0.095
0.105
0.115
1999 2000 2001 2002 2003 2004 2005 2006 2009
Year
8-Hour Ozone Standard
* 2006 data is preliminary and valid as of Sept 21, 2006. 2009 data based on current photochemical modeling.
Des
ign
Val
ue
(pp
m)
14
Regional Growth, 2002-2009
• Household population growing 12%
• Vehicle Miles Traveled growing 9%• Ozone Values needs to drop 13%
15
Air Quality Plan (“SIP”)
• A plan containing an emissions goal to improve air quality by a deadline (2009) established by the Clean Air Act
• The plan contains federal, state, and local measures to reduce air pollution
16
4 Sources of Air Pollution
+ +
Point Source
Mobile Source
Area Source
Non-road source
+
17
Regional + Local = Strategy
18
Ozone Transport Commission (OTC) Measures
MOU signed at June 2006 OTC Meeting– Consumer
Products Phase II– Portable Fuel
Containers Phase II
– Adhesives and Sealants
– Diesel Chip Reflash
19
Local Controls (voluntary)
• Wind power purchase• Diesel Retrofits (buses, trucks,
equipment)• LED Traffic Signal Retrofits• Alternative Fuel Vehicle Purchases• Low VOC Paint
20
Opportunities for Public Comment
July 26: MWAQC Meeting MWAQC adopted regional measures and proposes local voluntary measures
(“bundle”) as AQ plan’s “CONTROL STRATEGY”
October 19: Air Quality Town Meeting Early public input to air quality plan/ process
January 2007: MWAQC Meeting MWAQC adopts DRAFT SIP for PUBLIC HEARING
February – March: States hold Public Hearings on Plan
March, 28, 2007 MWAQC approves SIP
April/May 2007: States send SIP to EPA