Contributions
to
PM2.5
Nonattainment
from
SO2
and
NOx
Emissions
in
Delaware
and
New
Jersey,
Combined
Below
is
a
table
listing
the
combined
contribution
of
emissions
of
SO2
and
NOx
from
Delaware
and
New
Jersey
to
annual
average
PM2.5
concentrations
in
projected
2010
nonattainment
counties
in
other
States
within
the
Eastern
United
States.
EPA
determined
the
PM2.5
contributions
listed
in
this
table
by
applying
the
same
"
zero­
out"
modeling
technique
used
in
the
CAIR
rule
to
the
projected
2010
Base
Case
SO2
and
NOx
emissions
from
New
Jersey
and
Delaware.
The
rationale
for
evaluating
the
contributions
from
Delaware
and
New
Jersey
using
the
combined
SO2
and
NOx
emissions
in
both
States
is
described
in
the
proposed
rule
entitled,
"
Inclusion
of
Delaware
and
New
Jersey
in
the
Clean
Air
Act
Interstate
Rule"
(
70
FR
25408,
May
12,
2005).
Details
on
the
PM2.5
modeling
platform,
zero­
out
modeling
technique,
and
procedures
for
calculating
interstate
contributions
are
provided
in
the
report
"
Technical
Support
Document
for
the
Final
Clean
Air
Interstate
Rule
­
Air
Quality
Modeling,"
March
2005
(
Docket
Number
OAR­
2003­
0053­
2151).
The
2010
Base
Case
emissions
in
Delaware
and
New
Jersey
and
the
procedures
for
calculating
these
emissions
can
be
found
in
the
report
"
Clean
Air
Interstate
Rule
Emissions
Inventory
Technical
Support
Document,"
March
2005
(
Docket
number
OAR­
2003­
0053­
2047).

The
table
shows
that
the
combined
contribution
of
emissions
of
SO2
and
NOx
from
Delaware
and
New
Jersey
to
annual
average
1
There
are
three
counties
in
Pennsylvania
for
which
the
Delaware­
New
Jersey
contributions
are
projected
to
be
close
to
the
0.2

g/
m3
air
quality
factor
level.
These
are
Lancaster
and
Philadelphia
Counties
(
at
0.18

g/
m3),
and
Delaware
County
(
at
0.19

g/
m3).
PM2.5
concentrations
in
New
York
County,
New
York
is
projected
to
be
0.23

g/
m3,
which
is
above
the
0.2

g/
m3
used
in
the
CAIR
as
the
air
quality
factor
for
assessing
significance
of
contribution
to
downwind
States'
nonattainment1.
70
FR
at
25173.

Table
1.
Contributions
from
SO2
and
NOx
emissions
in
Delaware
and
New
Jersey
to
annual
average
PM2.5
in
projected
2010
nonattainment
counties
in
other
States
within
the
Eastern
United
States.

Downwind
Nonattainment
Counties
PM2.5
Contributions
from
DE
+
NJ
(

g/
m3)
State
County
Alabama
Jefferson
Co
<
0.05
Alabama
Russell
Co
<
0.05
District
of
Columbia
District
of
Columbia
0.09
Georgia
Bibb
Co
<
0.05
Georgia
Clarke
Co
<
0.05
Georgia
Clayton
Co
<
0.05
Georgia
Cobb
Co
<
0.05
Georgia
DeKalb
Co
<
0.05
Georgia
Floyd
Co
<
0.05
Georgia
Fulton
Co
<
0.05
Georgia
Walker
Co
<
0.05
Illinois
Cook
Co
<
0.05
Illinois
Madison
Co
<
0.05
Illinois
St.
Clair
Co
<
0.05
Indiana
Clark
Co
<
0.05
Indiana
Dubois
Co
<
0.05
Indiana
Lake
Co
<
0.05
Indiana
Marion
Co
<
0.05
Indiana
Vanderburgh
Co
<
0.05
Kentucky
Fayette
Co
<
0.05
Kentucky
Jefferson
Co
<
0.05
Maryland
Anne
Arundel
Co
0.12
Downwind
Nonattainment
Counties
PM2.5
Contributions
from
DE
+
NJ
(

g/
m3)
State
County
Maryland
Baltimore
City
0.13
Michigan
Wayne
Co
<
0.05
New
York
New
York
Co
0.23
North
Carolina
Catawba
Co
<
0.05
North
Carolina
Davidson
Co
<
0.05
Ohio
Butler
Co
<
0.05
Ohio
Cuyahoga
Co
<
0.05
Ohio
Franklin
Co
<
0.05
Ohio
Hamilton
Co
<
0.05
Ohio
Jefferson
Co
<
0.05
Ohio
Lawrence
Co
<
0.05
Ohio
Mahoning
Co
<
0.05
Ohio
Montgomery
Co
<
0.05
Ohio
Scioto
Co
<
0.05
Ohio
Stark
Co
<
0.05
Ohio
Summit
Co
<
0.05
Pennsylvania
Allegheny
Co
<
0.05
Pennsylvania
Beaver
Co
<
0.05
Pennsylvania
Berks
Co
0.16
Pennsylvania
Cambria
Co
<
0.05
Pennsylvania
Dauphin
Co
0.11
Pennsylvania
Delaware
Co
0.19
Pennsylvania
Lancaster
Co
0.18
Pennsylvania
Philadelphia
Co
0.18
Pennsylvania
Washington
Co
<
0.05
Pennsylvania
Westmoreland
Co
<
0.05
Pennsylvania
York
Co
0.14
Tennessee
Hamilton
Co
<
0.05
Tennessee
Knox
Co
<
0.05
West
Virginia
Berkeley
Co
0.05
West
Virginia
Brooke
Co
<
0.05
West
Virginia
Cabell
Co
<
0.05
West
Virginia
Hancock
Co
<
0.05
West
Virginia
Kanawha
Co
<
0.05
West
Virginia
Marion
Co
<
0.05
West
Virginia
Marshall
Co
<
0.05
West
Virginia
Ohio
Co
<
0.05
West
Virginia
Wood
Co
<
0.05
