ATTACHMENT
C
8­
HR
O3
NAAQS
HYPOTHETICAL
NONATTAINMENT
AREAS
(
2000
to
2002
data)

Areas
that
may
have
continuing
1­
hr
ROP
&
attainment
demonstration
obligations
A
B
C
D
E
F
AREA
1­
hr
DV
8­
hr
DV
1hr
class
8­
hr
Class
Potential
Planning
Preference?

Atlanta,
GA
0.144
0.099
Severe­
15
Moderate
Baton
Rouge,
LA
0.135
0.086
Severe­
15
Marginal
Beaumont­
Port
Arthur,

TX
0.144
0.090
Moderate
(
may
be
bumped
to
severe­
15)
Marginal
Dallas­
Fort
Worth,
TX
0.135
0.099
Serious
(
may
be
bumped
to
severe­
15)
Moderate
Portland,
ME
0.126
0.090
Moderate
(
may
be
bumped
up
to
serious)
Marginal
San
Joaquin
Valley,
CA
0.151
0.115
Severe­
15
(
contemplating
voluntary
bump­
up
to
extreme)*
Serious
Washington­
Baltimore,

DC­
MD­
VA­
WV
0.143
0.106
Severe­
15
Moderate
Column
Definition
A
Name
of
hypothetical
8­
hr
O3
nonattainment
area
B
1­
hr
O3
design
value
for
2000­
2002
(
ppm
O3)

C
8­
hr
O3
design
value
for
2000­
2002
(
ppm
O3)

D
Area's
current
classification
if
nonattainment
under
1­
hr
O3
NAAQS
E
Area's
8­
hr
classification
under
final
rule
F
Potential
preference
of
area
for
option
on
unmet
attainment
demo
obligation
*
It
is
not
clear
whether
a
voluntary
bump­
up
would
carry
the
1­
hr
obligation
for
the
new
classification
"
by
operation
of
law."
