Document ID: EPA-HQ-OAR-2003-0061-0696
Agency: epa
Document Type: Supporting & Related Material
Title: 
Posted Date: 2005-04-06T04:00Z

SECTION
3.
B.
OF
TECHNICAL
SUPPORT
DOCUMENT
FOR
PM2.5
DESIGNATIONS
SUPPLEMENTAL
NOTICE
­­
APRIL
5,
2005
CHATTANOOGA
DESIGN
VALUE
ANALYSIS
FOR
2002­
4
Area
ST
COU
State
County
Site
Design
Value
2001­
3
Status
2001­
3
Design
Value
2002­

4
Status
2002­

4
Notes
2002­
4
Chattanooga,
TN47
065
Tennessee
Hamilton
470650031
16.1
NA
15.7
NA
Meets
completeness
w/
'
minv'

substitution
test.

Chattanooga,
TN13
295
Georgia
Walker
132950002
15.5
NA
15.2
NA
Chattanooga,
TN47
065
Tennessee
Hamilton
470654002
15.2
NA
14.7
A
Chattanooga,
TN47
065
Tennessee
Hamilton
470650032
14.2
a
14.2
a
Only
1
partial
quarter
of
data
Chattanooga,
TN47
065
Tennessee
Hamilton
470651011
14.1
a
13.8
A
Meets
completeness
w/
'
maxq'

substitution
test.

Area
ST
COU
State
County
Site
Design
Value
2001­
3
Status
2001­
3
Design
Value
2002­

4
Status
2002­

4
Notes
2002­
4
Chattanooga,
TN47
065
Tennessee
Hamilton
470650031
15.5
NA
14.9
a
Does
not
meet
completeness
requirements.
Fails
'
maxq'

substitution
test;
substituting
max
quarterly
value
of
32.5
for
missing
2002­
Q1
samples
yields
test
DV
of
15.5.

Chattanooga,
TN13
295
Georgia
Walker
132950002
15.0
A
14.5
A
Chattanooga,
TN47
065
Tennessee
Hamilton
470654002
15.0
A
14.2
A
Chattanooga,
TN47
065
Tennessee
Hamilton
470650032
14.2
a
14.2
a
Only
1
partial
quarter
of
data
Chattanooga,
TN47
065
Tennessee
Hamilton
470651011
13.6
a
13.3
A
Meets
completeness
w/
'
maxq'

substitution
test.

Area
ST
COU
State
County
Site
Design
Value
2001­
3
Status
2001­
3
Design
Value
2002­

4
Status
2002­

4
Notes
2002­
4
Chattanooga,
TN47
065
Tennessee
Hamilton
470650031
15.9
NA
15.4
NA
Meets
completeness
w/
'
minv'

substitution
test.

Chattanooga,
TN13
295
Georgia
Walker
132950002
15.3
NA
14.8
A
Chattanooga,
TN47
065
Tennessee
Hamilton
470654002
15.1
NA
14.4
A
Chattanooga,
TN47
065
Tennessee
Hamilton
470650032
14.2
a
14.2
a
Only
1
partial
quarter
of
data
Chattanooga,
TN47
065
Tennessee
Hamilton
470651011
13.9
a
13.6
A
Meets
completeness
w/
'
maxq'

substitution
test.

Notes
3.
The
design
value
"
status"
columns
(
for
2001­
3
and
2002­
4)
also
take
into
account
data
substitution
tests
to
show
that
a
site
has
complete
data.

For
example,
if
during
a
particular
quarter,
a
site
has
2
samples
less
than
the
number
needed
to
have
75%
data
capture,
one
approach
provides
for
the
substitution
of
the
maximum
quarterly
value
for
the
two
missing
samples.
If
the
design
value
is
below
the
level
of
the
standard
after
substituting
these
higher
values,
then
the
site
can
be
deemed
to
have
complete
data
and
be
in
attainment.

The
codes
used
in
the
design
value
status
columns
are:

NA'
=
complete,
violates
NAAQS;

'
A'
=
complete,
meets
NAAQS;

'
na'
=
incomplete,
partial
DV
exceeds
NAAQS;

'
a'=
incomplete,
partial
DV
meets
NAAQS,

'
x'
=
microscale
/
source
oriented,
not
compared
to
annual
NAAQS
2.
Data
completeness:
a
site
is
complete
for
purposes
of
showing
"
attainment"
if
valid
samples
are
obtained
for
75%
of
the
scheduled
sampling
days
each
quarter
for
a
three­
year
period;
a
Not
including
invalidation
of
any
data
After
requested
flag
processing
­
assuming
all
requested
flags
were
to
be
approved
Design
values
if
8
exclusions
were
allowed
1.
All
means
and
design
values
exclude
daily
samples
invalidated
by
the
State
and
EPA
for
various
reasons
(
e.
g.
equipment
malfunction,
nearby
wildfire,
etc.).