Document ID: EPA-HQ-OW-2002-0033-0284
Agency: epa
Document Type: Supporting & Related Material
Title: 
Posted Date: 2003-04-14T04:00Z

Distance
Matrix
of
Ohio
Respondents
Zip
Codes
and
Ohio
RF1
Reaches.
(
Matrix4.
sd2)

This
data
set
contains
distances
from
zip
codes
in
Ohio
to
each
of
the
1,954
reaches.
Zip
codes
must
be
converted
from
their
5
digit
zip
code
into
a
row
number
for
this
data
set
using
the
"
zip_
fmt"
format.

Data
Element
Definitions
ZIP
­
Index
number
corresponding
to
a
specific
zip
code
in
Ohio
_
1
through
_
1954
­
Estimated
distance
from
the
centroid
of
the
zip
code
to
the
reach
indexed
by
a
number
from
1
to
1954.
The
reach
RF1
identifier
must
be
converted
to
its
index
value
in
the
range
of
1
to
1954
using
the
"
rch_
fmt".