
Revisions
to
Ambient
Air
Monitoring
Regulations
Docket
ID
EPA­
HQ­
OAR­
2004­
0018
 
Item:
Population
trend
of
Steubenville­
Weirton,
Ohio­
W.
VA
Urbanized
Area
 
Date:
July
3,
2006
 
Comments:
Relates
to
proposed
PM10­
2.5
suitability
test
 
condition
#
1,
Urbanized
Area
of
at
least
100,000
population.

1970
population
 
85,492
1980
population
 
77,651
1990
population
 
69,118
2000
population
 
73,710
See
accompanying
text
and
sources.

1970
 
Page
25
http://
www2.
census.
gov/
prod2/
decennial/
documents/
316798
01n104­
107ch2.
pdf
1980
­
the
1980
population
of
the
Steubenville
urbanized
area
was
77,651,
smaller
than
in
1970.
I
recall
it
never
got
up
to
100,000
after
1980.

I
have
the
relevant
pages
from
the
Census
document
if
anyone
thinks
they
need
a
copy.
Phil
Lorang,
Group
Leader
1990
­
http://
www.
demographia.
com/
db­
ua90list.
htm
2000
­
http://
www.
census.
gov/
geo/
www/
ua/
ua2k.
txt
