TABLE 27
Greater Detroit Carbon Monoxide Measurements Compared to Applicable Standards
Site Location
Year 2000
Year 2001
Max. 1-hr Values
Max. 8-hr Values
Max. 1-hr
Max. 8-hr Values
3
3
3
3
)
9 ppm (10 mg/m )
Values 35 ppm (40 mg/m )
9 ppm (10 mg/m )
35 ppm (40 mg/m
Warren
5.1
1.8
4.7
3.3
Oak Park
9.8
3.6
4.6
3.9
Allen Park
6.6
5.1
5.6
1.7
Detroit - W. Fort
No data provided, recently proposed as a NAMs
Detroit - Linwood
8.2
4.7
5.9
3.7
Livonia
2.5
1.4
4.5
2.3
Detroit - Joy Rd.
7.5
3.6
4.8
3.8
Detroit - Penobscot Bldg. *
7.2
4.1
*No longer operational
Coarse/Inhalable
Prior to 1999, portions of  Wayne, Oakland and
Particulate Matter (PM )
Macomb Counties were designated as nonattainment or
10
unclassified for carbon monoxide.  The primary 8-hour
3
) and the primary 1-hour
NAAQS is 9 ppm (10 mg/m
Currently, there are six monitoring stations for PM  in
10
3
NAAQS is 35 ppm (40 mg/m ).  Data collected since
the Detroit PMSA.  Population exposure to neighbor-
1995 indicate  these areas are currently in attainment of
hood scale PM  air masses is determined at Allen Park
10
the standards, and were designated as such in August,
and E. Seven Mile Road.  Additional neighborhood scale
1999 (Ref. 36).
monitoring is performed at River Rouge, W. Fort St.,
Dearborn and Detroit-West End (formerly National
A comparison of  monitoring sites between the years
Chemical Service).
1992-2001 provides a range of  8-hour readings from
10.7 ppm to 3.9 ppm in 2001.  In 2001, the highest 8-
During 2001, the highest annual mean of  PM  concen-
10
hour concentration occurred at Oak Park in Oakland
trations occurred at the Detroit - West End site, with the
3
County.
maximum measurement reaching 131 µg/m .  That
Determinations - Greater Detroit Locations
TABLE 28
PM
10
Site Location
Year 2000
Year 2001
Annual
Max. 24-hr
Annual
Max. 24-hr
Arithmetic Mean
Value
Arithmetic Mean
Value
3
3
3
3
(NAAQS - 50 µg/m )
(NAAQS - 150 µg/m )
(NAAQS - 50 µg/m )
(NAAQS - 150 µg/m )
Allen Park
27
70
27
59
River  Rouge
24
45
28
71
Detroit - W. Fort
38
108
40
97
Livonia
22
49
23
52
Dearborn
41
115
38
89
35
112
35
131
Detroit - West End **
43
146
46
133
**Formerly known as Detroit-National Chemical
36