TABLE 37
Three-year Summary of  Carbon Monoxide Maximum Values Based on 1-hour
and 8-hour Concentrations
8-hour AAQC is 13 ppm
1-hour AAQC is 30 ppm
Site Location
Year 1998
Year 1999
Year 2000
Max. 1-hr
Max. 8-hr
Max. 1-hr
Max. 8-hr
Max. 1-hr
Max. 8-hr
Values
Values
Values
Values
Values
Values
Centennial Park
3
1.9
4
1.5
3.86
1.69
Carbon Monoxide levels for both the one hour and eight hour concentrations remain well below the provincial
AAQC
Coarse/Inhalable Particulate Matter (PM )
10
TABLE 38
Summary of  PM  Mean, Maximum Concentration (1-hour and 24-hour)
10
and Number of  Times Above the 24-hour Criterion.
(Information collected by the OMOE at the Centennial Park and SLEA at Moore Line)
3
PM 24-hour Interim AAQC is 50 µg/m
10
Year
Centennial Park
Moore Line
Arithmetic
Max
Max.
Number of
Max.
Number of
Mean
1h
24h
times above
24h
times above
Value
Value
criterion
Value
criterion
1997
NA
NA
NA
NA
54
2
1998
20.1
336
66
8
57
4
1999
INS*
185
64
6
78
2
2000
18.1
267
49.3
0
21
0
2001
NA
NA
NA
NA
52
3
*INS - insufficient valid data
NA- data not available
45