TABLE 40
Ambient Air Monitoring Data for Selected Hazardous Air Pollutants in Sarnia
Chemical
Year
FRONT STREET
RIVER BEND
24-hour Max
Mean
24-hour Max
Mean
3
3
3
3
µg/m
µg/m
µg/m
µg/m
1,2-Dichloroethane
(24h MOE AAQC is
1995
0.5
0.1
0.6
0.0
3
2 µg/m )
1996
0.3
0.0
0.2
0.0
1997
1.0
0.1
0.2
0.0
1998
0.6
0.1
3.3
0.2
1999
1.0
0.0
0.4
0.0
2000
1.9
0.2
2.3
0.3
2001
1.9
0.1
8.2
1.0
2002
6.5
0.5
1.5
0.1
1,3-Butadiene
1995
3.0
0.5
0.8
0.2
(No MOE AAQC)
1996
6.6
0.9
2.7
0.1
US Clean Air Act Lifetime
1997
8.2
1.0
1.3
0.1
Benchmark concentration
1998
8.0
0.7
2.2
0.2
3
*
1999
4.6
0.5
1.1
0.1
0.0036 µg/m
2000
5.6
0.6
0.5
0.0
2001
3.0
0.5
0.5
0.0
2002
9.7
0.5
1.9
0.2
1,4-Dichlorobenzene
1995
0.6
0.1
0.1
0.0
(24h MOE AAQC is
1996
0.2
0.0
0.1
0.0
3
)
1997
0.8
0.1
0.1
0.0
95 µg/m
1998
0.8
0.1
0.0
0.0
1999
0.2
0.0
< minimum
0.0
detection limit
2000
0.2
0.0
0.2
0.0
2001
1.9
0.3
0.9
0.1
2002
0.5
0.0
0.4
0.1
Benzene (NO AAQC )
1995
9.7
2.6
5.4
1.5
US Clean Air Act Lifetime
1996
10.0
3.2
7.4
1.8
Benchmark concentration
1997
17.7
3.2
3.7
1.2
3
0.12 µg/m  *
1998
6.4
2.4
4.9
1.2
1999
8.0
2.5
22.2
1.7
2000
10.6
2.2
9.0
1.7
2001
6.5
1.9
5.1
1.2
2002
10.9
1.6
6.1
1.3
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