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Benzo(a)pyrene-10
nanograms per cubic meter
Read About Estimated Risk
Year Months
Present
Minimum Median Mean 90th
Percentile
Maximum Standard
Deviation
Number of
Observations
Detection
Limit
Estimated
Risk
2005
* * * * * * 0 * *
2004
0.025 0.025 0.073 0.19 0.40 0.085 31 0.05 0.2
2003
0.025 0.025 0.061 0.17 0.25 0.064 31 0.05 0.2
2002
0.025 0.05 0.082 0.15 0.40 0.084 31 0.05 0.3
2001
0.025 0.025 0.085 0.26 0.52 0.121 30 0.05 0.3
2000
0.025 0.025 0.113 0.26 0.62 0.152 31 0.05 0.4
1999
0.025 0.025 0.123 0.29 0.58 0.146 30 0.05 0.4
1998
0.025 0.10 0.150 0.33 0.95 0.191 30 0.05 0.5
1997
0.025 0.10 0.146 0.33 0.45 0.128 30 0.05 0.5
1996
0.025 0.07 0.122 0.25 0.71 0.157 24 0.05 0.4
1995
0.025 0.11 0.144 0.25 0.59 0.133 24 0.05 0.5
1994
0.025 0.23 * 0.47 0.81 0.217 14 0.05 *
1993
0.025 0.20 0.241 0.51 1.0 0.257 24 0.05 0.8
1992
0.025 0.18 0.216 0.50 0.88 0.223 24 0.05 0.7
1991
0.025 0.09 0.224 0.52 1.2 0.287 24 0.05 0.7
1990
0.025 0.15 0.255 0.56 1.1 0.292 24 0.05 0.8
1989
0.025 0.21 0.387 0.97 1.4 0.420 24 0.05 1
Graph It!
Notes Values below the Limit of Detection (LoD) assumed to be ½ LoD.
Means and risks shown only for years with data in all 12 months.
"*" means there was insufficient or no data available to determine the value.