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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
0.09 * * * 0.80 0.269 5 0.05 *
2004
0.025 0.025 0.134 0.45 0.75 0.195 30 0.05 0.4
2003
0.025 0.025 0.156 0.48 1.0 0.253 31 0.05 0.5
2002
0.025 0.025 0.120 0.28 0.84 0.170 30 0.05 0.4
2001
0.025 0.07 0.201 0.48 1.4 0.292 31 0.05 0.6
2000
0.025 0.025 0.153 0.57 0.88 0.248 30 0.05 0.5
1999
0.025 0.025 0.156 0.40 1.5 0.287 30 0.05 0.5
1998
0.025 0.07 0.128 0.39 0.61 0.169 31 0.05 0.4
1997
0.025 0.025 0.172 0.30 1.5 0.299 30 0.05 0.5
1996
0.025 0.07 0.119 0.39 0.46 0.141 24 0.05 0.4
1995
0.025 0.07 0.185 0.32 1.4 0.302 24 0.05 0.6
1994
0.025 0.31 * 0.94 1.2 0.369 14 0.05 *
1993
0.025 0.05 * 1.46 2.6 0.752 18 0.05 *
1992
* * * * * * 0 * *
1991
* * * * * * 0 * *
1990
* * * * * * 0 * *
1989
* * * * * * 0 * *
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.