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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
0.025 * * * 0.17 0.058 5 0.05 *
2004
0.025 0.025 0.053 0.11 0.26 0.051 30 0.05 0.2
2003
0.025 0.025 0.066 0.17 0.22 0.062 31 0.05 0.2
2002
0.025 0.025 0.045 0.08 0.22 0.050 30 0.05 0.1
2001
0.025 0.025 0.068 0.19 0.46 0.109 31 0.05 0.2
2000
0.025 0.025 0.089 0.22 0.62 0.137 30 0.05 0.3
1999
0.025 0.025 0.096 0.32 0.60 0.145 30 0.05 0.3
1998
0.025 0.025 0.120 0.40 0.50 0.153 31 0.05 0.4
1997
0.025 0.025 0.087 0.24 0.60 0.129 30 0.05 0.3
1996
0.025 0.025 0.091 0.15 0.59 0.139 24 0.05 0.3
1995
0.025 0.06 0.098 0.20 0.36 0.100 24 0.05 0.3
1994
0.025 0.10 * 0.31 0.51 0.143 14 0.05 *
1993
0.025 0.12 0.250 0.74 0.92 0.291 24 0.05 0.8
1992
0.025 0.06 0.172 0.61 0.71 0.235 24 0.05 0.5
1991
0.025 0.05 0.153 0.55 0.66 0.208 24 0.05 0.5
1990
0.025 0.07 0.282 0.92 1.8 0.466 24 0.05 0.9
1989
0.025 0.05 0.309 0.96 1.2 0.396 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.