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Annual Statewide Toxics Summary
Benzo(a)pyrene-10
FAQs
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
0.12
*
0.42
3.6
0.555
60
0.05
*
2004
0.025
0.025
0.128
0.30
3.4
0.319
517
0.05
0.4
2003
0.025
0.025
0.138
0.27
3.1
0.345
497
0.05
0.4
2002
0.025
0.025
0.138
0.29
3.6
0.330
474
0.05
0.4
2001
0.025
0.025
0.171
0.40
8.8
0.573
486
0.05
0.5
2000
0.025
0.025
0.166
0.39
4.6
0.410
506
0.05
0.5
1999
0.025
0.025
0.180
0.45
4.1
0.405
592
0.05
0.6
1998
0.025
0.05
0.204
0.56
4.3
0.468
603
0.05
0.6
1997
0.025
0.025
0.202
0.42
6.9
0.488
575
0.05
0.6
1996
0.025
0.025
0.166
0.45
3.0
0.374
452
0.05
0.5
1995
0.025
0.07
0.205
0.49
3.6
0.405
448
0.05
0.7
1994
0.025
0.22
*
1.0
5.5
0.655
264
0.05
*
1993
0.025
0.09
0.416
1.3
6.2
0.796
455
0.05
1
1992
0.025
0.06
0.308
0.87
6.1
0.671
456
0.05
1
1991
0.025
0.07
0.331
0.92
5.3
0.699
451
0.05
1
1990
0.025
0.09
0.498
1.0
23
1.48
447
0.05
2
1989
0.025
0.08
0.740
2.0
14
1.90
420
0.05
2
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.