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Annual Statewide Toxics Summary
Benzo(b)fluoranthene-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
0.20
*
0.64
3.0
0.485
60
0.05
*
2004
0.025
0.05
0.160
0.36
3.8
0.340
517
0.05
0.05
2003
0.025
0.06
0.160
0.31
3.0
0.315
497
0.05
0.05
2002
0.025
0.05
0.179
0.43
3.3
0.351
474
0.05
0.06
2001
0.025
0.06
0.205
0.50
7.6
0.555
486
0.05
0.07
2000
0.025
0.06
0.199
0.50
4.5
0.434
506
0.05
0.06
1999
0.025
0.08
0.225
0.51
4.2
0.422
592
0.05
0.07
1998
0.025
0.08
0.231
0.59
4.5
0.455
603
0.05
0.07
1997
0.025
0.07
0.241
0.50
7.1
0.547
575
0.05
0.08
1996
0.025
0.07
0.185
0.48
2.8
0.333
452
0.05
0.06
1995
0.025
0.11
0.241
0.59
3.1
0.373
448
0.05
0.08
1994
0.025
0.36
*
1.2
5.5
0.679
264
0.05
*
1993
0.025
0.15
0.480
1.3
5.1
0.765
455
0.05
0.2
1992
0.025
0.12
0.373
1.0
6.6
0.710
456
0.05
0.1
1991
0.025
0.15
0.422
1.0
5.3
0.730
451
0.05
0.1
1990
0.025
0.16
0.627
1.5
22
1.48
447
0.05
0.2
1989
0.025
0.15
*
2.12
18
2.18
329
0.05
*
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.