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Annual Statewide Toxics Summary
Dibenz(a,h)anthracene-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
0.025
*
0.08
0.37
0.055
60
0.05
*
2004
0.025
0.025
0.035
0.025
0.47
0.043
517
0.05
0.1
2003
0.025
0.025
0.038
0.06
0.58
0.052
497
0.05
0.1
2002
0.025
0.025
0.038
0.06
0.68
0.050
474
0.05
0.1
2001
0.025
0.025
0.039
0.07
0.82
0.063
486
0.05
0.1
2000
0.025
0.025
0.036
0.05
0.62
0.047
506
0.05
0.1
1999
0.025
0.025
0.038
0.06
0.73
0.055
592
0.05
0.1
1998
0.025
0.025
0.034
0.06
0.39
0.036
603
0.05
0.1
1997
0.025
0.025
0.033
0.025
0.52
0.036
575
0.05
0.1
1996
0.025
0.025
0.029
0.025
0.21
0.018
452
0.05
0.1
1995
0.025
0.025
0.030
0.025
0.21
0.022
448
0.05
0.1
1994
0.025
0.025
*
0.08
0.35
0.042
264
0.05
*
1993
0.025
0.025
0.050
0.11
0.43
0.055
455
0.05
0.2
1992
0.025
0.025
0.046
0.10
0.49
0.055
456
0.05
0.2
1991
0.025
0.025
0.068
0.17
1.0
0.108
451
0.05
0.2
1990
0.025
0.09
*
0.46
6.6
0.630
152
0.05
*
1989
*
*
*
*
*
*
0
*
*
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.