Sites with dibenz(a,h)anthracene-10 data available Available Substances Toxics Statistics Home Page Data Descriptions Page
California Home ARB: Home Search Site Map Contact Us
California Air Resources Board

Annual Toxics Summary
ARB's ADAM Air Quality Database
Stockton-Hazelton Street FAQs
Dibenz(a,h)anthracene-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 * * * 0.07 0.020 5 0.05 *
2004
0.025 0.025 0.031 0.05 0.09 0.017 30 0.05 0.1
2003
0.025 0.025 0.035 0.09 0.11 0.026 31 0.05 0.1
2002
0.025 0.025 0.039 0.07 0.16 0.031 30 0.05 0.1
2001
0.025 0.025 0.039 0.07 0.16 0.033 31 0.05 0.1
2000
0.025 0.025 0.038 0.07 0.15 0.031 30 0.05 0.1
1999
0.025 0.025 0.040 0.07 0.27 0.047 30 0.05 0.1
1998
0.025 0.025 0.037 0.025 0.22 0.049 31 0.05 0.1
1997
0.025 0.025 0.027 0.025 0.07 0.008 30 0.05 0.09
1996
0.025 0.025 0.026 0.025 0.06 0.007 24 0.05 0.09
1995
0.025 0.025 * 0.025 0.14 0.026 20 0.05 *
1994
0.025 0.025 * 0.06 0.09 0.021 14 0.05 *
1993
0.025 0.025 0.054 0.11 0.22 0.054 23 0.05 0.2
1992
0.025 0.025 0.039 0.06 0.17 0.038 24 0.05 0.1
1991
0.025 0.025 0.081 0.31 0.39 0.117 24 0.05 0.3
1990
0.025 * * * 1.2 0.403 8 0.05 *
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.