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California Air Resources Board

Annual Statewide Toxics Summary
ARB's ADAM Air Quality Database
Indeno(1,2,3-cd)pyrene-10 FAQs
nanograms per cubic meter
Read About New Estimated Risk
Year Months
Present
Minimum Median Mean 90th
Percentile
Maximum Standard
Deviation
Number of
Observations
Detection
Limit
Estimated
Risk
2005
0.025 0.25 * 0.75 2.7 0.449 60 0.05 *
2004
0.025 0.05 0.163 0.43 3.0 0.307 517 0.05 0.05
2003
0.025 0.06 0.177 0.39 2.6 0.316 497 0.05 0.06
2002
0.025 0.06 0.198 0.49 3.2 0.344 474 0.05 0.06
2001
0.025 0.07 0.237 0.64 6.2 0.540 486 0.05 0.08
2000
0.025 0.08 0.246 0.66 4.3 0.448 506 0.05 0.08
1999
0.025 0.11 0.277 0.77 4.1 0.456 592 0.05 0.09
1998
0.025 0.11 0.291 0.81 4.0 0.497 603 0.05 0.09
1997
0.025 0.08 0.276 0.66 6.2 0.516 575 0.05 0.09
1996
0.025 0.10 0.236 0.66 2.9 0.361 452 0.05 0.07
1995
0.025 0.16 0.316 0.75 3.1 0.409 448 0.05 0.1
1994
0.05 0.47 * 1.37 4.7 0.655 264 0.05 *
1993
0.025 0.20 0.543 1.6 4.9 0.762 455 0.05 0.2
1992
0.025 0.16 0.456 1.3 5.6 0.753 456 0.05 0.1
1991
0.025 0.22 0.567 1.4 6.3 0.854 451 0.05 0.2
1990
0.025 0.57 * 1.9 26 2.45 152 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.