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Annual Toxics Summary		 ARB's ADAM Air Quality Database
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Trichloroethylene
parts per billion
Read About Estimated Risk
Year Months
Present		 Minimum Median Mean 90th
Percentile		 Maximum Standard
Deviation		 Number of
Observations		 Detection
Limit		 Estimated
Risk
2023
0.01 0.01 * 0.01 0.01 0.000 15 0.02 *
2022
0.01 0.01 0.010 0.01 0.02 0.002 29 0.02 0.3
2021
0.01 0.01 * 0.01 0.01 0.000 23 0.02 *
2020
0.01 * * * 0.01 0.000 7 0.02 *
2019
0.01 0.01 0.013 0.01 0.09 0.014 29 0.02 0.4
2018
0.01 0.01 0.010 0.01 0.01 0.000 36 0.02 0.3
2017
0.01 0.01 0.012 0.01 0.07 0.011 30 0.02 0.4
2016
0.01 0.01 0.011 0.01 0.03 0.003 31 0.02 0.3
2015
0.01 0.01 0.010 0.01 0.02 0.002 30 0.02 0.3
2014
0.01 0.01 * 0.01 0.03 0.004 16 0.02 *
2013
0.01 0.01 * 0.01 0.01 0.000 23 0.02 *
2012
0.01 0.01 0.010 0.01 0.01 0.000 33 0.02 0.3
2011
0.01 0.01 0.014 0.03 0.07 0.013 33 0.02 0.4
2010
0.01 0.01 0.010 0.01 0.03 0.003 30 0.02 0.3
2009
0.01 0.01 0.010 0.01 0.01 0.000 34 0.02 0.3
2008
0.01 0.01 0.010 0.01 0.01 0.000 33 0.02 0.3
2007
0.01 0.01 0.010 0.01 0.01 0.000 32 0.02 0.3
2006
0.01 0.01 0.010 0.01 0.02 0.002 30 0.02 0.3
2005
0.01 0.01 0.012 0.01 0.05 0.008 31 0.02 0.4
2004
0.01 0.01 * 0.01 0.02 0.002 25 0.02 *
2003
0.01 0.01 0.020 0.03 0.19 0.034 29 0.02 0.6
2002
0.01 0.01 0.012 0.02 0.03 0.006 30 0.02 0.4
2001
0.01 0.02 0.021 0.03 0.08 0.015 31 0.02 0.7
2000
0.01 0.01 0.021 0.05 0.07 0.018 30 0.02 0.6
1999
0.01 0.01 * 0.03 0.04 0.010 23 0.02 *
1998
0.01 0.01 * 0.02 0.03 0.006 28 0.02 *
1997
0.01 0.01 0.017 0.02 0.19 0.032 32 0.02 0.5
1996
0.01 0.01 0.089 0.01 2.5 0.442 32 0.02 3
1995
0.01 0.01 0.011 0.01 0.03 0.005 32 0.02 0.3
1994
0.01 0.01 * 0.04 0.08 0.018 23 0.02 *
1993
* * * * * * 0 * *
1992
* * * * * * 0 * *
1991
* * * * * * 0 * *
1990
* * * * * * 0 * *
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.