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Annual Toxics Summary		 ARB's ADAM Air Quality Database
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Chloroform
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 * *
2022
* * * * * * 0 * *
2021
0.01 0.01 * 0.03 0.04 0.009 18 0.02 *
2020
0.01 * * * 0.03 0.008 7 0.02 *
2019
0.01 0.02 0.023 0.04 0.05 0.013 29 0.02 2
2018
0.01 0.03 0.027 0.04 0.05 0.010 30 0.02 2
2017
0.01 0.03 0.034 0.05 0.10 0.016 28 0.02 3
2016
0.02 0.04 0.042 0.07 0.10 0.021 31 0.02 3
2015
0.02 0.03 0.034 0.05 0.06 0.010 30 0.02 3
2014
0.01 0.03 0.028 0.04 0.08 0.014 31 0.02 2
2013
0.01 0.02 0.051 0.08 0.55 0.098 30 0.02 4
2012
0.01 0.02 0.028 0.03 0.25 0.043 30 0.02 2
2011
0.01 0.03 0.030 0.06 0.11 0.024 30 0.02 2
2010
0.01 0.03 0.025 0.04 0.07 0.013 30 0.02 2
2009
0.01 0.02 0.025 0.05 0.07 0.018 31 0.02 2
2008
0.01 0.02 0.022 0.04 0.05 0.012 31 0.02 2
2007
0.01 0.02 0.027 0.05 0.08 0.018 30 0.02 2
2006
0.01 0.02 0.023 0.03 0.07 0.012 30 0.02 2
2005
0.01 0.03 0.027 0.05 0.07 0.016 31 0.02 2
2004
0.01 0.02 0.026 0.05 0.08 0.018 30 0.02 2
2003
0.01 0.03 0.028 0.05 0.06 0.014 30 0.02 2
2002
0.01 0.03 0.029 0.04 0.06 0.012 28 0.02 2
2001
0.01 0.02 0.023 0.03 0.05 0.010 31 0.02 2
2000
0.01 0.02 0.025 0.05 0.09 0.019 31 0.02 2
1999
0.01 0.02 * 0.03 0.04 0.011 23 0.02 *
1998
0.01 0.03 0.032 0.05 0.11 0.022 25 0.02 2
1997
0.01 0.02 0.022 0.03 0.10 0.018 28 0.02 2
1996
0.01 0.03 0.032 0.05 0.09 0.020 31 0.02 2
1995
0.01 0.03 0.029 0.06 0.09 0.021 30 0.02 2
1994
0.01 0.01 0.018 0.03 0.13 0.023 30 0.02 1
1993
0.01 0.02 * 0.04 0.12 0.022 33 0.02 *
1992
0.01 0.01 0.020 0.04 0.04 0.012 28 0.02 2
1991
0.01 0.02 0.027 0.05 0.12 0.026 29 0.02 2
1990
0.01 0.02 0.027 0.06 0.09 0.023 30 0.02 2
1989
0.01 0.04 0.035 0.06 0.08 0.019 23 0.02 3
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.