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Annual Toxics Summary
ARB's ADAM Air Quality Database
Mexicali-Calzada Benito Juarez FAQs
Carbon Tetrachloride
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 * *
2020
* * * * * * 0 * *
2019
* * * * * * 0 * *
2018
* * * * * * 0 * *
2017
* * * * * * 0 * *
2016
* * * * * * 0 * *
2015
* * * * * * 0 * *
2014
* * * * * * 0 * *
2013
* * * * * * 0 * *
2012
* * * * * * 0 * *
2011
* * * * * * 0 * *
2010
0.07 * * * 0.09 0.012 4 0.02 *
2009
* * * * * * 0 * *
2008
* * * * * * 0 * *
2007
* * * * * * 0 * *
2006
* * * * * * 0 * *
2005
* * * * * * 0 * *
2004
* * * * * * 0 * *
2003
0.01 0.10 * 0.11 0.12 0.024 17 0.02 *
2002
0.01 0.09 * 0.10 0.11 0.021 18 0.02 *
2001
0.03 0.09 0.089 0.09 0.16 0.023 27 0.02 69
2000
0.05 0.09 0.088 0.10 0.12 0.013 29 0.02 67
1999
0.06 0.08 * 0.10 0.11 0.013 14 0.02 *
1998
0.07 0.11 * 0.15 0.17 0.027 24 0.02 *
1997
0.09 0.11 * 0.13 0.14 0.014 15 0.02 *
1996
* * * * * * 0 * *
1995
* * * * * * 0 * *
1994
* * * * * * 0 * *
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.