Sites with carbon tetrachloride data available Available Substances Order a Data CD 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
Rosarito FAQs
Carbon Tetrachloride
parts per billion
Read About New Estimated Risk
Year Months
Present
Minimum Median Mean 90th
Percentile
Maximum Standard
Deviation
Number of
Observations
Detection
Limit
Estimated
Risk
2017
* * * * * * 0 * *
2016
* * * * * * 0 * *
2015
* * * * * * 0 * *
2014
* * * * * * 0 * *
2013
* * * * * * 0 * *
2012
* * * * * * 0 * *
2011
* * * * * * 0 * *
2010
0.07 0.08 * 0.10 0.10 0.009 13 0.02 *
2009
* * * * * * 0 * *
2008
* * * * * * 0 * *
2007
* * * * * * 0 * *
2006
* * * * * * 0 * *
2005
* * * * * * 0 * *
2004
0.08 * * * 0.09 0.006 3 0.02 *
2003
0.08 0.09 0.094 0.11 0.12 0.011 30 0.02 72
2002
0.07 0.09 * 0.10 0.11 0.010 27 0.02 *
2001
0.08 0.09 * 0.09 0.10 0.006 24 0.02 *
2000
0.08 0.09 * 0.13 0.13 0.017 19 0.02 *
1999
0.07 0.08 * 0.12 0.12 0.017 15 0.02 *
1998
0.08 0.11 * 0.14 0.15 0.021 23 0.02 *
1997
0.01 0.10 * 0.12 0.14 0.027 18 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.