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Annual Toxics Summary
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Barium
nanograms per cubic meter
Year Months
Present
Minimum Median Mean 90th
Percentile
Maximum Standard
Deviation
Number of
Observations
Detection
Limit
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 *
2009
* * * * * * 0 *
2008
* * * * * * 0 *
2007
* * * * * * 0 *
2006
* * * * * * 0 *
2005
* * * * * * 0 *
2004
* * * * * * 0 *
2003
9.5 * * * 44 15.1 5 19
2002
9.5 32 34.8 54 88 18.7 29 19
2001
12.5 31 30.4 53 74 18.2 30 25
2000
12.5 37 * 64 92 21.9 14 25
1999
12.5 30 * 49 74 17.5 20 25
1998
12.5 12.5 27.6 48 69 17.6 24 25
1997
12.5 26 25.1 37 49 12.3 27 25
1996
12.5 12.5 25.8 46 65 16.0 27 25
1995
12.5 12.5 * 47 97 21.6 27 25
1994
12.5 12.5 * 33 58 12.3 27 25
1993
12.5 28 26.5 50 67 16.2 29 25
1992
12.5 12.5 20.1 40 44 11.6 26 25
1991
12.5 12.5 18.0 29 91 15.0 31 25
1990
12.5 12.5 * 12.5 68 14.7 15 25
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.