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meta/para-Xylene
parts per billion
Year Months
Present
Minimum Median Mean 90th
Percentile
Maximum Standard
Deviation
Number of
Observations
Detection
Limit
2023
0.1 0.1 * 0.3 0.4 0.09 18 0.2
2022
0.1 0.1 0.16 0.3 0.5 0.11 31 0.2
2021
0.1 0.1 * 0.3 0.6 0.12 23 0.2
2020
0.1 * * * 0.5 0.17 9 0.2
2019
0.1 0.1 0.19 0.4 0.5 0.13 30 0.2
2018
0.1 0.1 0.19 0.4 0.8 0.18 31 0.2
2017
0.1 0.1 0.25 0.6 0.9 0.22 30 0.2
2016
0.1 0.1 * 0.5 0.7 0.19 12 0.2
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
* * * * * * 0 *
2002
* * * * * * 0 *
2001
* * * * * * 0 *
2000
* * * * * * 0 *
1999
* * * * * * 0 *
1998
* * * * * * 0 *
1997
* * * * * * 0 *
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.