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Annual Toxics Summary
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1,3-Butadiene
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 * *
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
0.13 * * * 0.99 0.268 9 0.04 *
1993
0.07 0.24 0.327 0.76 1.1 0.274 30 0.04 354
1992
0.02 0.22 0.240 0.48 0.77 0.183 31 0.04 259
1991
0.02 0.19 0.306 0.78 0.94 0.274 29 0.04 331
1990
0.02 0.32 0.389 0.98 1.2 0.331 32 0.04 421
1989
0.02 0.31 0.447 0.88 1.3 0.354 19 0.04 483
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.