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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
0.02 0.02 * 0.13 0.24 0.068 12 0.04 *
2011
0.02 0.02 0.072 0.19 0.37 0.096 30 0.04 78
2010
0.02 0.02 0.056 0.13 0.30 0.062 30 0.04 61
2009
0.02 0.05 0.071 0.18 0.35 0.084 31 0.04 77
2008
0.02 0.02 0.074 0.19 0.31 0.080 31 0.04 80
2007
0.02 0.04 0.060 0.18 0.24 0.064 29 0.04 65
2006
0.02 0.02 0.057 0.13 0.24 0.056 30 0.04 61
2005
0.02 0.05 0.108 0.33 0.74 0.156 31 0.04 117
2004
0.02 0.06 0.132 0.36 0.48 0.147 30 0.04 142
2003
0.02 0.07 0.111 0.31 0.43 0.123 31 0.04 120
2002
0.02 0.07 0.154 0.38 0.60 0.156 30 0.04 167
2001
0.02 0.10 0.157 0.36 0.88 0.184 31 0.04 170
2000
0.02 0.06 0.142 0.40 0.74 0.177 30 0.04 154
1999
0.02 0.12 0.149 0.32 0.57 0.118 30 0.04 161
1998
0.02 0.14 0.170 0.35 0.58 0.150 31 0.04 184
1997
0.02 0.14 * 0.46 0.76 0.189 29 0.04 *
1996
0.02 0.10 0.216 0.60 1.0 0.237 31 0.04 234
1995
0.02 0.16 0.205 0.47 0.76 0.169 30 0.04 221
1994
0.02 0.16 0.249 0.48 0.96 0.217 31 0.04 269
1993
0.02 0.18 0.295 0.65 0.99 0.257 30 0.04 318
1992
0.02 0.21 * 0.38 0.68 0.169 16 0.04 *
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.