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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
0.02 0.02 * 0.06 0.10 0.023 17 0.04 *
2009
0.02 0.02 0.047 0.09 0.12 0.032 31 0.04 51
2008
0.02 0.02 0.040 0.07 0.12 0.030 31 0.04 43
2007
0.02 0.04 0.052 0.11 0.16 0.044 30 0.04 56
2006
0.02 0.02 0.054 0.13 0.22 0.051 29 0.04 58
2005
0.02 0.06 * 0.14 0.27 0.059 28 0.04 *
2004
0.02 0.02 0.049 0.12 0.16 0.043 30 0.04 53
2003
0.02 0.07 0.078 0.13 0.21 0.052 30 0.04 84
2002
0.02 0.09 0.116 0.20 0.40 0.086 28 0.04 125
2001
0.02 0.11 0.132 0.23 0.44 0.094 30 0.04 143
2000
0.02 0.09 0.136 0.35 0.50 0.125 30 0.04 147
1999
0.02 0.15 0.176 0.31 0.69 0.138 29 0.04 190
1998
0.06 0.25 0.238 0.43 0.97 0.181 33 0.04 258
1997
0.10 0.20 * 0.36 0.53 0.124 13 0.04 *
1996
0.02 0.16 0.199 0.36 0.74 0.151 31 0.04 215
1995
0.07 0.23 0.270 0.47 0.83 0.174 30 0.04 292
1994
0.07 0.20 0.252 0.50 0.83 0.180 31 0.04 272
1993
0.02 0.26 0.321 0.68 0.70 0.204 30 0.04 347
1992
0.02 0.19 0.193 0.35 0.63 0.136 29 0.04 208
1991
0.02 0.19 0.259 0.66 0.77 0.228 30 0.04 280
1990
0.02 0.21 0.283 0.67 0.86 0.233 30 0.04 306
1989
0.06 0.35 0.355 0.74 1.0 0.259 23 0.04 384
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.