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Read About Estimated Risk |
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Year | Months Present |
Minimum | Median | Mean | 90th Percentile |
Maximum | Standard Deviation |
Number of Observations |
Detection Limit |
Estimated Risk |
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2024 |
|
* | * | * | * | * | * | 0 | * | * | ||||||||||||
2023 |
|
* | * | * | * | * | * | 0 | * | * | ||||||||||||
2022 |
|
0.02 | 0.02 | * | 0.02 | 0.04 | 0.005 | 22 | 0.04 | * | ||||||||||||
2021 |
|
0.02 | 0.02 | * | 0.02 | 0.08 | 0.016 | 24 | 0.04 | * | ||||||||||||
2020 |
|
0.02 | * | * | * | 0.04 | 0.008 | 7 | 0.04 | * | ||||||||||||
2019 |
|
0.02 | 0.02 | 0.022 | 0.02 | 0.07 | 0.009 | 30 | 0.04 | 24 | ||||||||||||
2018 |
|
0.02 | 0.02 | 0.028 | 0.02 | 0.13 | 0.025 | 30 | 0.04 | 30 | ||||||||||||
2017 |
|
0.02 | 0.02 | 0.027 | 0.07 | 0.08 | 0.018 | 30 | 0.04 | 29 | ||||||||||||
2016 |
|
0.02 | 0.02 | 0.045 | 0.10 | 0.17 | 0.039 | 31 | 0.04 | 49 | ||||||||||||
2015 |
|
0.02 | 0.02 | 0.032 | 0.06 | 0.10 | 0.021 | 30 | 0.04 | 35 | ||||||||||||
2014 |
|
0.02 | 0.02 | 0.043 | 0.07 | 0.15 | 0.030 | 29 | 0.04 | 46 | ||||||||||||
2013 |
|
0.02 | 0.02 | 0.041 | 0.09 | 0.22 | 0.044 | 31 | 0.04 | 44 | ||||||||||||
2012 |
|
0.02 | 0.02 | 0.039 | 0.07 | 0.14 | 0.028 | 30 | 0.04 | 43 | ||||||||||||
2011 |
|
0.02 | 0.05 | 0.058 | 0.11 | 0.22 | 0.046 | 30 | 0.04 | 62 | ||||||||||||
2010 |
|
0.02 | 0.04 | 0.062 | 0.09 | 0.19 | 0.040 | 24 | 0.04 | 68 | ||||||||||||
2009 |
|
0.02 | 0.04 | 0.053 | 0.10 | 0.32 | 0.059 | 31 | 0.04 | 57 | ||||||||||||
2008 |
|
0.02 | 0.05 | * | 0.29 | 1.4 | 0.351 | 28 | 0.04 | * | ||||||||||||
2007 |
|
0.02 | 0.05 | 0.298 | 0.19 | 5.1 | 0.981 | 27 | 0.04 | 322 | ||||||||||||
2006 |
|
0.02 | 0.05 | 0.061 | 0.10 | 0.28 | 0.052 | 29 | 0.04 | 65 | ||||||||||||
2005 |
|
0.02 | 0.07 | 0.078 | 0.14 | 0.22 | 0.053 | 29 | 0.04 | 85 | ||||||||||||
2004 |
|
0.02 | 0.07 | 0.076 | 0.15 | 0.22 | 0.052 | 29 | 0.04 | 82 | ||||||||||||
2003 |
|
0.02 | 0.08 | 0.076 | 0.13 | 0.26 | 0.056 | 28 | 0.04 | 83 | ||||||||||||
2002 |
|
0.02 | 0.11 | 0.135 | 0.29 | 0.40 | 0.101 | 28 | 0.04 | 146 | ||||||||||||
2001 |
|
0.02 | 0.14 | * | 0.27 | 0.31 | 0.084 | 26 | 0.04 | * | ||||||||||||
2000 |
|
0.04 | 0.13 | 0.146 | 0.23 | 0.65 | 0.114 | 30 | 0.04 | 158 | ||||||||||||
1999 |
|
0.14 | * | * | * | 0.14 | 0.094 | 1 | 0.04 | * | ||||||||||||
1998 |
|
* | * | * | * | * | * | 0 | * | * | ||||||||||||
1997 |
|
* | * | * | * | * | * | 0 | * | * | ||||||||||||
1996 |
|
* | * | * | * | * | * | 0 | * | * | ||||||||||||
1995 |
|
* | * | * | * | * | * | 0 | * | * | ||||||||||||
1994 |
|
* | * | * | * | * | * | 0 | * | * | ||||||||||||
1993 |
|
* | * | * | * | * | * | 0 | * | * | ||||||||||||
1992 |
|
* | * | * | * | * | * | 0 | * | * | ||||||||||||
1991 |
|
* | * | * | * | * | * | 0 | * | * | ||||||||||||
1990 |
|
* | * | * | * | * | * | 0 | * | * | ||||||||||||
1989 |
|
0.08 | * | * | * | 0.38 | 0.094 | 9 | 0.04 | * | ||||||||||||
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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. |
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