![]() |
|||||||||||
|
|||||||||||||||||||||||||||||||
| Read About Estimated Risk |
| Year | Months Present |
Minimum | Median | Mean | 90th Percentile |
Maximum | Standard Deviation |
Number of Observations |
Detection Limit |
Estimated Risk |
||||||||||||
| 2025 | 0.0215 | 0.0215 | * | 0.07 | 0.1 | 0.024 | 16 | 0.043 | * | |||||||||||||
| 2024 | 0.0215 | 0.0215 | 0.025 | 0.0215 | 0.06 | 0.011 | 30 | 0.043 | 10 | |||||||||||||
| 2023 | 0.0215 | 0.0215 | * | 0.08 | 0.14 | 0.031 | 26 | 0.043 | * | |||||||||||||
| 2022 | 0.0215 | 0.06 | 0.083 | 0.11 | 0.99 | 0.171 | 31 | 0.043 | 35 | |||||||||||||
| 2021 | 0.0215 | 0.0215 | * | 0.08 | 0.18 | 0.044 | 23 | 0.043 | * | |||||||||||||
| 2020 | 0.0215 | * | * | * | 0.07 | 0.017 | 9 | 0.043 | * | |||||||||||||
| 2019 | 0.0215 | 0.0215 | 0.043 | 0.08 | 0.12 | 0.028 | 28 | 0.043 | 18 | |||||||||||||
| 2018 | 0.03 | 0.03 | * | 0.09 | 0.14 | 0.032 | 20 | 0.02 | * | |||||||||||||
| 2017 | 0.03 | 0.03 | 0.045 | 0.12 | 0.19 | 0.042 | 29 | 0.06 | 19 | |||||||||||||
| 2016 | 0.06 | * | 0.078 | * | 0.11 | * | 27 | 0.06 | 32 | |||||||||||||
| 2015 | 0.03 | * | 0.078 | * | 0.15 | * | 28 | 0.06 | 32 | |||||||||||||
| 2014 | 0.03 | * | 0.045 | * | 0.09 | * | 28 | 0.06 | 19 | |||||||||||||
| 2013 | 0.03 | * | 0.053 | * | 0.08 | * | 28 | 0.06 | 22 | |||||||||||||
| 2012 | 0.03 | * | 0.065 | * | 0.14 | * | 28 | 0.06 | 27 | |||||||||||||
| 2011 | 0.03 | * | 0.05 | * | 0.07 | * | 28 | 0.06 | 21 | |||||||||||||
| 2010 | 0.03 | * | 0.07 | * | 0.19 | * | 28 | 0.06 | 29 | |||||||||||||
| 2009 | 0.03 | * | 0.04 | * | 0.07 | * | 28 | 0.06 | 17 | |||||||||||||
| 2008 | 0.03 | * | 0.03 | * | 0.03 | * | 28 | 0.06 | 12 | |||||||||||||
| 2007 | 0.03 | * | 0.065 | * | 0.09 | * | 28 | 0.06 | 27 | |||||||||||||
| 2006 | 0.08 | * | 0.105 | * | 0.16 | * | 28 | 0.06 | 44 | |||||||||||||
| 2005 | 0.09 | * | 0.11 | * | 0.13 | * | 27 | 0.06 | 46 | |||||||||||||
| 2004 | 0.1 | * | 0.13 | * | 0.16 | * | 26 | 0.06 | 54 | |||||||||||||
| 2003 | 0.11 | * | 0.145 | * | 0.2 | * | 28 | 0.06 | 60 | |||||||||||||
| 2002 | 0.06 | * | 0.088 | * | 0.12 | * | 28 | 0.06 | 36 | |||||||||||||
| 2001 | 0.1 | 0.1 | * | 0.1 | 0.2 | 0.03 | 18 | 0.2 | * | |||||||||||||
| 2000 | 0.1 | 0.1 | 0.12 | 0.1 | 0.3 | 0.06 | 26 | 0.2 | 50 | |||||||||||||
| 1999 | 0.1 | 0.1 | * | 0.1 | 0.1 | 0.00 | 22 | 0.2 | * | |||||||||||||
| 1998 | 0.1 | 0.1 | 0.10 | 0.1 | 0.1 | 0.00 | 31 | 0.2 | 42 | |||||||||||||
| 1997 | 0.1 | 0.1 | 0.13 | 0.2 | 0.3 | 0.07 | 30 | 0.2 | 54 | |||||||||||||
| 1996 | 0.1 | 0.1 | 0.12 | 0.2 | 0.3 | 0.06 | 28 | 0.2 | 51 | |||||||||||||
| 1995 | 0.1 | 0.2 | 0.25 | 0.4 | 0.5 | 0.13 | 30 | 0.2 | 103 | |||||||||||||
| 1994 | 0.1 | 0.2 | 0.18 | 0.3 | 0.4 | 0.09 | 31 | 0.2 | 73 | |||||||||||||
| 1993 | 0.1 | 0.2 | 0.19 | 0.3 | 0.4 | 0.08 | 30 | 0.2 | 80 | |||||||||||||
| 1992 | 0.1 | 0.2 | * | 0.4 | 0.9 | 0.20 | 16 | 0.2 | * | |||||||||||||
| 1991 | 0.1 | 0.3 | * | 0.4 | 0.5 | 0.12 | 18 | 0.2 | * | |||||||||||||
| 1990 | * | * | * | * | * | * | 0 | * | * | |||||||||||||
| 1989 | * | * | * | * | * | * | 0 | * | * | |||||||||||||
| 2002 and later data based on quarterly composites; percentiles and standard deviation cannot be determined. | |||
| 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. |
||