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Read About Estimated Risk |
Year | Months Present |
Minimum | Median | Mean | 90th Percentile |
Maximum | Standard Deviation |
Number of Observations |
Detection Limit |
Estimated Risk |
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2005 | * | * | * | * | * | * | 0 | * | * | |||||||||||||
2004 | * | * | * | * | * | * | 0 | * | * | |||||||||||||
2003 | 0.025 | 0.06 | 0.085 | 0.19 | 0.36 | 0.082 | 29 | 0.05 | 0.03 | |||||||||||||
2002 | 0.025 | 0.09 | 0.122 | 0.26 | 0.56 | 0.114 | 31 | 0.05 | 0.04 | |||||||||||||
2001 | 0.025 | 0.08 | 0.109 | 0.29 | 0.46 | 0.109 | 29 | 0.05 | 0.03 | |||||||||||||
2000 | 0.025 | 0.10 | 0.134 | 0.34 | 0.45 | 0.108 | 31 | 0.05 | 0.04 | |||||||||||||
1999 | 0.025 | 0.14 | 0.162 | 0.31 | 0.52 | 0.126 | 30 | 0.05 | 0.05 | |||||||||||||
1998 | 0.025 | 0.12 | * | 0.24 | 0.41 | 0.087 | 23 | 0.05 | * | |||||||||||||
1997 | * | * | * | * | * | * | 0 | * | * | |||||||||||||
1996 | * | * | * | * | * | * | 0 | * | * | |||||||||||||
1995 | * | * | * | * | * | * | 0 | * | * | |||||||||||||
1994 | * | * | * | * | * | * | 0 | * | * | |||||||||||||
1993 | * | * | * | * | * | * | 0 | * | * | |||||||||||||
1992 | * | * | * | * | * | * | 0 | * | * | |||||||||||||
1991 | * | * | * | * | * | * | 0 | * | * | |||||||||||||
1990 | * | * | * | * | * | * | 0 | * | * | |||||||||||||
1989 | * | * | * | * | * | * | 0 | * | * | |||||||||||||
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. |