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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 | 0.17 | * | * | * | 0.78 | 0.250 | 5 | 0.05 | * | |||||||||||||
2004 | 0.025 | 0.12 | 0.218 | 0.60 | 0.87 | 0.220 | 30 | 0.05 | 0.07 | |||||||||||||
2003 | 0.025 | 0.13 | 0.247 | 0.57 | 1.1 | 0.262 | 29 | 0.05 | 0.08 | |||||||||||||
2002 | 0.025 | 0.15 | 0.342 | 0.83 | 3.0 | 0.580 | 28 | 0.05 | 0.1 | |||||||||||||
2001 | 0.025 | 0.17 | * | 0.38 | 0.75 | 0.165 | 25 | 0.05 | * | |||||||||||||
2000 | 0.025 | 0.32 | 0.450 | 0.88 | 1.5 | 0.388 | 29 | 0.05 | 0.1 | |||||||||||||
1999 | 0.025 | 0.18 | 0.709 | 1.2 | 7.4 | 1.34 | 30 | 0.05 | 0.2 | |||||||||||||
1998 | 0.05 | 0.17 | 0.443 | 0.69 | 5.5 | 1.03 | 30 | 0.05 | 0.1 | |||||||||||||
1997 | 0.025 | 0.21 | 0.260 | 0.61 | 0.71 | 0.211 | 31 | 0.05 | 0.08 | |||||||||||||
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. |