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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 | 0.025 | * | * | * | 0.22 | 0.079 | 5 | 0.05 | * | |||||||||||||
2004 | 0.025 | 0.025 | 0.058 | 0.13 | 0.20 | 0.054 | 31 | 0.05 | 0.02 | |||||||||||||
2003 | 0.025 | 0.025 | 0.079 | 0.21 | 0.39 | 0.092 | 31 | 0.05 | 0.03 | |||||||||||||
2002 | 0.025 | 0.025 | 0.104 | 0.31 | 0.46 | 0.121 | 31 | 0.05 | 0.03 | |||||||||||||
2001 | 0.025 | 0.025 | 0.075 | 0.21 | 0.36 | 0.086 | 31 | 0.05 | 0.02 | |||||||||||||
2000 | 0.025 | 0.025 | 0.114 | 0.34 | 0.58 | 0.139 | 31 | 0.05 | 0.04 | |||||||||||||
1999 | 0.025 | 0.05 | 0.096 | 0.33 | 0.58 | 0.138 | 30 | 0.05 | 0.03 | |||||||||||||
1998 | 0.025 | 0.06 | 0.114 | 0.41 | 0.79 | 0.177 | 30 | 0.05 | 0.04 | |||||||||||||
1997 | 0.025 | 0.05 | 0.098 | 0.23 | 0.40 | 0.105 | 31 | 0.05 | 0.03 | |||||||||||||
1996 | 0.025 | 0.07 | 0.135 | 0.24 | 0.90 | 0.187 | 24 | 0.05 | 0.04 | |||||||||||||
1995 | 0.025 | 0.10 | 0.135 | 0.23 | 0.63 | 0.142 | 24 | 0.05 | 0.04 | |||||||||||||
1994 | 0.05 | 0.23 | * | 0.40 | 0.43 | 0.131 | 12 | 0.05 | * | |||||||||||||
1993 | 0.025 | 0.11 | 0.216 | 0.55 | 0.94 | 0.254 | 24 | 0.05 | 0.07 | |||||||||||||
1992 | 0.025 | 0.10 | 0.147 | 0.31 | 0.78 | 0.169 | 24 | 0.05 | 0.05 | |||||||||||||
1991 | 0.025 | 0.16 | 0.381 | 1.17 | 1.6 | 0.472 | 24 | 0.05 | 0.1 | |||||||||||||
1990 | 0.06 | * | * | * | 1.0 | 0.337 | 8 | 0.05 | * | |||||||||||||
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. |