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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 | * | * | * | 0.24 | 0.093 | 5 | 0.05 | * | |||||||||||||
2004 | 0.025 | 0.06 | 0.094 | 0.23 | 0.44 | 0.100 | 31 | 0.05 | 0.03 | |||||||||||||
2003 | 0.025 | 0.025 | 0.113 | 0.22 | 0.51 | 0.122 | 31 | 0.05 | 0.04 | |||||||||||||
2002 | 0.025 | 0.025 | 0.130 | 0.33 | 0.55 | 0.152 | 30 | 0.05 | 0.04 | |||||||||||||
2001 | 0.025 | 0.025 | 0.147 | 0.43 | 0.66 | 0.185 | 30 | 0.05 | 0.05 | |||||||||||||
2000 | 0.025 | 0.025 | 0.162 | 0.48 | 0.60 | 0.188 | 29 | 0.05 | 0.05 | |||||||||||||
1999 | 0.025 | 0.13 | * | 0.47 | 0.78 | 0.210 | 24 | 0.05 | * | |||||||||||||
1998 | 0.025 | 0.025 | 0.148 | 0.33 | 1.2 | 0.234 | 30 | 0.05 | 0.05 | |||||||||||||
1997 | 0.025 | 0.06 | 0.138 | 0.35 | 0.56 | 0.162 | 31 | 0.05 | 0.04 | |||||||||||||
1996 | 0.025 | 0.07 | 0.138 | 0.31 | 0.77 | 0.171 | 24 | 0.05 | 0.04 | |||||||||||||
1995 | 0.025 | 0.11 | 0.165 | 0.46 | 0.62 | 0.176 | 24 | 0.05 | 0.05 | |||||||||||||
1994 | 0.07 | 0.30 | * | 0.70 | 0.73 | 0.240 | 14 | 0.05 | * | |||||||||||||
1993 | 0.025 | 0.12 | 0.180 | 0.42 | 0.73 | 0.192 | 24 | 0.05 | 0.06 | |||||||||||||
1992 | 0.025 | 0.06 | 0.190 | 0.47 | 0.89 | 0.249 | 24 | 0.05 | 0.06 | |||||||||||||
1991 | 0.025 | 0.11 | 0.297 | 0.69 | 1.4 | 0.386 | 24 | 0.05 | 0.09 | |||||||||||||
1990 | 0.08 | * | * | * | 1.2 | 0.370 | 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. |