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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 | 0.06 | * | * | * | 0.18 | 0.052 | 5 | 0.05 | * | |||||||||||||
2004 | 0.025 | 0.05 | 0.094 | 0.21 | 0.42 | 0.099 | 31 | 0.05 | 0.03 | |||||||||||||
2003 | 0.025 | 0.025 | 0.104 | 0.17 | 0.41 | 0.108 | 31 | 0.05 | 0.03 | |||||||||||||
2002 | 0.025 | 0.025 | 0.110 | 0.26 | 0.52 | 0.130 | 30 | 0.05 | 0.03 | |||||||||||||
2001 | 0.025 | 0.025 | 0.122 | 0.34 | 0.52 | 0.148 | 30 | 0.05 | 0.04 | |||||||||||||
2000 | 0.025 | 0.025 | 0.129 | 0.36 | 0.48 | 0.144 | 29 | 0.05 | 0.04 | |||||||||||||
1999 | 0.025 | 0.11 | * | 0.39 | 0.59 | 0.164 | 24 | 0.05 | * | |||||||||||||
1998 | 0.025 | 0.025 | 0.118 | 0.24 | 1.1 | 0.207 | 30 | 0.05 | 0.04 | |||||||||||||
1997 | 0.025 | 0.025 | 0.119 | 0.32 | 0.55 | 0.148 | 31 | 0.05 | 0.04 | |||||||||||||
1996 | 0.025 | 0.05 | 0.105 | 0.24 | 0.60 | 0.134 | 24 | 0.05 | 0.03 | |||||||||||||
1995 | 0.025 | 0.08 | 0.123 | 0.35 | 0.47 | 0.136 | 24 | 0.05 | 0.04 | |||||||||||||
1994 | 0.06 | 0.22 | * | 0.60 | 0.64 | 0.209 | 14 | 0.05 | * | |||||||||||||
1993 | 0.025 | 0.09 | 0.148 | 0.33 | 0.65 | 0.166 | 24 | 0.05 | 0.05 | |||||||||||||
1992 | 0.025 | 0.025 | 0.153 | 0.42 | 0.89 | 0.230 | 24 | 0.05 | 0.05 | |||||||||||||
1991 | 0.025 | 0.12 | 0.193 | 0.47 | 0.82 | 0.220 | 24 | 0.05 | 0.06 | |||||||||||||
1990 | 0.025 | 0.13 | * | 0.73 | 1.2 | 0.333 | 22 | 0.05 | * | |||||||||||||
1989 | 0.025 | 0.025 | * | 0.95 | 1.3 | 0.414 | 18 | 0.05 | * | |||||||||||||
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. |