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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 | * | * | * | 0.09 | 0.024 | 5 | 0.05 | * | |||||||||||||
2004 | 0.025 | 0.025 | 0.044 | 0.10 | 0.20 | 0.039 | 31 | 0.05 | 0.1 | |||||||||||||
2003 | 0.025 | 0.025 | 0.052 | 0.13 | 0.29 | 0.057 | 31 | 0.05 | 0.2 | |||||||||||||
2002 | 0.025 | 0.025 | 0.050 | 0.10 | 0.20 | 0.049 | 31 | 0.05 | 0.2 | |||||||||||||
2001 | 0.025 | 0.025 | 0.042 | 0.07 | 0.24 | 0.054 | 31 | 0.05 | 0.1 | |||||||||||||
2000 | 0.025 | 0.025 | 0.052 | 0.13 | 0.28 | 0.057 | 31 | 0.05 | 0.2 | |||||||||||||
1999 | 0.025 | 0.025 | 0.047 | 0.15 | 0.23 | 0.061 | 30 | 0.05 | 0.1 | |||||||||||||
1998 | 0.025 | 0.025 | 0.058 | 0.19 | 0.48 | 0.100 | 30 | 0.05 | 0.2 | |||||||||||||
1997 | 0.025 | 0.025 | 0.051 | 0.11 | 0.20 | 0.048 | 31 | 0.05 | 0.2 | |||||||||||||
1996 | 0.025 | 0.025 | 0.073 | 0.12 | 0.50 | 0.101 | 24 | 0.05 | 0.2 | |||||||||||||
1995 | 0.025 | 0.025 | 0.069 | 0.17 | 0.32 | 0.074 | 24 | 0.05 | 0.2 | |||||||||||||
1994 | 0.025 | 0.09 | * | 0.14 | 0.18 | 0.055 | 12 | 0.05 | * | |||||||||||||
1993 | 0.025 | 0.06 | 0.110 | 0.31 | 0.48 | 0.136 | 24 | 0.05 | 0.4 | |||||||||||||
1992 | 0.025 | 0.025 | 0.068 | 0.13 | 0.51 | 0.103 | 24 | 0.05 | 0.2 | |||||||||||||
1991 | 0.025 | 0.06 | 0.155 | 0.52 | 0.91 | 0.242 | 24 | 0.05 | 0.5 | |||||||||||||
1990 | 0.025 | 0.07 | 0.108 | 0.23 | 0.48 | 0.122 | 24 | 0.05 | 0.3 | |||||||||||||
1989 | 0.025 | 0.025 | 0.121 | 0.30 | 0.78 | 0.216 | 24 | 0.05 | 0.4 | |||||||||||||
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. |