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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 | 0.05 | * | * | * | 0.25 | 0.101 | 5 | 0.05 | * | |||||||||||||
2004 | 0.025 | 0.025 | 0.062 | 0.13 | 0.37 | 0.075 | 30 | 0.05 | 0.02 | |||||||||||||
2003 | 0.025 | 0.025 | 0.073 | 0.12 | 0.42 | 0.088 | 31 | 0.05 | 0.02 | |||||||||||||
2002 | 0.025 | 0.025 | 0.076 | 0.22 | 0.49 | 0.103 | 30 | 0.05 | 0.02 | |||||||||||||
2001 | 0.025 | 0.025 | 0.118 | 0.31 | 0.69 | 0.177 | 31 | 0.05 | 0.04 | |||||||||||||
2000 | 0.025 | 0.025 | 0.130 | 0.48 | 0.61 | 0.178 | 30 | 0.05 | 0.04 | |||||||||||||
1999 | 0.025 | 0.08 | 0.151 | 0.44 | 0.68 | 0.174 | 30 | 0.05 | 0.05 | |||||||||||||
1998 | 0.025 | 0.11 | 0.168 | 0.37 | 1.0 | 0.208 | 31 | 0.05 | 0.05 | |||||||||||||
1997 | 0.025 | 0.06 | 0.113 | 0.20 | 0.78 | 0.163 | 30 | 0.05 | 0.04 | |||||||||||||
1996 | 0.025 | 0.06 | 0.126 | 0.29 | 1.0 | 0.210 | 24 | 0.05 | 0.04 | |||||||||||||
1995 | 0.025 | 0.12 | 0.168 | 0.35 | 0.53 | 0.144 | 24 | 0.05 | 0.05 | |||||||||||||
1994 | 0.10 | 0.32 | * | 1.07 | 1.3 | 0.390 | 14 | 0.05 | * | |||||||||||||
1993 | 0.025 | 0.13 | 0.409 | 1.27 | 1.7 | 0.510 | 24 | 0.05 | 0.1 | |||||||||||||
1992 | 0.025 | 0.14 | 0.237 | 0.78 | 1.0 | 0.297 | 24 | 0.05 | 0.08 | |||||||||||||
1991 | 0.025 | 0.15 | 0.332 | 0.83 | 2.0 | 0.495 | 24 | 0.05 | 0.1 | |||||||||||||
1990 | 0.025 | 0.14 | 0.408 | 1.1 | 2.6 | 0.589 | 24 | 0.05 | 0.1 | |||||||||||||
1989 | 0.025 | 0.12 | * | 1.14 | 2.2 | 0.623 | 19 | 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. |