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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 | * | * | * | 0.17 | 0.058 | 5 | 0.05 | * | |||||||||||||
2004 | 0.025 | 0.025 | 0.053 | 0.11 | 0.26 | 0.051 | 30 | 0.05 | 0.2 | |||||||||||||
2003 | 0.025 | 0.025 | 0.066 | 0.17 | 0.22 | 0.062 | 31 | 0.05 | 0.2 | |||||||||||||
2002 | 0.025 | 0.025 | 0.045 | 0.08 | 0.22 | 0.050 | 30 | 0.05 | 0.1 | |||||||||||||
2001 | 0.025 | 0.025 | 0.068 | 0.19 | 0.46 | 0.109 | 31 | 0.05 | 0.2 | |||||||||||||
2000 | 0.025 | 0.025 | 0.089 | 0.22 | 0.62 | 0.137 | 30 | 0.05 | 0.3 | |||||||||||||
1999 | 0.025 | 0.025 | 0.096 | 0.32 | 0.60 | 0.145 | 30 | 0.05 | 0.3 | |||||||||||||
1998 | 0.025 | 0.025 | 0.120 | 0.40 | 0.50 | 0.153 | 31 | 0.05 | 0.4 | |||||||||||||
1997 | 0.025 | 0.025 | 0.087 | 0.24 | 0.60 | 0.129 | 30 | 0.05 | 0.3 | |||||||||||||
1996 | 0.025 | 0.025 | 0.091 | 0.15 | 0.59 | 0.139 | 24 | 0.05 | 0.3 | |||||||||||||
1995 | 0.025 | 0.06 | 0.098 | 0.20 | 0.36 | 0.100 | 24 | 0.05 | 0.3 | |||||||||||||
1994 | 0.025 | 0.10 | * | 0.31 | 0.51 | 0.143 | 14 | 0.05 | * | |||||||||||||
1993 | 0.025 | 0.12 | 0.250 | 0.74 | 0.92 | 0.291 | 24 | 0.05 | 0.8 | |||||||||||||
1992 | 0.025 | 0.06 | 0.172 | 0.61 | 0.71 | 0.235 | 24 | 0.05 | 0.5 | |||||||||||||
1991 | 0.025 | 0.05 | 0.153 | 0.55 | 0.66 | 0.208 | 24 | 0.05 | 0.5 | |||||||||||||
1990 | 0.025 | 0.07 | 0.282 | 0.92 | 1.8 | 0.466 | 24 | 0.05 | 0.9 | |||||||||||||
1989 | 0.025 | 0.05 | 0.309 | 0.96 | 1.2 | 0.396 | 24 | 0.05 | 1 | |||||||||||||
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. |