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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 | * | * | * | 0.06 | 0.019 | 5 | 0.05 | * | |||||||||||||
| 2004 | 0.025 | 0.025 | 0.043 | 0.07 | 0.18 | 0.036 | 31 | 0.05 | 0.01 | |||||||||||||
| 2003 | 0.025 | 0.025 | 0.047 | 0.07 | 0.18 | 0.039 | 31 | 0.05 | 0.02 | |||||||||||||
| 2002 | 0.025 | 0.025 | 0.050 | 0.11 | 0.23 | 0.049 | 30 | 0.05 | 0.02 | |||||||||||||
| 2001 | 0.025 | 0.025 | 0.057 | 0.14 | 0.21 | 0.058 | 30 | 0.05 | 0.02 | |||||||||||||
| 2000 | 0.025 | 0.025 | 0.056 | 0.13 | 0.19 | 0.050 | 29 | 0.05 | 0.02 | |||||||||||||
| 1999 | 0.025 | 0.025 | * | 0.16 | 0.23 | 0.063 | 24 | 0.05 | * | |||||||||||||
| 1998 | 0.025 | 0.025 | 0.052 | 0.09 | 0.42 | 0.075 | 30 | 0.05 | 0.02 | |||||||||||||
| 1997 | 0.025 | 0.025 | 0.054 | 0.13 | 0.21 | 0.053 | 31 | 0.05 | 0.02 | |||||||||||||
| 1996 | 0.025 | 0.025 | 0.047 | 0.09 | 0.25 | 0.051 | 24 | 0.05 | 0.01 | |||||||||||||
| 1995 | 0.025 | 0.025 | 0.053 | 0.13 | 0.20 | 0.053 | 24 | 0.05 | 0.02 | |||||||||||||
| 1994 | 0.025 | 0.10 | * | 0.24 | 0.25 | 0.084 | 14 | 0.05 | * | |||||||||||||
| 1993 | 0.025 | 0.025 | 0.069 | 0.15 | 0.28 | 0.067 | 24 | 0.05 | 0.02 | |||||||||||||
| 1992 | 0.025 | 0.025 | 0.071 | 0.18 | 0.41 | 0.099 | 24 | 0.05 | 0.02 | |||||||||||||
| 1991 | 0.025 | 0.025 | 0.072 | 0.18 | 0.34 | 0.088 | 24 | 0.05 | 0.02 | |||||||||||||
| 1990 | 0.025 | 0.05 | * | 0.25 | 0.38 | 0.112 | 22 | 0.05 | * | |||||||||||||
| 1989 | 0.025 | 0.025 | * | 0.28 | 0.40 | 0.124 | 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. |
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