| Year | Water | Species | Chlordane | Mercury |
|---|---|---|---|---|
| 1990 | Grand River/Gentryville | Carp Channel Catfish | 165 57 | 56 88 |
| 1998 | Grand River/Gallatin | Carp Flathead catfish | 60 --- | --- 220 |
Level of concern for chlordane = 300 ppb; for mercury = 1,000 ppb. Fish fillet composites.
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