| Impact ID | 3323 |
| Impact Type | Human Health |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | A study of contaminant levels in Lake St. Clair and the St. Clair River indicated that while most Cyprinus carpio were below the general human consumption guidelines for mercury content, high PCB levels are of concern for both sensitive and general populations, especially in medium- to large-size fish. |
| Reference | 24249 |
| Cost | |
| Location | Lake St. Clair and St. Clair River, Michigan, USA and Ontario, Canada |