Levels of persistent organic pollutants found in the blood of sea otters captured in the western Aleutian Islands and southeast Alaska in 1997

The data consist of levels of organic pollutants found in the blood of sea otters captured from five areas in the western Aleutian Islands and in Cross Sound in southeast Alaska. For each location, the sample size, and the median and range of values for each compound is provided. The compounds are PCBs (polychlorinated biphenyls), DDTs (dichlorodiphenyltrichloroethanes), HCHs (hexachlorocyclohexanes), chlordane, HCB (hexachlorocyclobenzene), and dieldrin.