TABLE 2:
Hepatic and bone lead concentration (µg/g) ranges and percentage of individuals with concentrations exceeding threshold levels for elevated exposure (≥2 µg/g for liver and >6 µg/g for bone) in a sample of golden eagles, turkey vultures and common ravens submitted by a network of wildlife rehabilitation centres and biologists in California from 2007 to 2009
| Liver |
Bone |
|||||||
|---|---|---|---|---|---|---|---|---|
| Species | n | Number of ND results | Range µg/g | % of samples ≥2 µg/g | n | Number of ND results | Range µg/g | % of samples >6 µg/g |
| Golden eagle | 15 | 11 | (ND-36) | 26% | 15 | 5 | (ND-59) | 46% |
| Turkey vulture | 20 | 16 | (ND-38) | 20% | 18 | 2 | (ND-71) | 50% |
| Common raven | 4 | 4 | NA | 0 | 4 | 0 | (3–26) | 50% |
Results are expressed in µg/g (dry weight).
ND, not detected.