Table I.
Concentrations of POPs and metals in Yup'ik maternal blood from Alaska
| 1999–2003 | 2004–2006 | 2009–2012 | |
|---|---|---|---|
| Mean age sample size | 26 (n=106) | 26.4 (n=206) | 26.5 (n=156) |
| trans-Nonachlor | 5.3 | 21 (1.8–310) | 9.9 (<LOD–107) |
| HCB | 14 | 22 (2.4–188) | 15.9 (2.7–98.8) |
| PCB153 | 17 | 24 (0.8–416) | 14.8 (1.5–148) |
| PBDE47 | na | 26 (1.2–455) | 19.8 (2.4–395) |
| PBDE99 | na | 6.3 (0.2–1,359) | 4.5 (<LOD–186) |
| Mean age sample size | 25 (n=43) | 25 (n=75) | 26.5 (n=160) |
| Total Hg | 1.1 | 5 | 2.2 |
| Pb | 11 | 18 | 7.4 |
| Cd | 0.6 | 0.4 | 0.2 |
| Se | na | na | 181 |
Data presented as geometric means (range), calculated for the specified period of sampling, in µg/kg plasma lipid (PCBs and PBDEs), µg/L plasma (PFCs) or µg/L whole blood (metals). PBDE, polybrominated diphenyl ethers.