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Table 2 PCB and PBDE levels in breast milk from the mothers in the study

From: Prenatal exposure to polychlorinated biphenyls (PCBs) and polybrominated diphenyl ethers (PBDEs) may influence birth weight among infants in a Swedish cohort with background exposure: a cross-sectional study

Substance N Mean (SDa) Median Range N < LOQ
di-ortho PCBsb 413 103 (54) 90 15-363 -
   PCB 153 413 52 (29) 44 7.0-186 0
   PCB 138 413 26 (14) 23 4.5-94 0
   PCB 180 413 25 (13) 22 2.6-84 0
PBDE(4)c 364 3.1 (2.6) 2.4 0.45-28 -
   BDE-47 364 1.7 (1.7) 1.3 <LOQ-16 46
   BDE-99 364 0.38 (0.47) 0.26 <LOQ-5.2 124
   BDE-100 364 0.34 (0.40) 0.25 <LOQ-5.1 55
   BDE-153 364 0.65 (0.50) 0.54 <LOQ-4.7 6
  1. aStandard deviation.
  2. bSum of PCB 138, PCB 153 and PCB 180 (ng/g lipid).
  3. cSum of BDE-47, BDE-99, BDE-100 and BDE-153 (ng/g lipid).