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Table 3 Concentrations (ng/g lipid) of six PCB congenersa in blood of adolescent boys from Chapaevsk, Russia

From: Predictors of serum dioxin levels among adolescent boys in Chapaevsk, Russia: A cross-sectional pilot study

PCB congener (IUPAC #) Average DL # of Samples above the DLb Median Concentration (ng/g lipid) Mean (SD) Concentration (ng/g lipid)
PCB 28 20.0 1/24 10.6 11.9 (6.33)
PCB 74 11.0 14/27 10.8 14.8 (10.8)
PCB 99 11.0 27/27 27.7 34.1 (22.5)
PCB 138 18.0 21/27 29.6 39.4 (22.2)
PCB 153 19.8 27/27 51.2 64.5 (30.7)
PCB 180 11.0 23/27 17.7 22.8 (14.9)
Sum of 6 congeners    136 168 (99.3)
  1. Abbreviations: DL, detection limit
  2. aPCB congeners include 6 prevalent or indicator congeners (DIN 51 527, 1987)
  3. bResults for some samples could not be reported because one or more of the analytical QA/QC criteria were not met. Therefore, the denominator may be less than 30.