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Table 2 Distribution of concentrations and WHO-TEQs of PCDD/Fs and PCBs in adolescent boys from Chapaevsk, Russia

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

Congener Average DL # of samples above DLa Concentrations WHO-TEF WHO-TEQ (pg TEQ/g lipid)
    Percentiles   Percentiles
    25-th Median 75-th   25-th Median 75-th
PCDDs (pg/g lipid)          
2,3,7,8-TCDD 4.1 2/29 0.00 0.00 0.00 1.000 0.00 0.00 0.00
1,2,3,7,8-PeCDD 4.8 12/30 0.00 0.00 8.30 1.000 0.00 0.00 8.30
1,2,3,6,7,8-HxCDD 7.1 1/30 0.00 0.00 0.00 0.100 0.00 0.00 0.00
1,2,3,7,8,9-HxCDD 6.9 3/30 0.00 0.00 0.00 0.100 0.00 0.00 0.00
1,2,3,4,6,7,8-HpCDD 14.6 15/30 9.40 14.9 25.1 0.010 0.09 0.15 0.25
1,2,3,4,6,7,9-HpCDD 9.0 0/30 0.00 0.20 1.70 0.0000 0.00 0.00 0.00
OCDD 73.1 15/29 32.9 75.0 100 0.0001 0.00 0.01 0.01
PCDFs(pg/g lipid)          
2,3,7,8-TCDF 3.9 0/30 0.00 0.00 0.00 0.1000 0.00 0.00 0.00
1,2,3,7,8-PeCDF 4.7 1/30 0.00 0.00 0.00 0.050 0.00 0.00 0.00
2,3,4,7,8-PeCDF 4.5 29/30 8.50 12.6 17.4 0.500 4.25 6.30 8.75
1,2,3,4,7,8-HxCDF 4.2 27/30 5.50 9.15 20.1 0.100 0.55 0.92 2.01
1,2,3,6,7,8-HxCDF 4.5 21/30 0.00 5.70 8.70 0.100 0.00 0.57 0.87
1,2,3,7,8,9-HxCDF 4.2 0/30 0.00 0.00 0.00 0.100 0.00 0.00 0.00
2,3,4,6,7,8-HxCDF 4.5 1/30 0.00 0.00 1.80 0.100 0.00 0.00 0.18
1,2,3,4,6,7,8-HpCDF 16.8 0/30 3.00 5.30 10.5 0.010 0.03 0.05 0.11
1,2,3,4,7,8,9-HpCDF 6.0 0/30 0.00 0.00 0.00 0.010 0.00 0.00 0.00
Coplanar PCBs(pg/g lipid)          
3,4,4',5-TCB 81 11.0 2/30 0.00 0.00 1.60 0.0001 0.00 0.00 0.00
3,3',4,4',5-PeCB 126 25.3 30/30 43.3 68.4 116 0.1000 4.33 6.84 11.6
3,3',4,4',5,5'-HxCB 169 7.7 28/30 27.3 44.2 54.3 0.0100 0.27 0.44 0.54
Mono-ortho PCBs(ng/g lipid)          
2,3,3',4,4'-PeCB (105) 11.0 9/27 5.6 7.1 11.8 0.0001 0.56 0.71 1.18
2,3',4,4',5-PeCB (118) 11.0 27/27 20.7 28.0 51.6 0.0001 2.07 2.80 5.16
2,3,3',4,4',5-HxCB (156) 11.0 10/27 7.5 9.1 15.9 0.0005 3.75 4.55 7.95
2,3,3',4,4',5'-HxCB (157) 11.0 0/27 2.3 2.6 4.3 0.0005 1.15 1.30 2.15
2,3',4,4',5,5'-HxCB (167) 11.0 0/27 1.6 2.0 3.7 0.00001 0.02 0.03 0.04
2,3,3',4,4',5,5'-HpCB (189) 10.9 0/25 0.4 0.6 0.8 0.0001 0.04 0.06 0.08
Total PCDDs (pg/g lipid)    40.9 95.8 144   0.10 0.29 9.14
Total PCDFs (pg/g lipid)    20.4 33.9 61.8   5.27 7.98 12.3
Total coplanar PCBs (pg/g lipid)    77.6 120 157   4.51 7.39 11.9
Total PCDD/F/coplanar PCBs (pg/g lipid)    154 273 397   12.1 17.1 38.1
Total Mono-ortho PCBs (ng/g lipid)    39.2 47.7 78.4   7.16 8.80 15.5
Total TEQs         30.9 46.8
  1. Abbreviations: DL, detection limit.
  2. Note: 1,2,3,4,7,8-HxCDD, OCDF, and 3,3',4,4'-TCB 77 were not reported in the present study due to interferences in method blanks.
  3. aResults 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.