
28 Environmental Health: Indoor Exposures, Assessments and Interventions
TABLE 1 Teachers’ Whole Weight Serum PCB Concentrations, % Light Congeners, and Congener Ratio.
Subject Age School TotalPCB1 Light PCB2 Light PCB %to-
tal
PCB471 PCB47% total Ratio PCB 47:153
12 35 A 0.74 0.24 32.29 0.10 12.97 1.22
8 41 A 0.58 0.21 35.63 0.14 23.28 1.96
11 41 A 1.09 0.30 27.40 0.16 14.33 1.00
16 46 A 1.49 0.17 11.38 0.01 0.70 0.05
15 47 A 1.42 0.28 19.96 0.08 5.90 0.34
4 48 A 2.02 0.28 14.09 0.10 5.18 0.33
3 49 A 0.96 0.18 18.72 0.04 4.32 0.25
10 54 A 1.92 0.30 15.54 0.12 6.45 0.33
17 56 A 2.45 0.29 11.79 0.08 3.20 ...