Table 1.
Serum concentration
|
Case 1
|
Liquid clay
|
Processed clay
|
|||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Compound | WHO 2005TEFa | Case 1 | Case 2 | Case 3 | House dust | House perimeter | Flood plain | Wet | Unfired | Fired | Wet ball clayb | Mixtureb | Unfiredb | Firedb |
PCDDs | ||||||||||||||
2,3,7,8-TCDD | 1 | 65.4 | 9 | 22.1 | 2.49 | 2.67 | 65 | 31 | 5.34 | 0.05c | 1,480 | 191 | 212 | 0.1 |
1,2,3,7,8-PentaCDD | 1 | 59.8 | 17 | 18.4 | 2.85 | 2.52 | 10.6 | 85 | 46.1 | 0.15 | 1,220 | 155 | 157 | 0.4 |
1,2,3,4,7,8-HexaCDD | 0.1 | 30.8 | 12.1 | 17.5 | 5.98 | 2.42 | 8.7 | 86.5 | 44.7 | 0.14c | 271 | 32 | 30 | 0.4 |
1,2,3,6,7,8-HexaCDD | 0.1 | 189 | 83.6 | 82.3 | 84.7 | 6.36 | 58.6 | 142 | 63.5 | 0.28 | 777 | 103 | 93 | 0.4 |
1,2,3,7,8,9-HexaCDD | 0.1 | 32.4 | 10.7 | 14.1 | 31 | 4.66 | 12.9 | 454 | 388 | 0.28 | 2,890 | 395 | 363 | 0.4 |
1,2,3,4,6,7,8-HeptaCDD | 0.01 | 149 | 74.7 | 57.1 | 4,620 | 110 | 652 | 2,430 | 1,280 | 1.92 | 7,500 | 1,130 | 1,080 | 0.4 |
OctaCDD | 0.0003 | 541 | 914 | 615 | 20,900 | 851 | 5,800 | 48,500 | 18,400 | 7.26 | 97,900 | 29,700 | 23,000 | 1.4 |
PCDFs | ||||||||||||||
2,3,7,8-TetraCDF | 0.1 | 1.09 | 0.264c | 0.716 | 9.96 | 20 | 836 | 0.07c | 11 | 0.09c | ND | ND | ND | ND |
1,2,3,7,8-PentaCDF | 0.03 | 0.4c | 0.141c | 0.533 | 6.85 | 12 | 543 | 0.08c | 17.5 | 0.21 | ND | ND | ND | ND |
2,3,4,7,8-PentaCDF | 0.3 | 50 | 12.4 | 13.7 | 7.97 | 13.7 | 442 | 0.07c | 7.88 | 0.13c | ND | ND | ND | ND |
1,2,3,4,7,8-HexaCDF | 0.1 | 27 | 8.46 | 10 | 10.4 | 12.2 | 375 | 0.07c | 4.73 | 0.08c | ND | ND | ND | ND |
1,2,3,6,7,8-HexaCDF | 0.1 | 24.7 | 8.56 | 7.96 | 7.73 | 5.36 | 126 | 0.50 | 5.2 | 0.16 | ND | ND | ND | ND |
1,2,3,7,8,9-HexaCDF | 0.1 | 1.06c | 0.397c | 0.356c | 2.11 | 3.06 | 80.4 | 0.15c | 1.67 | 0.07c | ND | ND | ND | ND |
2,3,4,6,7,8-HexaCDF | 0.1 | 4.23 | 1.63 | 1.33 | 6.79 | 5.85 | 48.7 | 0.1c | 1.7 | 0.13 | ND | ND | ND | ND |
1,2,3,4,6,7,8-HeptaCDF | 0.01 | 9.45 | 5.24 | 6.73 | 289 | 53.5 | 771 | 0.16 | 3.29 | 0.62 | ND | ND | ND | ND |
1,2,3,4,7,8,9-HeptaCDF | 0.01 | 0.68c | 0.257c | 0.505c | 9.4 | 3.41 | 65 | 0.07c | 1.94 | 0.08 | ND | ND | ND | ND |
OctaCDF | 0.0003 | 2.1c | 1.04c | 1.06 | 636 | 92.6 | 1,740 | 4.57 | 5.27 | 0.34 | ND | ND | ND | ND |
PCBs | ||||||||||||||
PCB-81 | 0.0003 | 9.33 | 1.18c | 3.77 | 40.2 | 1.58 | 16.1 | 0.15c | 221 | 9.27 | NR | NR | NR | NR |
PCB-77 | 0.0001 | 6.39 | 2.36 | 5.72 | 869 | 17.9 | 258 | 0.42 | 800 | 18.3 | NR | NR | NR | NR |
PCB-126 | 0.1 | 309 | 30 | 66.5 | 48.9 | 7.77 | 9.5 | 0.25c | 9.41 | 0.58 | NR | NR | NR | NR |
PCB-169 | 0.03 | 116 | 43.5 | 51.8 | 2.03 | 1.16 | 2.2 | 0.19c | 0.6c | 0.07c | NR | NR | NR | NR |
PCB-105 | 0.00003 | 9,220 | 3,360 | 7,320 | 6,970 | 170 | 492 | 1.45 | 3,130 | 213 | NR | NR | NR | NR |
PCB-114 | 0.00003 | 4,620 | 2,220 | 2,400 | 455 | 7.36 | 34.7 | 0.25c | 214 | 8.5 | NR | NR | NR | NR |
PCB-118 | 0.00003 | 60,100 | 19,200 | 33,100 | 16,500 | 286 | 1,080 | 4.19 | 8,000 | 345 | NR | NR | NR | NR |
PCB-123 | 0.00003 | 1,560 | 270 | 523 | 417 | 10.1 | 27 | 0.24c | 118 | 5.38 | NR | NR | NR | NR |
PCB-156 | 0.00003 | 21,500 | 14,000 | 13,700 | 1,570 | 68.6 | 110 | 0.21 | 1,390 | 25.5 | NR | NR | NR | NR |
PCB-157 | 0.00003 | 5,200 | 2,990 | 2,890 | 332 | 18.9 | 26.8 | 0.08c | 98.2 | 5.07 | NR | NR | NR | NR |
PCB-167 | 0.00003 | 7,350 | 3,300 | 3,440 | 682 | 33.4 | 47 | 0.09c | 575 | 7.15 | NR | NR | NR | NR |
PCB-189 | 0.00003 | 1,920 | 800 | 775 | 103 | 9.19 | 15 | 0.06c | 215 | 1.44 | NR | NR | NR | NR |
Total TEQ | 211 | 49 | 69 | 85 | 18 | 397 | 223 | 126 | 0.5 | 3,190 | 419 | 435 | < 1 |
Abbreviations: ND, not detected (< LOD); NR, not reported. Serum results are reported on a lipid-adjusted basis; all other results are reported on a dry-weight basis.
Data from Van den Berg et al. (2006).
Data from Ferrario and Byrne (2002).
< LOD; concentrations were substituted with .