Table 1.
Organochlorine pesticide concentrations (pg/g-lipid) in three types of tissue.
| Organochlorine pesticide, tissue | Detectiona (%) | Mean ± SD | Minimum | 25th percentile | Median | 75th percentile | Maximum |
|---|---|---|---|---|---|---|---|
| HCB | |||||||
| MS | 100 | 15,500 ± 6,220 | 3,600 | 10,000 | 16,000 | 17,800 | 31,000 |
| CS | 100 | 10,900 ± 3,680** | 5,200 | 8,800 | 11,000 | 12,000 | 18,000 |
| UC | 95 | 17,700 ± 6,360## | ND | 16,000 | 18,000 | 20,000 | 28,000 |
| HCHs | |||||||
| MS | 100 | 27,400 ± 10,630 | 13,000 | 22,000 | 26,000 | 30,000 | 55,000 |
| CS | 100 | 33,800 ± 19,300 | 12,000 | 24,000 | 28,000 | 39,000 | 100,000 |
| UC | 100 | 36,200 ± 14,920** | 18,000 | 26,000 | 30,000 | 45,000 | 69,000 |
| p,p′-DDT | |||||||
| MS | 80 | 3,380 ± 3,240 | ND | 1,000 | 2,400 | 5,100 | 11,000 |
| CS | 0 | — | — | — | — | — | |
| UC | 50 | 5,550 ± 7,160** | ND | ND | 1,100 | 9,300 | 19,000 |
| o,p′-DDT | |||||||
| MS | 15 | 38 ± 104 | ND | ND | ND | ND | 340 |
| CS | 0 | — | — | — | — | — | — |
| UC | 0 | — | — | — | — | — | — |
| p,p′-DDE | |||||||
| MS | 100 | 89,700 ± 33,600 | 19,000 | 71,000 | 93,000 | 110,000 | 150,000 |
| CS | 100 | 33,000 ± 16,500** | 14,000 | 22,000 | 28,000 | 42,000 | 75,000 |
| UC | 100 | 79,600 ± 26,200## | 29,000 | 64,000 | 78,000 | 90,000 | 140,000 |
| p,p′-DDD | |||||||
| MS | 85 | 766 ± 982 | ND | 200 | 360 | 950 | 3,800 |
| CS | 0 | — | — | — | — | — | |
| UC | 15 | 215 ± 527 | ND | ND | ND | ND | 1,600 |
| cis-Chlordane | |||||||
| MS | 100 | 240 ± 165 | 63 | 110 | 200 | 330 | 660 |
| CS | 0 | — | — | — | — | — | |
| UC | 70 | 1,220 ± 1,230** | ND | ND | 1,200 | 1,700 | 4,400 |
| trans-Chlordane | |||||||
| MS | 95 | 320 ± 257 | ND | 160 | 240 | 430 | 1,200 |
| CS | 20 | 198 ± 449 | ND | ND | ND | ND | 1,400 |
| UC | 55 | 644 ± 848** | ND | ND | 290 | 1,200 | 3,000 |
| Oxychlordane | |||||||
| MS | 85 | 2,640 ± 4,160 | ND | 620 | 1,200 | 3,900 | 19,000 |
| CS | 40 | 978 ± 1,630 | ND | ND | ND | 1,600 | 6,300 |
| UC | 60 | 2,120 ± 2,100 | ND | ND | 1,900 | 3,700 | 6,100 |
| trans-Nonachlor | |||||||
| MS | 100 | 7,230 ± 2,840 | 2,000 | 5,600 | 7,000 | 9,000 | 14,000 |
| CS | 80 | 3,780 ± 6,470 | ND | 1,400 | 1,900 | 3,800 | 30,000 |
| UC | 100 | 7,660 ± 2,580 | 2,500 | 6,200 | 6,700 | 8,300 | 14,000 |
| Dieldrin | |||||||
| MS | 70 | 495 ± 454 | ND | ND | 440 | 770 | 1,600 |
| CS | 0 | — | — | — | — | — | — |
| UC | 45 | 1,970 ± 3,170* | ND | ND | ND | 2,200 | 9,600 |
| Endosulfan | |||||||
| MS | 90 | 380 ± 267 | ND | 280 | 340 | 460 | 1,100 |
| CS | 0 | — | — | — | — | — | — |
| UC | 70 | 2,090 ± 2,440** | ND | ND | 1,600 | 2,900 | 9,400 |
| Heptachlor | |||||||
| MS | 25 | 150 ± 272 | ND | ND | ND | 100 | 700 |
| CS | 0 | — | — | — | — | — | |
| UC | 10 | 505 ± 1,620 | ND | ND | ND | ND | 6,500 |
| Heptachlor epoxide | |||||||
| MS | 100 | 142 ± 729 | 310 | 950 | 1,200 | 1,700 | 3,000 |
| CS | 95 | 1,580 ± 844 | ND | 1,100 | 1,500 | 1,900 | 3,400 |
| UC | 100 | 2,790 ± 1,280**,## | 160 | 2,000 | 2,700 | 3,500 | 6,000 |
ND, not detected.
a
Detection rate is shown as a percentage (n = 20).
*
p < 0.05 and
**
p < 0.001 compared with MS.
##
p < 0.001 compared with CS.