Table 1.
GMs and selected percentiles of TBB and TBPH in household dust and handwipes and of TBBA in urine samples from North Carolina adults contributing paired samples (n = 53).
| Matrix and compound | n | Percent detects | GM | Perentile | Maximum | ||
|---|---|---|---|---|---|---|---|
| 25th | 50th | 75th | |||||
| Dusta | |||||||
| TBB (ng/g) | 49 | 93.9 | 315.1 | 159.1 | 275.5 | 487.0 | 18148.7 |
| TBPH (ng/g) | 49 | 93.9 | 364.7 | 165.7 | 473.8 | 860.6 | 4814.2 |
| Handwipes | |||||||
| TBB (ng) | 53 | 92.5 | 31.4 | 14.8 | 26.9 | 55.5 | 2633.1 |
| TBPH (ng) | 53 | 98.1 | 23.4 | 9.9 | 23.0 | 40.8 | 655.1 |
| SG-corrected urinea | |||||||
| TBBA (pg/mL) | 52 | 76.9 | 5.6 | 2.3 | 5.3 | 10.8 | 340.6 |
| aInsufficient sample volume for 4 dust samples and 1 urine sample. | |||||||