Table 2.
Arsenic species in urine (μg/l) from 343 participants from southeastern Michigan.
Arsenic | G mean | Aa mean | Range | 25th | 75th | 95th |
---|---|---|---|---|---|---|
Urinary As[III] | 0.14 | 0.29 | <0.11–3.40 | <0.11 | 0.35 | 1.1 |
Urinary As[V] | 0.12 | 0.19 | <0.15–2.14 | <0.15 | <0.15 | 0.82 |
Urinary MMA[V] | 0.56 | 1.09 | <0.12–18.0 | 0.35 | 1.21 | 3.7 |
Urinary DMA[V] | 3.81 | 5.53 | <0.08–74.0 | 2.22 | 6.85 | 15.4 |
Urinary AsB | 4.43 | 13.3 | <0.06–257.0 | 1.79 | 10.32 | 47.1 |
TotAs | 11.54 | 20.4 | <0.07–331.2 | 5.83 | 21.40 | 61.7 |
SumAs | 5.01 | 7.10 | 0.22–74.2 | 3.00 | 8.48 | 20.4 |
Abbreviations: G mean, geometric mean; A mean, arithmetic mean; TotAs, sum of As[III], As[V], MMA[V], DMA[V] and AsB; SumAs, sum of As[III], As[V], MMA[V] and DMA[V].
Detection limits for arsenic species: As[III], 0.11 μg/l; As[V], 0.15 μg/l; MMA[V], 0.12 μg/l; DMA[V], 0.08 μg/l; AsB, 0.06 μg/l; and TotAs, 0.07 μg/l.