Research Article
An Exposure Assessment of Arsenic and Other Trace Elements in Ha Nam Province, Northern Vietnam
Table 1
Information on groundwater and human samples analyzed in this study.
| Sample | Groundwater | Hair | Urine | Blood |
| Sample number | 21 unfiltered water 21 filtered or rain water | 35 | 29 | 29 | Water utilization time (year) | 16 (10–26) | | | | Age (year) | | 44 (23–70) | 44 (23–70) | 44 (23–70) |
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