Table 4.
Summary of Hg concentrations in human hair from Cambodia, Indonesia, Myanmar, the Philippines, and Thailand.
| Location | Sample Source | Number of Samples | THg Concentration (μg/g) | MeHg Concentration (μg/g) | Reference |
|---|---|---|---|---|---|
| Mekong River, Cambodia (near O Tron gold mine) | Tonle Srepok | 25 | 4.54 * | N.A. | [60] |
| Tonle Kong | 17 | 4.22 * | |||
| Mekong N. Stung Treng | 16 | 3.36 * | |||
| Mekong Kratie | 20 | 3.47 * | |||
| All males | 32 | 5.21 * | |||
| All females | 46 | 3.08 * | |||
| All adults | 59 | 4.01 * | |||
| All children (aged < 13 y) | 19 | 3.38 * | |||
| Women Ratanakirri (mine impacted) | 23 | 3.47 * | |||
| Women Mekong | 23 | 2.7 * | |||
| Lebaksitu, Lebak regency Java Island, Indonesia | ASGM area | 41 | 0.847–9.015 | 0.37–4.33 | [65] |
| Mandalay Region, Myanmar |
ASGM area (miners and nonminers) | 50 | 0.4–5.7 | N.A. | [21] |
| Acupan region, Benguet, the Philippines | ASGM area | 70 | 0–26.6 | N.A. | [68] |
| Nong Pra subdistrict, Wang Sai Poon district, Phichit Province, Thailand |
Gold miners | 79 | 1.17 ± 0.05 (mean ± SD) | N.A. | [69] |
| School children | 59 | 0.93 ± 0.01 (mean ± SD) |
N.A.; not analyzed, S.D; standard deviation, *; mean concentration.