土壤—农作物系统中重金属元素地球化学特征及健康风险评价
|
|
王志强, 倪萍, 张宏绪, 石天池, 杨建锋, 张惠玲
|
Geochemical characteristics and health risk assessment of heavy metals in soil-crop systems
|
|
WANG Zhi-Qiang, NI Ping, ZHANG Hong-Xu, SHI Tian-Chi, YANG Jian-Feng, ZHANG Hui-Ling
|
|
表12 根系土重金属不同暴露途径的暴露剂量
|
Table 12 Exposure dose of heavy metals in root soil by different exposure routes
|
|
| 暴露人群 | 摄入方式 | 暴露剂量 | | Cr | Cd | Hg | As | Pb | | 儿童 | 手口摄入 | 7.58×10-7 | 9.32×10-7 | 5.41×10-7 | 8.53×10-7 | 9.40×10-7 | | 呼吸摄入 | 2.09×10-17 | 2.57×10-17 | 1.49×10-17 | 2.35×10-17 | 2.59×10-17 | | 皮肤摄入 | 2.12×10-9 | 2.61×10-9 | 1.52×10-9 | 2.38×10-9 | 2.63×10-9 | | 成人 | 手口摄入 | 4.42×10-7 | 5.43×10-7 | 3.16×10-7 | 4.97×10-7 | 5.48×10-7 | | 呼吸摄入 | 4.71×10-17 | 5.79×10-17 | 3.37×10-17 | 5.30×10-17 | 5.85×10-17 | | 皮肤摄入 | 1.76×10-9 | 2.17×10-9 | 1.26×10-9 | 1.98×10-9 | 2.18×10-9 |
|
|
|