甘新城市大气挥发性有机物和颗粒物的污染特征及健康风险评估

周茜, 李忠勤, 牟翠翠, 王飞腾, 李开明, 尤晓妮, 张昕, 王芳龙

Pollution characteristics and health risk assessment of atmospheric volatile organic compounds and particulate matter in Gansu-Xinjiang cities

Xi ZHOU, Zhongqin LI, Cuicui MU, Feiteng WANG, Kaiming LI, Xiaoni YOU, Xin ZHANG, Fanglong WANG

表8 甘新城市PM10中重金属的非致癌风险和致癌风险评估

Table 8 Non-carcinogenic risk and carcinogenic risk assessment of heavy metals in PM10 in Gansu-Xinjiang cities

非致癌风险 武威 张掖 酒泉 敦煌 平均 Mn 2.37 1.09 2.18 2.91 2.14 Zn 2.59×10-4 1.73×10-4 2.68×10-4 2.59×10-4 2.40×10-4 Cu 1.94×10-4 5.83×10-4 5.18×10-4 2.59×10-4 3.88×10-4 Pb 5.91×10-3 6.65×10-3 1.77×10-2 1.11×10-2 1.04×10-2 Cd 1.36×10-4 4.53×10-5 4.53×10-5 1.36×10-4 2.02×10-3 As 4.32×10-2 4.32×10-2 6.05×10-2 7.78×10-2 5.62×10-2 Cr 2.73×10-1 9.10×10-2 9.10×10-2 2.73×10-1 1.82×10-1 Ni 2.53×10-4 1.26×10-4 1.26×10-4 1.26×10-4 1.58×10-4 HI值 2.69 1.24 2.36 3.28 2.39 致癌风险 武威 张掖 酒泉 敦煌 平均 Cd 6.80×10-7 6.80×10-6 6.80×10-6 6.80×10-6 6.80×10-6 As 8.15×10-5 8.15×10-5 1.14×10-4 1.47×10-4 1.14×10-4 Cr 1.36×10-4 4.53×10-5 4.53×10-5 1.36×10-4 9.07×10-5 Ni 1.81×10-6 9.07×10-7 9.07×10-7 9.07×10-7 9.07×10-7 LCR值 2.20×10-4 1.35×10-4 1.67×10-4 2.90×10-4 2.12×10-4