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9 甘新城市PM2.5中重金属的非致癌风险和致癌风险评估

Table 9 Non-carcinogenic risk and carcinogenic risk assessment of heavy metals in PM2.5 in Gansu-Xinjiang cities

非致癌风险 武威 张掖 酒泉 敦煌 平均 Mn 1.27 1.27 1.82 2.00 1.59 Zn 2.25×10-4 2.51×10-4 2.25×10-4 2.42×10-4 2.36×10-4 Cu 4.53×10-4 1.94×10-4 3.24×10-4 3.88×10-4 3.40×10-4 Pb 5.91×10-3 8.13×10-3 6.65×10-3 9.61×10-3 7.58×10-3 Cd 2.60×10-3 2.60×10-4 2.60×10-3 2.60×10-3 2.02×10-3 As 3.46×10-2 3.46×10-2 4.32×10-2 6.92×10-2 4.54×10-2 Cr 2.73×10-1 9.10×10-2 9.10×10-2 1.82×10-1 1.59×10-1 Ni 2.53×10-4 1.26×10-4 1.26×10-4 1.26×10-4 1.58×10-4 HI值 1.59 1.41 1.96 2.27 1.81 致癌风险 武威 张掖 酒泉 敦煌 平均 Cd 6.80×10-6 6.80×10-7 6.80×10-6 6.80×10-6 6.80×10-6 As 6.52×10-5 6.52×10-5 8.15×10-5 1.30×10-4 8.15×10-5 Cr 1.36×10-4 4.53×10-5 4.53×10-5 9.07×10-5 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 2.10×10-4 1.12×10-4 1.35×10-4 2.29×10-4 1.80×10-4