绿色食品产地评价——以京津冀永清地区为例
胡庆海, 王学求, 田密, 吴慧, 柳青青, 李俊华, 盘炜, 王丽君

Assessment of green food production areas: A case study of the Yongqing area in the Beijing-Tianjin-Hebei region
HU Qing-Hai, WANG Xue-Qiu, TIAN Mi, WU Hui, LIU Qing-Qing, LI Jun-Hua, PAN Wei, WANG Li-Jun
表2 绿色食品产地环境质量要求和农用地土壤污染风险管制值
Table 2 Environmental quality requirement of green food production area and risk control values for soil pollution of agricultural land
绿色食品产地环境质量要求 As Cd Cr Cu Hg Ni Pb Zn
pH<6.5 25 0.3 120 50 0.25 50
6.5≤pH≤7.5 20 0.3 120 60 0.3 50
pH>7.5 20 0.4 120 60 0.35 50
农用地土壤污染风险管制值 As Cd Cr Cu Hg Ni Pb Zn
pH≤5.5 200 1.5 800 250* 2.0 300* 400 1000*
5.5<pH≤6.5 150 2.0 850 250* 2.5 350* 500 1000*
6.5<pH≤7.5 120 3.0 1000 500* 4.0 500* 700 1250*
pH>7.5 100 4.0 1300 500* 6.0 950* 1000 1500*