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["广州市番禺区2021年国控重金属重点监控企业（废气）监督性监测数据表（第一季度）"]
["行政区","企业名单","评价标准","监测日期","监测点位名称","监测结果（mg/m3）"]
[{"$nulls":5},"必测指标",{"$nulls":5},"选测项目"]
[{"$nulls":5},"铅","汞","镉","铬酸雾","砷","达标评价","镍","铜","锌","锡","达标评价"]
["番禺区","广州市番禺石基文边五金综合厂","《电镀污染物排放标准》（GB 21900-2008）表5标准+《大气污染物排放限值》（DB44/27-2001）第一时段二级标准",20210309,"厂界上风向1#","ND(0.000003)","ND(0.0000066)","ND(0.000004)","ND(0.0005)","ND(0.000005)","/","/","/","/","/","/"]
[{"$nulls":4},"厂界下风向2#","ND(0.000003)",{"v":3.87e-5,"d":"0.0000387"},{"v":3e-5,"d":"0.000030"},"ND(0.0005)",0.000318,"达标","/","/","/","/","/"]
[{"$nulls":4},"厂界下风向3#","ND(0.000003)","ND(0.0000066)","ND(0.000004)","ND(0.0005)",{"v":1.1e-5,"d":"0.000011"},"达标","/","/","/","/","/"]
[{"$nulls":3},"标准限值",null,0.0075,0.0015,{"v":0.05,"d":"0.050"},0.0075,0.015,"/","/","/","/","/","/"]
[{"$nulls":3},20210309,"镀车间废气处理后排放口（FQ-00008-02）","ND(0.002)","ND(0.0025)","ND(0.0008)","ND(0.005)","ND(0.0009)","达标","/","/","/","/","/"]
[{"$nulls":3},"标准限值",null,{"v":0.7,"d":"0.70"},{"v":0.01,"d":"0.010"},0.85,{"v":0.05,"d":"0.050"},{"v":2,"d":"2.0"},"/","/","/","/","/","/"]
["番禺区","广州市番禺区胜美达旧水坑电子厂","《电镀污染物排放标准》（GB 21900-2008）表5标准+《大气污染物排放限值》（DB44/27-2001）第一时段二级标准",20210308,"厂界上风向1#","ND(0.000003)",{"v":3.02e-5,"d":"0.0000302"},"ND(0.000004)","ND(0.0005)","ND(0.000005)","/","/","/","/","/","/"]
[{"$nulls":4},"厂界下风向2#",{"v":9.7e-5,"d":"0.000097"},{"v":7.92e-5,"d":"0.0000792"},{"v":5e-6,"d":"0.000005"},"ND(0.0005)","ND(0.000005)","达标","/","/","/","/","/"]
[{"$nulls":4},"厂界下风向3#",{"v":6.5e-5,"d":"0.000065"},{"v":3.7e-5,"d":"0.0000370"},"ND(0.000004)","ND(0.0005)","ND(0.000005)","达标","/","/","/","/","/"]
[{"$nulls":3},"标准限值",null,0.0075,0.0015,{"v":0.05,"d":"0.050"},0.0075,0.015,"/","/","/","/","/","/"]
["番禺区","番禺启利达电子有限公司","《电镀污染物排放标准》（GB 21900-2008）表5标准+《大气污染物排放限值》（DB44/27-2001）第一时段二级标准",20210302,"厂界上风向1#","ND(0.000003)",{"v":3.01e-5,"d":"0.0000301"},"ND(0.000004)","ND(0.0005)","ND(0.000005)","/","/","/","/","/","/"]
[{"$nulls":4},"厂界下风向2#","ND(0.000003)",{"v":8.9e-5,"d":"0.0000890"},"ND(0.000004)","ND(0.0005)","ND(0.000005)","达标","/","/","/","/","/"]
[{"$nulls":4},"厂界下风向3#","ND(0.000003)",{"v":0.000118,"d":"0.0001180"},"ND(0.000004)","ND(0.0005)","ND(0.000005)","达标","/","/","/","/","/"]
[{"$nulls":3},"标准限值",null,0.0075,0.0015,{"v":0.05,"d":"0.050"},0.0075,0.015,"/","/","/","/","/","/"]
["番禺区","广州市番祥五金电镀有限公司","《电镀污染物排放标准》（GB 21900-2008）表5标准+《大气污染物排放限值》（DB44/27-2001）第一时段二级标准",20210308,"厂界上风向1#","ND(0.000003)",{"v":7.5e-6,"d":"0.0000075"},"ND(0.000004)","ND(0.0005)","ND(0.000005)","/","/","/","/","/","/"]
[{"$nulls":4},"厂界下风向2#",{"v":6.2e-5,"d":"0.000062"},{"v":3.67e-5,"d":"0.0000367"},"ND(0.000004)","ND(0.0005)","ND(0.000005)","达标","/","/","/","/","/"]
[{"$nulls":4},"厂界下风向3#",0.000106,{"v":4.55e-5,"d":"0.0000455"},"ND(0.000004)","ND(0.0005)","ND(0.000005)","达标","/","/","/","/","/"]
[{"$nulls":3},"标准限值",null,0.0075,0.0015,{"v":0.05,"d":"0.050"},0.0075,0.015,"/","/","/","/","/","/"]
["番禺区","广州市曾本五金工业有限公司","《电镀污染物排放标准》（GB 21900-2008）表5标准+《大气污染物排放限值》（DB44/27-2001）第一时段二级标准",20210308,"厂界上风向1#","ND(0.000003)",{"v":3.19e-5,"d":"0.0000319"},"ND(0.000004)","ND(0.0005)","ND(0.000005)","/","/","/","/","/","/"]
[{"$nulls":4},"厂界下风向2#",0.000238,{"v":3.42e-5,"d":"0.0000342"},"ND(0.000004)","ND(0.0005)","ND(0.000005)","达标","/","/","/","/","/"]
[{"$nulls":4},"厂界下风向3#",{"v":8.6e-5,"d":"0.000086"},{"v":5e-5,"d":"0.0000500"},"ND(0.000004)","ND(0.0005)","ND(0.000005)","达标","/","/","/","/","/"]
[{"$nulls":3},"标准限值",null,0.0075,0.0015,{"v":0.05,"d":"0.050"},0.0075,0.015,"/","/","/","/","/","/"]
["番禺区","广州海鸥住宅工业股份有限公司","《电镀污染物排放标准》（GB 21900-2008）表5标准+《大气污染物排放限值》（DB44/27-2001）第一时段二级标准","20210226～20210227","铸造粉尘处理后排放口（FQ-10）","ND(0.002)","ND(0.0025)","ND(0.0008)","ND(0.005)","ND(0.0009)","达标","/","/","/","/","/"]
[{"$nulls":4},"铸造粉尘处理后排放口（FQ-11）","ND(0.002)","ND(0.0025)","ND(0.0008)","ND(0.005)","ND(0.0009)","达标","/","/","/","/","/"]
[{"$nulls":4},"铸造粉尘处理后排放口（FQ-12）",0.003,"ND(0.0025)","ND(0.0008)","ND(0.005)","ND(0.0009)","达标","/","/","/","/","/"]
[{"$nulls":4},"铸造粉尘处理后排放口（FQ-13）","ND(0.002)","ND(0.0025)","ND(0.0008)","ND(0.005)","ND(0.0009)","达标","/","/","/","/","/"]
[{"$nulls":4},"抛磨粉尘处理后排放口（FQ-01）",0.006,"ND(0.0025)","ND(0.0008)","ND(0.005)","ND(0.0009)","达标","/","/","/","/","/"]
[{"$nulls":4},"抛磨粉尘处理后排放口（FQ-02）","ND(0.002)","ND(0.0025)","ND(0.0008)","ND(0.005)","ND(0.0009)","达标","/","/","/","/","/"]
[{"$nulls":4},"抛磨粉尘处理后排放口（FQ-03）",0.003,"ND(0.0025)","ND(0.0008)","ND(0.005)","ND(0.0009)","达标","/","/","/","/","/"]
[{"$nulls":4},"抛磨粉尘处理后排放口（FQ-04）","ND(0.002)",0.0065,"ND(0.0008)","ND(0.005)","ND(0.0009)","达标","/","/","/","/","/"]
[{"$nulls":3},"标准限值",null,{"v":0.7,"d":"0.70"},{"v":0.01,"d":"0.010"},0.85,{"v":0.05,"d":"0.050"},{"v":2,"d":"2.0"},"/","/","/","/","/","/"]
[{"$nulls":3},20210226,"厂界上风向1#","ND(0.000003)",{"v":4.61e-5,"d":"0.0000461"},"ND(0.000004)","ND(0.0005)","ND(0.000005)","/","/","/","/","/","/"]
[{"$nulls":4},"厂界下风向2#","ND(0.000003)",{"v":0.000108,"d":"0.0001080"},"ND(0.000004)","ND(0.0005)","ND(0.000005)","达标","/","/","/","/","/"]
[{"$nulls":4},"厂界下风向3#","ND(0.000003)",{"v":0.0001,"d":"0.0001000"},"ND(0.000004)","ND(0.0005)","ND(0.000005)","达标","/","/","/","/","/"]
[{"$nulls":3},"标准限值",null,0.0075,0.0015,{"v":0.05,"d":"0.050"},0.0075,0.015,"/","/","/","/","/","/"]
["备注：表中有“ND”表示未检出，括号中数值为该项目检出限。"]