湘江乌龙嘴断面监测数据统计（8月）
| 湘江乌龙嘴断面监测数据统计
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| 采样日期:2016.8.1
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| 监测项目
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单位
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采样位置
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最低值
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最高值
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平均值
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超标率(%)
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检测下限
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单项水质类别
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| 左
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中
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右
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| 水温
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摄氏度
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34
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34
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34
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34
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34
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34
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/
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/
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/
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| 流量
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m3/s
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/
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/
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/
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/
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/
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/
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/
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/
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/
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| 电导率
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μS/cm
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175
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165
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155
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155
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175
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165
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/
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/
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/
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| pH
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无量纲
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6.74
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6.78
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6.81
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6.74
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6.81
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6.78
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0.00
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/
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Ⅰ
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| 溶解氧
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mg/L
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5.43
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5.38
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5.63
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5.38
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5.63
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5.48
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0.00
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0.2
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Ⅰ
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| 高锰酸盐指数
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mg/L
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3.27
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3.43
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3.93
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3.27
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3.93
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3.54
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0.00
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0.5
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Ⅱ
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| 化学需氧量
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mg/L
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10.2
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9.5
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9.02
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9.02
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10.2
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9.57
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0.00
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5
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Ⅰ
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| 生化需氧量
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mg/L
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2.04
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1.90
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1.80
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1.80
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2.04
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1.91
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0.00
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0.5
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Ⅰ
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| 氨氮
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mg/L
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0.582
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0.574
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0.580
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0.574
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0.582
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0.579
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0.00
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0.025
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Ⅲ
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| 总氮
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mg/L
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2.58
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2.56
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2.37
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2.37
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2.58
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2.50
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/
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0.05
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/
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| 总磷
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mg/L
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0.099
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0.094
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0.105
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0.094
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0.105
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0.099
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0.00
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0.01
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Ⅱ
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| 铜
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mg/L
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0.005
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0.003
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0.002
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0.002
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0.005
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0.003
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0.00
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0.01
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Ⅰ
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| 锌
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mg/L
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0.01ND
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0.01ND
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0.01ND
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0.01ND
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0.01ND
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0.01ND
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0.00
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0.01
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Ⅰ
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| 氟化物
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mg/L
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0.19
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0.2
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0.2
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0.19
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0.2
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0.2
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0.00
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0.05
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Ⅰ
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| 砷
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mg/L
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0.0024
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0.0023
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0.0023
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0.0023
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0.0024
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0.0023
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0.00
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0.0002
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Ⅰ
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| 硒
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mg/L
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0.0004ND
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0.0004ND
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0.0004ND
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0.0004ND
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0.0004ND
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0.0004ND
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0.00
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0.0005
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Ⅰ
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| 汞
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mg/L
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0.00004ND
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0.00004ND
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0.00004ND
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0.00004ND
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0.00004ND
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0.00004ND
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0.00
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0.00002
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Ⅰ
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| 镉
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mg/L
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0.0001ND
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0.0001ND
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0.0001ND
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0.0001ND
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0.0001ND
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0.0001ND
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0.00
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0.0001
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Ⅰ
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| 六价铬
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mg/L
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0.004ND
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0.004ND
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0.004ND
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0.004ND
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0.004ND
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0.004ND
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0.00
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0.004
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Ⅰ
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| 铅
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mg/L
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0.002
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0.001
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0.001
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0.001
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0.002
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0.001
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0.00
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0.003
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Ⅰ
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| 氰化物
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mg/L
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0.004ND
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0.004ND
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0.004ND
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0.004ND
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0.004ND
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0.004ND
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0.00
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0.004
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Ⅰ
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| 挥发酚
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mg/L
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0.002ND
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0.002ND
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0.002ND
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0.002ND
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0.002ND
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0.002ND
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0.00
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0.002
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Ⅰ
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| 石油类
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mg/L
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0.04ND
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0.04ND
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0.04ND
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0.04ND
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0.04ND
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0.04ND
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0.00
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0.04
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Ⅰ
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| 阴离子表面活性剂
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mg/L
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0.05ND
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0.05ND
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0.05ND
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0.05ND
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0.05ND
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0.05ND
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0.00
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0.05
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Ⅰ
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| 硫化物
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mg/L
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0.02ND
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0.02ND
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0.02ND
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0.02ND
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0.02ND
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0.02ND
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0.00
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0.02
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Ⅰ
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| 粪大肠菌群
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个/L
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2300
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4600
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3400
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2300
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4600
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3433
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0.00
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/
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Ⅲ
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| 断面水 质级别
|
良
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主要污染物
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/
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