| 湘江乌龙嘴断面监测数据统计
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| 采样日期:2016.2.6
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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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Ⅲ类水质标准
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超标率 %
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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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13.2
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13.2
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13.2
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13.2
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13.2
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13.2
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/
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/
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/
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| 电导率
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ms/m
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26.3
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27.0
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28.3
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26.3
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28.3
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27.2
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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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6.32
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6.28
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6.36
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6.28
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6.36
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6.32
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6~9
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0.00
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Ⅰ
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| 溶解氧
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mg/L
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8.16
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6.59
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7.71
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6.59
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8.16
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7.49
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≥5
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0.00
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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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2.56
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2.72
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2.66
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2.56
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2.72
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2.65
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≤6
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0.00
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Ⅰ
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| 化学需氧量
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mg/L
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12.8
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13.3
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12.2
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12.2
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13.3
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12.8
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≤20
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0.00
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Ⅰ
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| 生化需氧量
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mg/L
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2.58
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2.66
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2.44
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2.44
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2.66
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2.56
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≤4
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0.00
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Ⅰ
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| 氨氮
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mg/L
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0.501
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0.489
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0.499
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0.489
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0.501
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0.496
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≤1.0
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0.00
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Ⅱ
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| 总磷
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mg/L
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0.094
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0.082
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0.088
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0.082
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0.094
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0.088
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≤0.2
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0.00
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Ⅱ
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| 总氮
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mg/L
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3.221
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3.359
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3.150
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3.150
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3.359
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3.243
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≤1.0
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/
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/
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| 铜
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mg/L
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0.001ND
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0.001ND
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0.001ND
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0.001ND
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0.001ND
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0.001ND
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≤1.0
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0.00
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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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≤1.0
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0.00
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Ⅰ
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| 氟化物
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mg/L
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0.15
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0.14
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0.15
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0.14
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0.15
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0.15
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≤1.0
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0.00
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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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≤0.01
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0.00
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Ⅰ
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| 砷
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mg/L
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0.0035
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0..0032
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0.0034
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0.0032
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0.0035
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0.0034
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≤0.05
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0.00
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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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≤0.0001
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0.00
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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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≤0.005
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0.00
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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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≤0.05
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0.00
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Ⅰ
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| 铅
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mg/L
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0.001ND
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0.001ND
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0.001ND
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0.001ND
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0.001ND
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0.001ND
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≤0.05
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0.00
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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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≤0.2
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0.00
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Ⅰ
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| 挥发酚
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mg/L
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0.0003ND
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0.0003ND
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0.0003ND
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0.0003ND
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0.0003ND
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0.0003ND
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≤0.005
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0.00
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Ⅰ
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| 石油类
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mg/L
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0.001ND
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0.001ND
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0.001ND
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0.001ND
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0.001ND
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0.001ND
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≤0.05
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0.00
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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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≤0.2
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0.00
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Ⅰ
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| 硫化物
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mg/L
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0.005ND
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0.005ND
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0.005ND
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0.005ND
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0.005ND
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0.005ND
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≤0.2
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0.00
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Ⅰ
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| 粪大肠菌群
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个/L
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3500
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2400
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3500
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2400
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3500
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3133
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≤10000
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0.00
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Ⅲ
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| 断面水 质级别
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良好
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主要 污染物
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/
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