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