湘江湾河断面监测数据统计(2020.4)
湘江湾河断面监测数据统计(2020.4) | |||||||||||
采样日期:2020.4.1 | |||||||||||
序号 | 监测 项目 | 单位 | 监测值 | Ⅲ类水质标准 | 单项水质类别 | 序号 | 监测 项目 | 单位 | 监测值 | Ⅲ类水质标准 | 单项水质类别 |
1 | 水温 | 摄氏度 | 9.3 | / | / | 33 | 四氯乙烯 | mg/L | 0.00025 | ≤0.04 | Ⅰ |
2 | pH | 无量纲 | 7.08 | 6~9 | Ⅰ | 34 | 苯乙烯 | mg/L | 0.005ND | ≤0.02 | Ⅰ |
3 | 溶解氧 | mg/L | 5.44 | ≥5 | Ⅲ | 35 | 甲醛 | mg/L | 0.05ND | ≤0.9 | Ⅰ |
4 | 高锰酸盐指数 | mg/L | 1.76 | ≤6 | Ⅰ | 36 | 苯 | mg/L | 0.005ND | ≤0.01 | Ⅰ |
5 | 化学需氧量 | mg/L | 16 | ≤20 | Ⅲ | 37 | 甲苯 | mg/L | 0.005ND | ≤0.7 | Ⅰ |
6 | 生化需氧量 | mg/L | 3.6 | ≤4 | Ⅲ | 38 | 乙苯 | mg/L | 0.005ND | ≤0.3 | Ⅰ |
7 | 氨氮 | mg/L | 0.080 | ≤1.0 | Ⅰ | 39 | 二甲苯 | mg/L | 0.005ND | ≤0.5 | Ⅰ |
8 | 总磷 | mg/L | 0.08 | ≤0.2 | Ⅱ | 40 | 异丙苯 | mg/L | 0.005ND | ≤0.25 | Ⅰ |
9 | 总氮 | mg/L | 1.45 | ≤1.0 | / | 41 | 氯苯 | mg/L | 0.012ND | ≤0.3 | Ⅰ |
10 | 铜 | mg/L | 0.001ND | ≤1.0 | Ⅰ | 42 | 1,2-二氯苯 | mg/L | 0.00029ND | ≤1.0 | Ⅰ |
11 | 锌 | mg/L | 0.05ND | ≤1.0 | Ⅰ | 43 | 1,4-二氯苯 | mg/L | 0.00023ND | ≤0.3 | Ⅰ |
12 | 氟化物 | mg/L | 0.32 | ≤1.0 | Ⅰ | 44 | 三氯苯 | mg/L | 0.00008ND | ≤0.02 | Ⅰ |
13 | 硒 | mg/L | 0.003ND | ≤0.01 | Ⅰ | 45 | 二硝基苯 | mg/L | 0.000019ND | ≤0.5 | Ⅰ |
14 | 砷 | mg/L | 0.007ND | ≤0.05 | Ⅰ | 46 | 硝基氯苯 | mg/L | 0.000017ND | ≤0.05 | Ⅰ |
15 | 汞 | mg/L | 0.00004ND | ≤0.0001 | Ⅰ | 47 | 硝基苯 | mg/L | 0.00017ND | ≤0.017 | Ⅰ |
16 | 镉 | mg/L | 0.001ND | ≤0.005 | Ⅰ | 48 | 邻苯二甲酸二丁酯 | mg/L | 0.0001ND | ≤0.003 | Ⅰ |
17 | 六价铬 | mg/L | 0.004ND | ≤0.05 | Ⅰ | 49 | 邻苯二甲酸二(2-乙基已基)酯 | mg/L | 0.002ND | ≤0.008 | Ⅰ |
18 | 铅 | mg/L | 0.01ND | ≤0.05 | Ⅰ | 50 | 滴滴涕 | mg/L | 0.0002ND | ≤0.001 | Ⅰ |
19 | 氰化物 | mg/L | 0.004ND | ≤0.2 | Ⅰ | 51 | 林丹 | mg/L | 0.000004ND | ≤0.002 | Ⅰ |
20 | 挥发酚 | mg/L | 0.0003ND | ≤0.005 | Ⅰ | 52 | 阿特拉津 | mg/L | 0.0005ND | ≤0.003 | Ⅰ |
21 | 石油类 | mg/L | 0.01ND | ≤0.05 | Ⅰ | 53 | 苯并[α]芘 | mg/L | 1.4×10-6L | ≤2.8×10-6 | Ⅰ |
22 | 阴离子表面活性剂 | mg/L | 0.05ND | ≤0.2 | Ⅰ | 54 | 钼 | mg/L | 0.0006ND | ≤0.07 | Ⅰ |
23 | 硫化物 | mg/L | 0.005ND | ≤0.2 | Ⅰ | 55 | 钴 | mg/L | 0.009ND | ≤1.0 | Ⅰ |
24 | 粪大肠菌群 | 个/L | 727 | ≤10000 | Ⅱ | 56 | 铍 | mg/L | 0.00002ND | ≤0.002 | Ⅰ |
25 | 硫酸盐 | mg/L | 22 | ≤250 | Ⅰ | 57 | 硼 | mg/L | 0.02ND | ≤0.5 | Ⅰ |
26 | 氯化物 | mg/L | 11.9 | ≤250 | Ⅰ | 58 | 锑 | mg/L | 0.001ND | ≤0.005 | Ⅰ |
27 | 硝酸盐 | mg/L | 1.17 | ≤10 | Ⅰ | 59 | 镍 | mg/L | 0.005ND | ≤0.02 | Ⅰ |
28 | 铁 | mg/L | 0.12 | ≤0.3 | Ⅰ | 60 | 钡 | mg/L | 0.0025ND | ≤0.7 | Ⅰ |
29 | 锰 | mg/L | 0.01ND | ≤0.1 | Ⅰ | 61 | 钒 | mg/L | 0.00008ND | ≤0.05 | Ⅰ |
30 | 三氯甲烷 | mg/L | 0.00002ND | ≤0.06 | Ⅰ | 62 | 铊 | mg/L | 0.00002ND | ≤0.0001 | Ⅰ |
31 | 四氯化碳 | mg/L | 0.00003ND | ≤0.002 | Ⅰ | 63 | 电导率 | us/cm | 190 | / | Ⅰ |
32 | 三氯乙烯 | mg/L | 0.00002ND | ≤0.07 | Ⅰ | ||||||
断面水质类别 | Ⅲ | 主要污染物 | / | ||||||||