|
序号 |
项目 |
淡水养殖 |
海水养殖 | ||
|
一级标准 |
二级标准 |
一级标准 |
二级标准 | ||
|
1 |
悬浮物质，mg/L |
≤50 |
≤100 |
≤40 |
≤100 |
|
2 |
PH |
6.0—9.0 |
6.0—9.0 |
7.0—8.5 |
6.5—9.0 |
|
3 |
化学需氧量（CODMn），mg/L |
≤15 |
≤25 |
≤10 |
≤20 |
|
4 |
生化需氧量（BOD5），mg/L |
≤10 |
≤15 |
≤6 |
≤10 |
|
5 |
锌，mg/L |
≤0.5 |
≤1.0 |
≤0.20 |
≤0.50 |
|
6 |
铜，mg/L |
≤0.1 |
≤0.2 |
≤0.10 |
≤0.20 |
|
7 |
总磷，mg/L |
≤0.5 |
≤1.0 |
— |
— |
|
8 |
总氮，mg/L |
≤3.0 |
≤5.0 |
— |
— |
|
9 |
无机氮，mg/L |
— |
— |
≤0.50 |
≤1.00 |
|
10 |
活性磷酸盐，mg/L |
— |
— |
≤0.05 |
≤0.10 |
|
11 |
硫化物，mg/L |
≤0.2 |
≤0.5 |
≤0.20 |
≤0.80 |
|
12 |
总余氯，mg/L |
≤0.1 |
≤0.2 |
≤0.10 |
≤0.20 |
