Table 4 Malaysian marine water quality standard (MMWQS)
Parameter (μg/l) unless otherwise stated | Class 1 | Class 2 | Class 3 | Interim class E1 | Interim class E2 | Interim class E3 |
|---|---|---|---|---|---|---|
Estuaries | ||||||
Dissolved oxygen | > 6.0 | > 5.0 | > 3.0 | > 5.0 | ||
Faecal coliform (Cfu/100 ml) | 70 | |||||
Ammonia | 35.0 | 50.0 | 320.0 | 5.0 | 10.0 | 10.0 |
Nitrate | 10.0 | 60.0 | 700.0 | 200.0 | 570.0 | 430.0 |
Phosphate | 5.0 | 75.0 | 670.0 | 100.0 | 180 | |
Total suspended solids | 25.0 | 50.0 | 100.0 | 30.0 |