| 1 | Determination of organochlorine insecticides in oyster and marine sediment | 1286 |
| 2 | Determination of fecal coliform and Escherichia coli (E.coli) in marine environment | 1221 |
| 3 | Determination of dissolved inorganic nitrogen (DIN) in marine environment | 1135 |
| 4 | Determination of aliphatic and aromatic hydrocarbons in marine environment | 1077 |
| 5 | Determination of coral cover (coral lifeforms) in marine environment | 1070 |