No.

Date

Sampling points

Location points

1

mid-February

3

inlet, septic tank outlet, THF outlet, VHF outlet,

2

end of February

3

septic tank inlet, septic tank outlet, THF outlet, VHF outlet

3

mid-March

2

septic tank outlet, THF outlet, VHF outlet

4

mid-April

2

septic tank outlet, THF outlet, VHF outlet

5

mid-May

2

septic tank outlet, THF outlet, VHF outlet

6

mid-June

3

septic tank inlet, septic tank outlet, THF outlet, VHF outlet