Paragraph 2
(1)
Samples of leachate or surface water (if present) must be collected at representative points.
(2)
Sampling and measuring of the volume and composition of any leachate must be performed separately at each point at which leachate is discharged from the site.
(3)
Monitoring of surface water (if present) shall take place at at least two points, one upstream from the landfill and one downstream.
(4)
Gas monitoring must be carried out for each section of the landfill and representative samples must be collected and analysed in accordance with Table 1.
(5)
A representative sample of leachate and water shall be taken for monitoring purposes in accordance with Table 1.
TABLE 1
| Operational phase | After-care phase1 | |
|---|---|---|
| Leachate volume2 | Monthly1, 3 | Every six months |
| Leachate composition2, 4 | Quarterly1 | Every six months |
| Volume and composition of surface water5 | Quarterly1 | Every six months |
| Potential gas emissions and atmospheric pressure6 (CH4, CO2, O2, H2S, H2 etc) | Monthly1, 7 | Every six months8 |