Table 1.
Sampling locations and depths of excavation at urban dumpsite.
| Zone/Age of deposition of waste | Location/Sampling point (UD) | Location/Sampling point (STD) | Depth of excavation/m | Code (UD) | Code (STD) | Waste/kg |
|---|---|---|---|---|---|---|
| Zone A ( > 5 years) | N 07O 18.5011 W 02O 19.4781 Elevation 277 m |
N 07O 24.3311 W 02O 27.4541 Elevation 332 m |
SW (0) | SMZA1 | NZA1 | 50.0 |
| 0.5 | SMZA2 | NZA2 | 50.0 | |||
| 1.0 | SMZA3 | NZA3 | 50.0 | |||
| 1.5 | SMZA4 | NZA4 | 50.0 | |||
| Zone B (2–4 years) | N 07O 18.6481 W 02O 19.561 Elevation 727 m |
N 07O 24.3351 W 02O 27.4451 Elevation 333 m |
SW (0) | SMZB1 | NZB1 | 50.0 |
| 0.5 | SMZB2 | NZB2 | 50.0 | |||
| 1.0 | SMZB3 | NZB3 | 50.0 | |||
| 1.5 | SMZB4 | NZB4 | 50.0 | |||
| Zone C ( < 6 months) | N 07O 18.6991 W 02O 19.5921 Elevation 281 m |
N 07O 24.3391 W 02O 27.4611 Elevation 332 m |
SW (0) | SMZC1 | NZC1 | 50.0 |
| 0.5 | SMZC2 | NZC2 | 50.0 | |||
| 1.0 | SMZC3 | NZC3 | 50.0 | |||
| 1.5 | SNZC4 | NZC4 | 50.0 |
SW = surface waste, UD = urban dumpsite, STD = small town dumpsite.