Table 3. Physico-chemical properties of the contaminated soil sample.
| S. no. | Parameter | Unit | Test method | Test result |
|---|---|---|---|---|
| 1 | Physical state | — | — | Solid |
| 2 | Colour | — | — | Grey |
| 3 | Texture | — | — | Dried lumps |
| 4 | pH | — | USEPA 1998 SW-846; 9045 C | 10.36 |
| 5 | Bulk density | g cm−3 | ASTM D 5057-90 | 8.2 |
| 6 | Calorific value | cal g−1 | IS 1350-2000 | 150 |
| 7 | Flash point | °C | USEPA 1998, SW-846; 1020 A | >60 |
| 8 | Moisture content | % | IS 326 (Part 21):2001 | 13.12 |
| 9 | Loss on ignition at 550 °C | % | APHA 23rd Edition 2017, 2540 | 0.71 |
| 10 | Water soluble organics | % | APHA 23rd Edition 2017, 2540 E | 0.89 |
| 11 | Water soluble inorganics | % | APHA 23rd Edition 2017, 2540 E | 1.52 |
| 12 | Hexavalent chromium (using WLT) | mg L−1 | USEPA 1998, SW-846; 7196 | 101.11 |