2. Materials and Methods
Experiments were conducted on different mixtures of alkaline wastes with soil. Incinerator ash was
collected from OKHLA plant of the Delhi Municipal Corporation and marble dust (Makrana) was collected
from Rajouri Garden, Delhi. The top soil samples were collected from two sites in I.I.T Delhi to obtain soil(A)
and soil(B). In the first part of the experiment the optimum water content was evaluated. The second part
deals with the effect of particle size on sequestration potential.