Grid to landfill / separation is an ideal separator between the fresh, clean soil and ground the old and possibly contaminated. These nets are used in connection with the removal of soil contaminated by industrial waste disposal or chemical leaks from buried tanks.

After removal of the contaminated soil to decompose the grid, and then a layer buries the fresh earth. If you later decide that you need to make the trench, the grid will be clearly separated the fresh, clean soil from the old, or contaminated.