Large spills can be much more complex, in that the coverage of the spill and the damage can be much more extensive.
If the spill is on a patio or a hard surface then it is visible. Spraying the surface of the spill with S-200 Oilgone will immediately start the bioremediation process and render the fuel inert.
When fuel spills on soil or loose ground, it will sink into the ground. Depending on the consistency of the ground there may be a requirement to dig out the contaminated soil, and identify where the plume of the fuel has gone. The path of the fuel is visible because of the blue/green sheen and also the smell.
To treat the excavate soil, lay it out on plastic on an adjacent site, to a depth of 10cm. Spray the surface of the soil thoroughly with S-200 Oilgone, and leave for a week. After a week, turn over the soil and re-spray the surface of the soil.
It is recommended to take some soil samples and have them analysed by a laboratory to determine the initial fuel content of the soil – Total Petroleum Hydrocarbon (TPH) readings. Additional readings should be taken after two to three weeks, to confirm the bioremediation of the fuel.
Once the TPH readings have fallen to a sufficiently low level, the soil can be put back into the ground, and replanted.
The S-200 Oilgone® comparison table below illustrates how effective the product is at accelerating the bioremediation of the fuel