From the three main constituents of the environment – soil, water and air – the most complicated objects for bioremediation are soils, as they may adsorb (accumulate) and immobilize the toxic substances. Natural recreation of soils polluted with oil, heavy metals and other toxic agents is an extremely long process that can last for dozens of years. The main role in bioremediation processes of soil from oil and oil products belongs to natural microorganisms. Therefore methods of recultivation of the polluted soils are mainly based on use of pure or mixed cultures of oil-degrading microorganisms in combination with various substances that stimulate their activity.

Scientifically selected microorganisms in composition of “Ultrachist” biopreparation, well-storable preparation forms, easiness in use, availability of specialists that can professionally workout the oil-cleaning technology, immediate feedback – all these factors position “Ultrachist” as one of the best preparations for cleaning of soil from oil pollutions. Biopreparation can be used “in situ” (i.e. right on the pollution site) without removal of polluted soil. Such decision has an especial actuality for areas where it is impossible to remove the soil layers.