Conclusions: At the municipal garden in Mandarituba, soil was contaminated with transformer oil due to an act of vandalism. COPEL, the utility company was responsible for the cleanup and restoration of the contaminated soils and the company decided to use AgroRemed BR CTBA specially customized for such applications. The site was excavated and treated as biopile with AgroRemed BR CTBA. Both TPH values and VOC’s were acceptable and the project is closed. The studies showed that AgroRemed BR CTBA was effective in the ratio of almost 1 gallon per ton of soil contaminated with transformer soils.