Nature Group plc is a holding company engaged in providing reception and treatment services for oily and polluted waste-waters, the ownership and application of intellectual and proprietary rights related to such treatment, and the provision of reception and treatment plants for oily waste in onshore and offshore locations. The Company operates in three segments: the reception and treatment of waste liquids in onshore locations (maritime), the provision of offshore treatment modules (oil and gas), and the design and supply of equipment for polluted waste water-constant flow treatment solutions utilizing the Company�s intellectual property and certain patent rights (engineering and industry). During the year ended December 31, 2011, Nature International Slop Disposal BV acquired one collection barge, the Hydrovac six, with a capacity of 1,200 tons for the Rotterdam operations, and the MV Crystalwater a seagoing double-hull stainless steel chemical tanker with a capacity of 2,500 tons.