Newalta Corporation. The Group's principal activities are the recovery of resalable products from waste materials and the treatment and disposal of waste residues. The Group operates in two segments: Conventional and heavy oilfield and Industrial and oil recycling. The Conventional and heavy oilfield segment recovers and resells crude oil from oilfield wastes. The Industrial and oil recycling segment collects automotive and industrial waste lubricating oils in Western Canada, which are then processed into resaleable products. Conventional and heavy oilfield accounted for 68% of 2001 revenues and industrial and oil recycling, 32%.