Soil washing of contaminated soils, including but not limited to hydrocarbon, heavy metals, inverts, oil field sludges, PCBs, SAFR remediation. Terra Wash(TM) is a proprietary soil washing process developed in 1991. Removal of particulate heavy metals that are mobile use our Arctic Miner(TM) gravimetric units. Terra Resources, Ltd. fabricates its own equipment for its own use and for sale. We use what we build. We worked on inverts remediation (contaminated shale cuttings from gas and oil wells including sludge pit remediation issues from tar sands in Alberta R&D in Canada in 2009.