Sperling Hansen Associates Inc. is an engineering consultancy specialized in providing solid waste management services to municipal and corporate clients. The company was formed in 1995 by Dr. Tony Sperling and Poul Hansen, past president of Highland Valley Copper, one of the largest copper mines in the world. Located in North Vancouver, British Columbia, Canada, the company presently has a team of qualified engineers and scientists with skills and experience to complete even the most demanding environmental management related projects including landfill design; site selection; operation and closure plans; transfer station design and operation plans; annual report preparation; leachate collection systems; wastewater treatment and pump stations; landfill fire extinguishments and risk management and training; landfill gas control and utilization; environmental assessment and monitoring studies; environmental geochemistry; geotechnical engineering and engineering design.