This Technical Guidance Document will provide managers and oil sands industry representatives with guidelines to help resolve the optimal design and EPL parameters for their respective projects. This Technical Guidance Document is a living document and is meant to be flexible and responsive in its content. The first edition is based on knowledge gathered to date (2007) and will be updated as new information and research results become available. The second edition is expected in about 5 years, or in 2012, and should expand upon the current knowledge base, research results and recommendations for EPL design and management.