Landfill Gas Collection System Efficiencies (2007) A SWANA ARF Publication! 32nd Annual Landfill Gas Symposium Proceedings (2009) 31st Annual Landfill Gas Symposium Proceedings (2008) 30th Annual Landfill Gas Symposium Proceedings (2007) $75.00 29th Annual Landfill Gas Symposium Proceedings (2006) $75.00 28th Annual Landfill Gas Symposium Proceedings (2005) $75.00 Landfill Gas Generation & Modeling Manual of Practice (2005) $75.00 27th Annual Landfill Gas Symposium Proceedings (2004) $75.00 Landfill Gas Operation & Maintenance - Manual of Practice (1997) $85.00 26th Annual Landfill Gas Symposium Proceedings (2003) $75.00 Master Construction Specifications for Landfill Gas Conveyance Systems (Updated 1994 Version) Newly Revised Publication! 25th Annual Landfill Gas Symposium Proceeedings (2002) $75.00 A Compilation of Landfill Gas Field Practices and Procedures (1992) $45.00 24th Annual Landfill Gas Symposium Proceedings (2001) $75.00 Comparison of Models for Predicting Landfill Methane Recovery (1998) $40.00 23rd Annual Landfill Gas Symposium Proceedings (2000) $75.00 Landfill Gas Management Control, Recovery and Utilization - Volume I (1987) $85.00 22nd Annual Landfill Gas Symposium Proceedings (1999) $75.00 Landfill Gas Management Control, Recovery and Utilization - Volume II (1991) $85.00 All prices are in U.S. Dollars.