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 Abstract

 
Landfill Gas Emissions Model (LandGEM) Version 3.02 User's Guide cover.
Landfill Gas Emissions Model (LandGEM) Version 3.02 User's Guide (EPA/600/R-05/047) May 2005

The Landfill Gas Emissions Model (LandGEM) is an automated estimation tool with a Microsoft Excel interface. LandGEM can be used to estimate emission rates for total landfill gas, methane, carbon dioxide, nonmethane organic compounds, and individual air pollutants from municipal solid waste landfills.

LandGEM can use either site-specific data to estimate emissions or default parameters if no site-specific data are available. The model contains two sets of default parameters: Clean Air Act (CAA) defaults and inventory defaults. The CAA defaults are based on federal regulations for municipal solid waste landfills laid out by the CAA and can be used for determining whether a landfill is subject to the control requirements of these regulations. The inventory defaults are based on emission factors in EPA's Compilation of Air Pollutant Emission Factors and can be used to generate emission estimates for use in emission inventories and air permits in the absence of site-specific test data.

This guide provides step-by-step instructions for using this software application, as well as an appendix containing background information on the technical basis of LandGEM.

Contact

Susan Thorneloe


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