Guidance for Evaluating Landfill Gas Emissions From Closed or Abandoned Facilities (EPA/600/R-05/123a) September 2005
This document provides guidance to Superfund remedial project managers, on-scene coordinators, facility owners, and potentially responsible parties for conducting an air pathway analysis for landfill gas emissions under the Comprehensive Environmental Response, Compensation, and Liability Act; the Superfund Amendments and Reauthorization Act; and the Resource Conservation and Recovery Act.
The document provides procedures and a set of tools for evaluating landfill gas emissions to ambient air, subsurface vapor migration due to landfill gas pressure gradients, and subsurface vapor intrusion into buildings. The air pathway analysis is used to evaluate the inhalation risks to off-site receptors, as well as the hazards of both on-site and off-site methane explosions and landfill fires.
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