Los Angeles County Environmental Programs Division’s Methane Gas Hazard Mitigation Policy
Designated areas within LA County are subject to the Environmental Division’s Methane Gas Hazard Mitigation Policy. Methane Mitigation measures may be applicable due to high levels of subsurface methane gas. This is due to historical oil fields, landfills, or other contaminated Soil Hazards. Methane Gas Vapor Mitigation Systems are Designed and Constructed to prevent methane