Methane gas is present in the soil beneath much of Southern California. Areas prone to high methane gas concentration include former or active oil fields, wetlands, and landfills. Methane is colorless, odorless, and highly flammable gas and can form and explosive mixture in air at levels as low as 5 percent, especially within enclosed structures. To protect lives and property, public agencies have incorporated methane ordinances into their municipal codes:
City of Los Angeles Methane Ordinance
County of Los Angeles Gas Hazard Mitigation Policy
Is your property located in Los Angeles County? Check if you need Methane Mitigation here
Methane gas mitigation is the process of capturing naturally occurring methane in the ground before it enters a buildings through its foundation. A methane gas mitigation system is a group of features designed to capture the methane gas at the building's foundation and safety release it into the atmosphere above the building's roof.
