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Methane Test

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Methane Test

During a Methane Test, probes are placed at depths of 5, 10 and 20 feet below the lowest level of the proposed structure. Methane concentrations are measured, and the highest-level is reported to the Los Angeles Department of Building and Safety.

Based on the Methane Test results, the property will be classified as Methane Levels 1 through 5. Each Methane Level has corresponding Methane Mitigation Design requirements.


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