What are the EPA requirements for Landfill site LFG flare?

The U.S. Environmental Protection Agency (EPA) has established regulations and guidelines for the management and control of landfill gas (LFG) emissions, including requirements for LFG flaring. The specific requirements can vary depending on the size and type of the landfill, as well as the local regulatory framework.

Under the EPA's regulations, all landfills that generate LFG are required to install a gas collection and control system (GCCS) to capture and control the gas emissions. The GCCS typically includes a network of pipes and wells to collect the gas, as well as a blower or vacuum system to transport the gas to a central point for treatment or flaring.

For landfills that flare LFG, the EPA has established specific requirements to ensure that the flaring is done safely and effectively. These requirements include:

Minimum Destruction Efficiency (MDE): The MDE is the percentage of methane in the LFG that must be destroyed by the flare. The EPA requires a minimum MDE of 98% for most landfills, although some smaller landfills may be exempt from this requirement.

Continuous operation: The flare must be operated continuously, with no significant interruptions in operation.

Monitoring: The flare must be equipped with monitoring equipment to measure and record key parameters, such as temperature and flow rate. This data is typically reported to the local regulatory agency on a regular basis.

Maintenance: The flare must be regularly maintained and inspected to ensure it is operating properly and safely.

Record keeping: The landfill operator must maintain detailed records of the flare's operation and maintenance, including any repairs or maintenance performed.

These requirements are designed to ensure that LFG flaring is done safely and effectively, while minimizing the release of harmful greenhouse gases into the atmosphere. Landfill operators must comply with these requirements, as well as any additional regulations or guidelines established by their local regulatory agency.

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