Landfill Gas Risk Assessment: Protecting Our Environment and Communities

Landfill Gas Risk Assessment: Protecting Our Environment and Communities

Landfills are a necessary part of our waste management infrastructure. However, they can also pose a risk to the environment and human health if not properly managed. Landfill gas (LFG) is a byproduct of decomposing waste in landfills. It is a mixture of gases, including methane, carbon dioxide, and volatile organic compounds (VOCs). LFG can migrate from landfills and pose a number of risks, including:

  • Fire and explosion hazards: LFG is flammable and can explode if it accumulates in confined spaces.
  • Air quality impacts: LFG can contribute to smog and other air quality problems.
  • Health risks: Exposure to LFG can cause a variety of health problems, including respiratory problems, headaches, and nausea.

Landfill gas risk assessment is an important process for identifying and mitigating the risks associated with LFG. A landfill gas risk assessment typically involves:

  • Site characterization: This involves collecting data on the landfill, such as its size, age, and waste types.
  • LFG monitoring: This involves installing wells and other monitoring devices to measure LFG levels in and around the landfill.
  • Risk modeling: This involves using computer models to predict how LFG will migrate from the landfill and what the potential impacts will be.

The results of a landfill gas risk assessment can be used to develop a landfill gas management plan. A landfill gas management plan typically includes measures to:

  • Control LFG migration: This can involve installing barriers around the landfill to prevent LFG from migrating off-site.
  • Collect and flare LFG: This involves collecting LFG from the landfill and burning it in a flare to destroy it.
  • Utilize LFG for energy: LFG can be used as a fuel source to generate electricity or heat.

Landfill gas risk assessment is an important tool for protecting our environment and communities from the risks associated with LFG. By properly assessing and managing LFG risks, we can ensure that landfills are operated safely and sustainably.

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Core Environmental Projects 2
Core Environmental Projects (formerly EPG Australia) is an Australian employee owned, engineering and design consultancy with a strong focus on landfill and con...
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